Abrégé

Composite cement comprising a hydraulic cement, a calcium carbonate and at least 15 wt.-% zeolite with respect to the total composite cement weight, wherein the zeolite/calcium carbonate weight ratio ranges from 0.5 to 3.0 and neither slag nor fly ash is contained in an amount of > 1 wt.-%.

Classes IPC  ?

• C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
• C04B 14/04 - Matières riches en siliceSilicates
• C04B 28/04 - Ciments Portland
• C04B 28/06 - Ciments alumineux
• C04B 111/10 - Compositions caractérisées par l'absence d'un matériau spécifié

Abrégé

Method for upgrading biogas or syngas wherein a raw gas (1) comprising biogas or syngas or both is provided, a concrete waste material comprising carbonatable Ca and/or Mg phases (2) is provided, and the raw gas (1) is contacted with the concrete waste material comprising carbonatable Ca and/or Mg phases (2) in a reactor (3), wherein a contact time between the raw gas (1) and the concrete waste material (2) and a weight ratio of the raw gas (1) to the concrete waste material (2) are adjusted to provide an upgraded gas (4) with a carbon dioxide concentration reduced by a factor 2 with respect to the carbon dioxide concentration in the raw gas (1) and a carbonated concrete waste material (5).

Classes IPC  ?

• C10L 3/104 -

Abrégé

Composite cement comprising Portland cement, a calcium carbonate and a mechanochemically activated clay obtained by grinding a clay raw material which was mined from one or more natural clay deposits in a ball mill or roller mill at a temperature below 150 °C until the absorbance units of the OH peak at 3600 to 3700 cm-122 peak at 900 to 1000 cm-1 in an FTIR spectrum decrease by at least 20 %, as well as method for manufacturing the composite cement by blending Portland cement, calcium carbonate and the mechanochemically activated clay.

Classes IPC  ?

• C04B 14/10 - Argile
• C04B 28/04 - Ciments Portland

Abrégé

Method for manufacturing a composite cement comprising blending Portland cement, calcium carbonate and an aluminosilicate glass made by melting an aluminosilicate quarry dust in a furnace at a temperature from 1000 to 1800 °C with subsequent rapid quenching.

Classes IPC  ?

• C04B 28/04 - Ciments Portland
• C04B 20/04 - Traitement thermique
• C04B 20/02 - Traitement

Abrégé

Alkali activated binder comprising an aluminosilicate precursor and an activator, wherein the aluminosilicate precursor comprises a blend comprising from 10 to 50 wt.-% of a slag, which has an X-ray amorphous content below 50 wt.-% and a free lime content from 1 to 10 wt.-% with respect to the slag, and from 50 to 90 wt.- % of a natural pozzolan, which has an amorphous content of at least 30 wt.-% with respect to the natural pozzolan, and the activator has a modulus from 1.0 to 2.0 and is an alkali silicate or a mixture of an alkali silicate and an alkali hydroxide.

Classes IPC  ?

• C04B 28/00 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates
• C04B 18/14 - DéchetsRésidus provenant de procédés métallurgiques

Produits et services

Personnel recruitment; Consultancy and advisory services relating to personnel recruitment; Advertising services relating to the recruitment of personnel; Consultancy relating to the selection of personnel; Information services relating to jobs and career opportunities. Vocational skills training; Advanced training; Vocational retraining; Arranging professional workshop and training courses; Providing on-line information and news in the field of employment training; Arranging and conducting of seminars; Providing online training seminars.

Produits et services

Personnel recruitment; Consultancy and advisory services relating to personnel recruitment; Advertising services relating to the recruitment of personnel; Consultancy relating to the selection of personnel; Information services relating to jobs and career opportunities. Vocational skills training; Advanced training; Vocational retraining; Arranging professional workshop and training courses; Providing on-line information and news in the field of employment training; Arranging and conducting of seminars; Providing online training seminars.

Produits et services

Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. Retail services relating to building and construction materials; wholesale services relating to building and construction materials; business advisory services relating to building and construction materials. Building and construction services; repair and maintenance of buildings; repair and maintenance of roads; property development services [construction]; technical consultation services relating to construction materials, building materials and construction services. Transport and delivery of building and construction materials; storage services; waste collection; waste removal. Recycling of waste and trash; treatment of waste and trash; destruction of waste and trash; incineration of waste and trash. Chemical laboratories; chemistry services; engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Abrégé

22 concentration from 1 to 99 Vol.-% to provide the building structure, as well as method for building a building structure comprising manufacturing building materials adapted to harden by carbonation by mixing carbonated calcium rich waste material with at least one calcium silicate to provide a composite binder hardened by carbonation.

Classes IPC  ?

• C04B 18/06 - Résidus de combustion, p. ex. produits d'épuration des fumées, des émanations ou des gaz d'échappement
• C04B 18/08 - Cendres volantes
• C04B 18/167 - Matières recyclées, c.-à-d. déchets réutilisés dans la production des mêmes matières
• C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
• C04B 28/04 - Ciments Portland
• C04B 28/06 - Ciments alumineux

Abrégé

233 on a loss on ignition at 950 °C free basis with respect to the total clay raw material, forming lumps from the clay raw material with a surface to volume ratio in the range from 0.05 to 1.00 mm-1 and a size from 5 to 25 mm in the minimum extension, calcining the lumps at a temperature from 450 to 1100 °C under oxidizing conditions to provide calcined lumps, and cooling and grinding the calcined lumps to provide calcined clay, as well as use of the calcined clay to make composite cement and method for manufacturing composite cement or alkali activated binder or road binder by mixing the calcined clay with a hydraulic cement to make the composite cement or road binder or mixing the calcined clay with an activator to make the alkali activated binder.

Classes IPC  ?

• C04B 7/12 - Pouzzolanes naturelsCiments de pouzzolanes naturels
• C04B 20/04 - Traitement thermique
• C04B 28/04 - Ciments Portland
• C04B 28/06 - Ciments alumineux

Produits et services

Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. Retail services relating to building and construction materials; wholesale services relating to building and construction materials; professional business consultancy services relating to purchase and sale of building and construction materials. Building and construction services; repair and maintenance of buildings; repair and maintenance of roads; property development services [construction]. Transport and delivery of building and construction materials; storage services; waste collection; waste removal. Recycling of waste and trash; treatment of waste and trash; destruction of waste and trash; incineration of waste and trash. Chemical laboratories; technological consultation services relating to construction materials, building materials and construction services; chemistry services; engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. Retail services relating to building and construction materials; wholesale services relating to building and construction materials; professional business consultancy services relating to purchase and sale of building and construction materials. Building and construction services; repair and maintenance of buildings; repair and maintenance of roads; property development services [construction]. Transport and delivery of building and construction materials; storage services; waste collection; waste removal. Recycling of waste and trash; treatment of waste and trash; destruction of waste and trash; incineration of waste and trash. Chemical laboratories; technological consultation services relating to construction materials, building materials and construction services; chemistry services; engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

(1) Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. (2) Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). (3) Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. (1) Retail services relating to building and construction materials; wholesale services relating to building and construction materials; professional business consultancy services relating to purchase and sale of building and construction materials. (2) Building and construction services; repair and maintenance of buildings; repair and maintenance of roads; property development services [construction]. (3) Transport and delivery of building and construction materials; storage services; waste collection; waste removal. (4) Recycling of waste and trash; treatment of waste and trash; destruction of waste and trash; incineration of waste and trash. (5) Chemical laboratories; technological consultation services relating to construction materials, building materials and construction services; chemistry services; engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

(1) Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. (2) Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). (3) Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. (1) Retail services relating to building and construction materials; wholesale services relating to building and construction materials; professional business consultancy services relating to purchase and sale of building and construction materials. (2) Building and construction services; repair and maintenance of buildings; repair and maintenance of roads; property development services [construction]. (3) Transport and delivery of building and construction materials; storage services; waste collection; waste removal. (4) Recycling of waste and trash; treatment of waste and trash; destruction of waste and trash; incineration of waste and trash. (5) Chemical laboratories; technological consultation services relating to construction materials, building materials and construction services; chemistry services; engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

(1) Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. (2) Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). (3) Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. (1) Retail services relating to building and construction materials; wholesale services relating to building and construction materials; business advisory services relating to building and construction materials. (2) Building and construction services; repair and maintenance of buildings; repair and maintenance of roads; property development services [construction]; technical consultation services relating to construction materials, building materials and construction services. (3) Transport and delivery of building and construction materials; storage services; waste collection; waste removal. (4) Recycling of waste and trash; treatment of waste and trash; destruction of waste and trash; incineration of waste and trash. (5) Chemical laboratories; chemistry services; engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Abrégé

Alkali activated binder comprising carbonated recycled concrete paste as silica and alumina source material and an alkali silicate with a modulus of up to 2.5 as activator, method for manufacturing it comprising the steps providing recycled concrete paste from waste concrete, carbonating the recycled concrete paste to a carbonation degree of at least 5 % by weight of the carbonatable components, and mixing the carbonated recycled concrete paste as silica and alumina source material with an alkali silicate with a modulus of up to 2.5 as activator to provide the alkali activated binder, as well as use of the binder for manufacturing building materials.

Classes IPC  ?

• C04B 12/00 - Ciments non prévus par les groupes
• C04B 18/167 - Matières recyclées, c.-à-d. déchets réutilisés dans la production des mêmes matières
• C04B 28/26 - Silicates de métaux alcalins

Classes IPC  ?

• C04B 24/12 - Composés contenant de l'azote
• C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium

Abrégé

Method for recycling of and use of an amine reclaimer waste composition obtained during reclaiming of an amine scrubbing solution used for extracting carbon dioxide from exhaust gas as a grinding aid for a binder component or as an admixture for enhancing the strength development and/or workability of a binder, as well as method for manufacturing a binder and use of the obtainable binder comprising an amine reclaimer waste composition for manufacturing building materials.

Classes IPC  ?

• C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
• C04B 24/12 - Composés contenant de l'azote

Classes IPC  ?

• C04B 7/47 - Refroidissement
• F27B 7/36 - Aménagement des dispositifs d'alimentation en air ou gaz
• F27D 7/02 - Alimentation en vapeur d'eau, en gaz ou en liquides

Abrégé

Method for manufacturing cement clinker comprising the steps: providing a raw meal; preheating the raw meal in a preheater (1); calcining the preheated raw meal in a calciner (2); burning the preheated, calcined raw meal in a kiln (3) to obtain the cement clinker (c); cooling the cement clinker (c) in a clinker cooler (4); separating an off-gas from the preheater (1) into a carbon dioxide gas stream (f) and a by-product gas stream (e) in a CO2 purification unit (5), wherein the by- product gas stream (e) is used as cooling medium (a) in the clinker cooler (4) and/or as replacement of air in a kiln burner.

Classes IPC  ?

• F27B 7/36 - Aménagement des dispositifs d'alimentation en air ou gaz
• F27D 7/02 - Alimentation en vapeur d'eau, en gaz ou en liquides
• F27D 17/00 - Dispositions pour l'utilisation de la chaleur perdueDispositions pour l'utilisation ou pour l'élimination des gaz résiduaires
• C04B 7/47 - Refroidissement

Abrégé

Method for manufacturing cement clinker comprising the steps: preheating a raw meal (rm) in a first preheater (1 ) using kiln off-gas to provide a partially preheated raw meal, preheating the partially preheated raw meal in a second preheater (2) to provide preheated raw meal, precalcination of the pre-heated raw meal in a calciner (4) being a circulating fluidized bed reactor by burning fuel (f) with oxygen (o) and recirculated calciner exhaust gas instead of air to provide a precalcined raw meal wherein at least 2 mbar overpressure are adjusted in the calciner (4), transferring the precalcined raw meal to a rotary kiln (3) for sintering to provide the cement clinker (c), cooling the cement clinker (c), and capturing carbon dioxide (CO2) from a calciner exhaust gas in a carbon dioxide purification unit (6).

Classes IPC  ?

• C04B 7/36 - Fabrication des ciments hydrauliques en général
• C04B 7/43 - Traitement thermique, p. ex. précalcination, cuisson, fusionRefroidissement
• F27B 7/20 - Parties constitutives, accessoires ou équipement spécialement adaptés aux fours à tambours rotatifs

Abrégé

Method for manufacturing cement clinker comprising the steps: preheating a raw meal (rm) in a first preheater (1 ) using kiln off-gas to provide a partially preheated raw meal, preheating the partially preheated raw meal in a second preheater (2) to provide preheated raw meal, precalcination of the pre-heated raw meal in a calciner (4) being a circulating fluidized bed reactor by burning fuel (f) with oxygen (o) and recirculated calciner exhaust gas instead of air to provide a precalcined raw meal wherein at least 2 mbar overpressure are adjusted in the calciner (4), transferring the precalcined raw meal to a rotary kiln (3) for sintering to provide the cement clinker (c), cooling the cement clinker (c), and capturing carbon dioxide (CO2) from a calciner exhaust gas in a carbon dioxide purification unit (6).

Classes IPC  ?

• F27B 7/20 - Parties constitutives, accessoires ou équipement spécialement adaptés aux fours à tambours rotatifs
• C04B 7/36 - Fabrication des ciments hydrauliques en général
• C04B 7/43 - Traitement thermique, p. ex. précalcination, cuisson, fusionRefroidissement

Abrégé

Composite cement containing from 5 to 70 wt.-% cement clinker and from 30 to 95 wt.-% mixture of carbonated or not carbonated recycled cement paste and calcined clay with a weight ratio carbonated or not carbonated recycled cement paste to calcined clay from 4 to 0.1, method for manufacturing it as well as method for manufacturing hydraulically hardening building materials using the composite cement or blending from 5 to 70 wt.-% ground cement clinker with from 30 to 95 wt.-% of a mixture of carbonated or not carbonated recycled cement paste and calcined clay with a weight ratio carbonated or not carbonated recycled cement paste to calcined clay from 4 to 0.1 during mixing.

Classes IPC  ?

• C04B 18/16 - DéchetsRésidus provenant de l'industrie du bâtiment ou de l'industrie de la céramique
• C04B 28/04 - Ciments Portland

Abrégé

Composite cement containing from 5 to 70 wt.-% cement clinker and from 30 to 95 wt.-% mixture of carbonated or not carbonated recycled cement paste and calcined clay with a weight ratio carbonated or not carbonated recycled cement paste to calcined clay from 4 to 0.1, method for manufacturing it as well as method for manufacturing hydraulically hardening building materials using the composite cement or blending from 5 to 70 wt.-% ground cement clinker with from 30 to 95 wt.-% of a mixture of carbonated or not carbonated recycled cement paste and calcined clay with a weight ratio carbonated or not carbonated recycled cement paste to calcined clay from 4 to 0.1 during mixing.

Classes IPC  ?

• C04B 18/16 - DéchetsRésidus provenant de l'industrie du bâtiment ou de l'industrie de la céramique
• C04B 28/04 - Ciments Portland

Produits et services

Technical measuring and testing of the hardening of concrete and other hydraulic binders; calibration of instruments for measuring and testing of the hardening of concrete and other hydraulic binders; calibration services relating to analytical apparatus for measuring and testing of the hardening of concrete and other hydraulic binders; calibration of construction testing equipment for measuring and testing of the hardening of concrete and other hydraulic binders; creation of control programs for automated measurement, assembly, adjustment, and related visualisation of measurements and testing of the hardening of concrete and other hydraulic binders.

Produits et services

Chemicals and chemical preparations for use in construction; Chemical additives; Chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; Concrete; Cement; Aggregate materials for use in concrete; Aggregates; Asphalt. Retail services relating to building and construction materials; Wholesale services relating to building and construction materials; Professional business consultancy services relating to purchase and sale of building and construction materials. Building and construction services; Repair and maintenance of buildings; Repair and maintenance of roads; Property development services [construction]. Transport and delivery of building and construction materials; Storage services; Waste collection; Waste removal. Recycling of waste and trash; Treatment of waste and trash; Destruction of waste and trash; Incineration of waste and trash. Chemical laboratories; Technological consultation services relating to construction materials, building materials and construction services; Chemistry services; Engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Classes IPC  ?

• C04B 7/24 - Ciments produits à partir de schistes bitumineux, de déchets ou de résidus autres que des scories
• C04B 28/06 - Ciments alumineux
• C04B 103/00 - Fonctions ou propriétés de l'ingrédient actif
• C04B 111/00 - Fonction, propriétés ou utilisation des mortiers, du béton ou de la pierre artificielle
• C04B 111/60 - Revêtements de sol

Abrégé

Method for producing a supplementary cementitious material from concrete waste and similar materials, supplementary cementitious material obtainable by the method, use of the supplementary cementitious material for making hydraulic building materials and alkali activated binders, method for manufacturing alkali activated binders, composite binders and alkali activated binders comprising the supplementary cementitious material, and use of the composite binder for making hydraulic building materials.

Classes IPC  ?

• C04B 7/24 - Ciments produits à partir de schistes bitumineux, de déchets ou de résidus autres que des scories
• C04B 28/06 - Ciments alumineux
• C04B 103/00 - Fonctions ou propriétés de l'ingrédient actif
• C04B 111/60 - Revêtements de sol
• C04B 111/00 - Fonction, propriétés ou utilisation des mortiers, du béton ou de la pierre artificielle

Abrégé

Carbon capture method for an industrial plant off-gas wherein mercury and/or other heavy metals are removed from the off-gas by contacting the off-gas with an at least partially hydrated cement paste as sorbent in a scrubber before a concentration step of the off-gas to concentrate CO2, wherein the at least partially hydrated cement paste is simultaneously carbonated and loaded with the mercury and/or other heavy metals during contacting with the off-gas and is used as supplementary cementitious material in composite cement as well as use of at least partially hydrated cement paste as sorbent in a scrubber before a concentration step of the off-gas to concentrate CO2.

Classes IPC  ?

• B01D 53/62 - Oxydes de carbone
• B01D 53/64 - Métaux lourds ou leurs composés, p. ex. mercure
• B01D 53/80 - Procédés en phase semi-solide, c.-à-d. au moyen de boues
• C04B 20/02 - Traitement
• C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium

Abrégé

222.

Classes IPC  ?

• B01D 53/62 - Oxydes de carbone
• B01D 53/64 - Métaux lourds ou leurs composés, p. ex. mercure
• B01D 53/80 - Procédés en phase semi-solide, c.-à-d. au moyen de boues
• C04B 20/02 - Traitement
• C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium

Abrégé

Method for improving the reactivity of carbonated recycled concrete paste comprising sulfur in an oxidation state lower than6+as supplementary cementitious material comprising the steps: - providing a starting material comprising recycled concrete paste, - carbonation of the starting material with carbon dioxide contained in an exhaust gas containing from 2 to 15 Vol.-% oxygen and/or from 35 to 400 vppm sulfur dioxide to provide carbonated recycled concrete paste, and - oxidation of the carbonated recycled concrete paste simultaneously or subsequently to the carbonation with an added oxidizing agent to provide the supplementary cementitious material, and method for making composite cements.

Classes IPC  ?

• B01D 53/62 - Oxydes de carbone
• C04B 20/02 - Traitement
• C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
• C04B 28/06 - Ciments alumineux

Abrégé

Method for simultaneously drying and carbonating a mineral waste material comprising carbonatable calcium and/or magnesium compounds and/or silicate, aluminate or silicate-aluminate phases in a spray dryer, wherein a starting material slurry is provided comprising the mineral waste material in the form of particles with a D90 ≤ 500 μm and at least 30 wt.-% water, a hot gas is provided comprising at least 4 VoL-% CO2 and fed into the spray dryer, the starting material slurry is sprayed into the hot gas in the spray dryer wherein a temperature of ≥ 100 °C and a relative humidity of < 50 % are adjusted in the spray dryer, the starting material slurry is transformed into evaporated water and a dry, carbonated product comprising calcium carbonate and/or one of silica gel or alumina gel or silica-alumina gel, and the dry, carbonated product is separated from the gas and evaporated water.

Classes IPC  ?

• B01D 53/62 - Oxydes de carbone

Abrégé

90 22 and fed into the spray dryer, the starting material slurry is sprayed into the hot gas in the spray dryer wherein a temperature of ≥ 100 °C and a relative humidity of < 50 % are adjusted in the spray dryer, the starting material slurry is transformed into evaporated water and a dry, carbonated product comprising calcium carbonate and/or one of silica gel or alumina gel or silica-alumina gel, and the dry, carbonated product is separated from the gas and evaporated water.

Classes IPC  ?

• B01D 53/62 - Oxydes de carbone
• C04B 18/00 - Emploi de matières agglomérées, de résidus ou de déchets comme charges pour mortiers, béton ou pierre artificielleTraitement de matières agglomérées, de résidus ou de déchets, spécialement adapté pour renforcer leurs propriétés de charge, dans les mortiers, le béton ou la pierre artificielle

Abrégé

Method for improving the reactivity of carbonated recycled concrete paste comprising sulfur in an oxidation state lower than 6+ as supplementary cementitious material comprising the steps: - providing a starting material comprising recycled concrete paste, - carbonation of the starting material with carbon dioxide contained in an exhaust gas containing from 2 to 15 Vol.-% oxygen and/or from 35 to 400 vppm sulfur dioxide to provide carbonated recycled concrete paste, and - oxidation of the carbonated recycled concrete paste simultaneously or subsequently to the carbonation with an added oxidizing agent to provide the supplementary cementitious material, and method for making composite cements.

Classes IPC  ?

• B01D 53/62 - Oxydes de carbone
• C04B 18/00 - Emploi de matières agglomérées, de résidus ou de déchets comme charges pour mortiers, béton ou pierre artificielleTraitement de matières agglomérées, de résidus ou de déchets, spécialement adapté pour renforcer leurs propriétés de charge, dans les mortiers, le béton ou la pierre artificielle
• C04B 20/02 - Traitement
• C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
• C04B 28/06 - Ciments alumineux

Produits et services

Building materials and elements, not of metal; natural and artificial building raw materials (except chemical compounds, base materials or substances), not of metal; concrete; cement and other hydraulic inorganic binders; aggregates for concrete; aggregates; recycled concrete waste; recycled cement; recycled aggregate.

Produits et services

Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. Chemical laboratories; technical consultation services relating to construction materials, building materials and construction services; chemistry services; engineering services; it services (software development, programming and implementation, hosting services and software as a service [saas] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. Retail services relating to building and construction materials; wholesale services relating to building and construction materials; professional business consultancy services relating to purchase and sale of building and construction materials. Building and construction services; repair and maintenance of buildings; repair and maintenance of roads; property development services [construction]. Transport and delivery of building and construction materials; storage services; waste collection; waste removal. Recycling of waste and trash; treatment of waste and trash; destruction of waste and trash; incineration of waste and trash. Chemical laboratories; technological consultation services relating to construction materials, building materials and construction services; chemistry services; engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. Retail services relating to building and construction materials; wholesale services relating to building and construction materials; professional business consultancy services relating to purchase and sale of building and construction materials. Building and construction services; repair and maintenance of buildings; repair and maintenance of roads; property development services [construction]. Transport and delivery of building and construction materials; storage services; waste collection; waste removal. Recycling of waste and trash; treatment of waste and trash; destruction of waste and trash; incineration of waste and trash. Chemical laboratories; technological consultation services relating to construction materials, building materials and construction services; chemistry services; engineering services; it services (software development, programming and implementation, hosting services and software as a service [saas] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

(1) Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. (2) Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). (3) Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. (1) Retail services relating to building and construction materials; wholesale services relating to building and construction materials; professional business consultancy services relating to purchase and sale of building and construction materials. (2) Building and construction services; repair and maintenance of buildings; repair and maintenance of roads; property development services [construction]. (3) Transport and delivery of building and construction materials; storage services; waste collection; waste removal. (4) Recycling of waste and trash; treatment of waste and trash; destruction of waste and trash; incineration of waste and trash. (5) Chemical laboratories; technological consultation services relating to construction materials, building materials and construction services; chemistry services; engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

(1) Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. (2) Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). (3) Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. (1) Chemical laboratories; technical consultation services relating to construction materials, building materials and construction services; chemistry services; engineering services; it services (software development, programming and implementation, hosting services and software as a service [saas] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

(1) Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. (2) Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). (3) Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. (1) Retail services relating to building and construction materials; wholesale services relating to building and construction materials; professional business consultancy services relating to purchase and sale of building and construction materials. (2) Building and construction services; repair and maintenance of buildings; repair and maintenance of roads; property development services [construction]. (3) Transport and delivery of building and construction materials; storage services; waste collection; waste removal. (4) Recycling of waste and trash; treatment of waste and trash; destruction of waste and trash; incineration of waste and trash. (5) Chemical laboratories; technological consultation services relating to construction materials, building materials and construction services; chemistry services; engineering services; it services (software development, programming and implementation, hosting services and software as a service [saas] and rental of software, data duplication and data conversion services, data coding services).

Abrégé

Method and device for the combined manufacturing of cement clinker (c) and calcined clay (d), wherein the cement clinker (c) is produced in a cement manufacturing line (10) by the steps: providing a cement raw meal (a), preheating and precalcining the cement raw meal (c) in a preheater and calciner section (11), sintering the precalcined cement raw meal in a rotary kiln (15) to provide the cement clinker (c) and cooling the cement clinker (c) with a counter current air stream in a clinker cooler (17) providing hot air, and wherein the calcined clay (d) is produced in a clay manufacturing line (20) by the steps: providing a clay raw material (b), preheating the clay raw material (b) in a heat exchange section (21), and calcining the preheated clay raw material suspended in gas in a flash calciner (23) to provide the calcined clay (d), wherein the hot air from the cooler (17) is divided into at least two streams, a first combustion air stream used in sintering the cement raw meal and a second combustion air stream used in calcining the clay raw material, and wherein exhaust gas from calcining clay raw material is fed into the calcination (13) of the preheated cement raw meal.

Classes IPC  ?

• C04B 7/47 - Refroidissement

Produits et services

Chemicals and chemical preparations for use in construction; Chemical additives; Chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; Concrete; Cement; Aggregate materials for use in concrete; Aggregates; Asphalt. Retail services relating to building and construction materials; Wholesale services relating to building and construction materials; Professional business consultancy services relating to purchase and sale of building and construction materials. Building and construction services; Repair and maintenance of buildings; Repair and maintenance of roads; Property development services [construction]. Transport and delivery of building and construction materials; Storage services; Waste collection; Waste removal. Recycling of waste and trash; Treatment of waste and trash; Destruction of waste and trash; Incineration of waste and trash. Chemical laboratories; Technological consultation services relating to construction materials, building materials and construction services; Chemistry services; Engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

Chemicals and chemical preparations for use in construction; Chemical additives; Chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; Concrete; Cement; Aggregate materials for use in concrete; Aggregates; Asphalt. Retail services relating to building and construction materials; Wholesale services relating to building and construction materials; Professional business consultancy services relating to purchase and sale of building and construction materials. Building and construction services; Repair and maintenance of buildings; Repair and maintenance of roads; Property development services [construction]. Transport and delivery of building and construction materials; Storage services; Waste collection; Waste removal. Recycling of waste and trash; Treatment of waste and trash; Destruction of waste and trash; Incineration of waste and trash. Chemical laboratories; Technological consultation services relating to construction materials, building materials and construction services; Chemistry services; Engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

Technical measuring and testing of the hardening of concrete and other hydraulic binders; Calibration of instruments for measuring and testing of the hardening of concrete and other hydraulic binders; Calibration services relating to analytical apparatus for measuring and testing of the hardening of concrete and other hydraulic binders; Calibration of construction testing equipment for measuring and testing of the hardening of concrete and other hydraulic binders; Creation of control programs for automated measurement, assembly, adjustment, and related visualisation of measurements and testing of the hardening of concrete and other hydraulic binders.

Produits et services

Chemicals and chemical preparations for use in construction; Chemical additives; Chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; Concrete; Cement; Aggregate materials for use in concrete; Aggregates; Asphalt. Retail services relating to building and construction materials; Wholesale services relating to building and construction materials; Professional business consultancy services relating to purchase and sale of building and construction materials. Building and construction services; Repair and maintenance of buildings; Repair and maintenance of roads; Property development services [construction].. Transport and delivery of building and construction materials; Storage services; Waste collection; Waste removal. Recycling of waste and trash; Treatment of waste and trash; Destruction of waste and trash; Incineration of waste and trash. Chemical laboratories; Technological consultation services relating to construction materials, building materials and construction services; Chemistry services; Engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

Retail services relating to building and construction materials; wholesale services relating to building and construction materials; business advisory services relating to building and construction materials. Building and construction services; repair and maintenance of buildings; repair and maintenance of roads; property development services [construction]. Transport and delivery of building and construction materials; storage services; waste collection; removal of waste. Recycling of waste and trash; treatment of waste and trash; destruction of waste and trash; incineration of waste and trash.

Abrégé

Method for producing a pozzolanic product by hydrothermal treatment of a feedstock comprising silicate, aluminate, and/or aluminosilicate materials, and a source of calcium ions, wherein the feedstock has a molar ratio of Ca:(Si+Al) from 0.4 to 1.2 and a maximum content of hydrated cement paste of 10 wt.-%, to provide a hydrate product, and subsequent carbonation of the hydrate product to provide a pozzolanic product comprising calcium carbonate and silica gel, alumina gel and/or silica-alumina gel; pozzolanic product obtainable by the method; use of the pozzolanic product as supplementary cementitious material; method for manufacturing a composite cement and a composite cement comprising the pozzolanic product and an hydraulic cement.

Classes IPC  ?

• C04B 20/02 - Traitement

Abrégé

Method for manufacturing a supplementary cementitious material with improved reactivity from waste concrete, wherein a starting material comprising waste concrete is provided, subjected to carbonation to provide a carbonated product having a carbonation degree of at least 50 %, and the carbonated product is heat treated at a temperature ranging from 120 to 350 °C until constant mass to provide the supplementary cementitious material with improved reactivity, the obtained supplementary cementitious material, a method using it as well as its use to manufacture composite cements and composite cements comprising it.

Classes IPC  ?

• C04B 14/26 - Carbonates
• C04B 20/02 - Traitement
• C04B 28/04 - Ciments Portland
• C04B 28/06 - Ciments alumineux

Abrégé

Method for manufacturing supplementary cementitious material comprising the steps: - providing a starting material containing clay and fly ash or a mixture of fly ash and bottom ash, wherein at least 70 wt.-% of the starting material are clay, fly ash and bottom ash, - homogenization of the starting material - thermal treatment of the starting material at a temperature from 700 to 1000 °C to provide a heat treated material, - cooling the heat treated material to provide a cooled product, and - grinding the cooled product to provide the supplementary cementitious material, and use of the supplementary cementitious material obtainable through the method for manufacturing hydraulic building materials, as well as supplementary cementitious material obtained.

Classes IPC  ?

• C04B 7/26 - Ciments produits à partir de schistes bitumineux, de déchets ou de résidus autres que des scories à partir de matières premières contenant des cendres folles
• C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
• C04B 28/04 - Ciments Portland
• C04B 28/06 - Ciments alumineux

Abrégé

Method for separating hydrated concrete paste from aggregate comprising the steps of providing a feedstock comprising waste concrete with a D10 ? 0.1 mm and a D90 ? 100 mm, passing the feedstock, a water containing liquid and carbon dioxide into a fragmentation vessel, where the wet feedstock is subjected to electric-pulse fragmentation, withdrawing fragmented solid material from the fragmentation vessel, separating the fragmented solid material from admixed liquid phase, separating the fragmented solid material into a fine fraction with a maximum particle size of 250 µm to provide the carbonated recycled concrete paste and a coarse fraction, recycling the coarse fraction into the fragmentation vessel and/or discharging the coarse fraction as clean aggregate, use of the recycled concrete paste obtained thereby as supplementary cementitious material or filler.

Classes IPC  ?

• C04B 20/02 - Traitement

Produits et services

(1) Retail services for building and construction materials; Wholesale services for building and construction materials; Business advisory services in the field of building and construction materials. (2) Building construction services; Building construction contracting services; Construction of buildings; Real estate development; Development of residential and commercial properties. (3) Transport and delivery of building and construction materials via truck, ship, and rail; Physical storage of building and construction materials awaiting transport by truck, ship and rail; collection of commercial waste; transport and storage of waste. (4) Recycling of waste and trash; Treatment of building construction waste; Destruction of waste and trash; Incineration of waste and trash.

Abrégé

Method for sequestering carbon dioxide comprising providing a starting material comprising calcium ions, sulfate and/or sulfite ions, and alkali metal ions with a molar ratio ? Alk : ?SO3 > 2.00, reacting the starting material with carbon dioxide at a pressure in the range from ambient up to 3.5 bar overpressure and/or a temperature in the range from 10 to 145 °C to obtain a carbonated product comprising calcium carbonate and alkali sulfate as well as use of the obtained product as set regulator or accelerator for cement and/or as minor or main cement component.

Classes IPC  ?

• C04B 20/02 - Traitement

Produits et services

Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. Chemical laboratories; technological consultation services relating to construction materials, building materials and construction services; chemistry services; engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Abrégé

Composition comprising a polyphosphate, an amine and an inorganic sulfate compound for enhancing the workability and/or the strength development of hydraulic binders comprising a cement and a high water demand supplementary cementitious material and/or a high water demand filler.

Classes IPC  ?

• C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
• C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p. ex. leur aptitude à prendre ou à durcir

Abrégé

Method for producing a supplementary cementitious material from concrete waste and similar materials comprising the steps of i) providing a starting material comprising hydrated cement and aggregate comprising silicate and/or alumino-silicate, ii) hydrothermal treatment of the starting material provided in step i) to obtain a hydrothermally activated material, and iii) carbonation of the hydrothermally activated material of step ii) to provide the supplementary cementitious material, as well as supplementary cementitious material obtainable by the method, hydraulic binder comprising the supplementary cementitious material and use of the supplementary cementitious material and of the hydraulic binder for making hydraulic building materials.

Classes IPC  ?

• C04B 14/26 - Carbonates
• C04B 18/16 - DéchetsRésidus provenant de l'industrie du bâtiment ou de l'industrie de la céramique
• C04B 22/10 - Acides ou leurs sels comportant du carbone dans la partie anionique, p. ex. carbonates
• C04B 28/04 - Ciments Portland
• C04B 28/06 - Ciments alumineux

Produits et services

Chemicals and chemical preparations for use in construction; Chemical additives; Chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; Concrete; Cement; Aggregate materials for use in concrete; Aggregates; Asphalt. Retail services relating to building and construction materials; Wholesale services relating to building and construction materials; Professional business consultancy services relating to purchase and sale of building and construction materials. Building and construction services; Repair and maintenance of buildings; Repair and maintenance of roads; Property development services [construction]. Transport and delivery of building and construction materials; Storage services; Waste collection; Waste removal. Recycling of waste and trash; Treatment of waste and trash; Destruction of waste and trash; Incineration of waste and trash. Chemical laboratories; Technical consultation services relating to construction materials, building materials and construction services; Chemistry services; Engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

(1) Chemicals and chemical preparations for use in construction; chemical additives; chemicals being additives for cement, concrete and other cementitious construction materials. (2) Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). (3) Building and construction materials and elements, not of metal; concrete; cement; aggregate materials for use in concrete; aggregates; asphalt. (1) Chemical laboratories; technological consultation services relating to construction materials, building materials and construction services; chemistry services; engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Abrégé

Composite cement with improved reactivity and improved fresh properties com- prising a hydraulic cement or a caustic activator, a hyaloclastite as pozzolan containing 45 - 62 wt.-% Si02, 10 - 20 wt.% A1203, 6 - 15 wt.-% Fe203, 7 - 15 wt.-% CaO, 7 - 15 wt.-% Mg0, 1.5 - 4 wt.% (K20 + Na20), and having 0 - 5 wt.-% loss on ignition at 950 C and 50 wt.-% X-ray amorphous phase, and a carbonate filler with an at least bimodal particle size distribution adapted to provide a slope n in a Rosin-Rammler-Sperling-Bennett distribution curve of 1.15 in a particle size distribution of the composite cement; a method for manufacturing it, as well as use of a composition comprising the hyaloclastite as pozzolan and the carbonate filler as mineral addition for composite cements comprising a hydraulic cement or a caustic activator.

Classes IPC  ?

• C04B 7/12 - Pouzzolanes naturelsCiments de pouzzolanes naturels
• C04B 7/13 - Leurs mélanges avec des matières inorganiques cimentaires, p. ex. ciments Portland
• C04B 14/26 - Carbonates
• C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium

Produits et services

Retail services relating to building and construction materials; Wholesale services relating to building and construction materials; Professional business consultancy services relating to purchase and sale of building and construction materials. Building and construction services; Repair and maintenance of buildings; Repair and maintenance of roads; Property development services [construction]. Transport and delivery of building and construction materials; Storage services; Waste collection; Waste removal. Recycling of waste and trash; Treatment of waste and trash; Destruction of waste and trash; Incineration of waste and trash.

Abrégé

Method for converting a starting material containing at least 40 wt.-% of calcium silicon (hydr)oxide phases and calcium aluminium (hydr)oxide phases into an SiO2 rich SCM and a calcium carbonate additive comprising the steps - providing the starting material with a D90 of ? 1 mm - mixing the starting material with water or adjusting the water content to provide a starting material slurry having a solid:liquid weight ratio from 2:1 to 1:100 - passing the starting material slurry together with carbon dioxide into a gravity separation reactor - subjecting the starting material slurry and carbon dioxide to centrifugal motion inside the reactor and - removing a heavy slurry of higher density particles comprising the calcium carbonate additive formed by reaction of carbon dioxide with calcium ions dissolved or leached from the starting material from a first outlet of the reactor, removing a light slurry of lower density particles comprising the undissolved SiO2 rich remains of the starting material from a second outlet of the reactor, and removing liquid at a third outlet of the reactor, and gravity separation reactor comprising an inlet (11) for a slurry (a) and an inlet (12) for carbon dioxide (b) or an inlet (11) for a slurry (c) premixed with carbon dioxide, a reaction chamber (13) adapted to subject the introduced slurry (a, c) to centrifugal motion, a first outlet (14) for a heavy slurry (d) of higher density particles, a second outlet (15) for a light slurry (e) of lower density particles and a third outlet (16) for liquid (f).

Classes IPC  ?

• B03B 5/32 - Lavage de matériaux en grains, en poudre ou en grumeauxSéparation par voie humide en utilisant des plongeants et flottants avec emploi de liquides denses ou de suspensions en se servant de la force centrifuge
• B04B 1/10 - Centrifugeurs à tambours rotatifs à parois pleines pour la séparation de mélanges essentiellement liquides contenant ou non des particules solides à orifices d'évacuation dans le plan du plus grand diamètre du tambour
• C04B 18/06 - Résidus de combustion, p. ex. produits d'épuration des fumées, des émanations ou des gaz d'échappement
• C04B 20/02 - Traitement
• C04B 22/06 - OxydesHydroxydes

Produits et services

Chemicals and chemical preparations for use in construction; Chemical additives; Chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; Concrete; Cement; Aggregate materials for use in concrete; Aggregates; Asphalt. Chemical laboratories; Technical consultation services relating to construction materials, building materials and construction services; Chemistry services; Engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

Chemicals and chemical preparations for use in construction; Chemical additives; Chemicals being additives for cement, concrete and other cementitious construction materials. Computer software (application software, artificial intelligence and machine learning software, software for monitoring, analysing, controlling and running physical world operations, system and system support software, and firmware, virtual and augmented reality software, web applications and server software). Building and construction materials and elements, not of metal; Concrete; Cement; Aggregate materials for use in concrete; Aggregates; Asphalt. Chemical laboratories; Technical consultation services relating to construction materials, building materials and construction services; Chemistry services; Engineering services; IT services (software development, programming and implementation, hosting services and software as a service [SaaS] and rental of software, data duplication and data conversion services, data coding services).

Produits et services

(1) Concrete; ready mixed concrete; construction and building materials made of concrete; concrete pipe; cement; clinker; asphalt; aggregates.

Produits et services

Building material, not of metal; cement; dry ready to use cement mixtures; concrete; ready-mixed concrete; dry ready to use concrete mixtures.

Abrégé

The present invention relates to a supplementary cementitious material, a method for producing the supplementary cementitious material, the use of the supplementary cementitious material, a binder comprising the supplementary cementitious material, a method for the preparation of the binder and use of the binder to make hydraulic building materials like concrete.

Classes IPC  ?

• C04B 14/26 - Carbonates
• C04B 20/02 - Traitement

Abrégé

Method for manufacturing concrete parts comprising the steps: - providing a hydraulic cement and aggregate - mixing the cement and aggregate with water to provide a fresh concrete - introducing CO2 into the fresh concrete in an amount resulting in a carbonation degree of more than 0.5 wt.-% and less than 5 wt.-% of the total carbonatable Ca and Mg phases which are calculated as 0.785 × (CaO - 0.56 CaCO3 - 0.7 SO3 ) + 1.091 × (MgO - 0.479 MgCO3) for a first carbonation step - curing the fresh concrete until at least 15 wt.-% of the calcium aluminates are hydrated to provide a green concrete part - subjecting the green concrete part to CO2 in an amount resulting in a carbonation degree of more than 10 wt.-% of the total carbonatable Ca and Mg phases which are calculated as 0.785 × (CaO - 0.56 CaCO3 - 0.7 SO3 ) + 1.091 × (MgO - 0.479 MgCO3) for a final carbonation step, and - storing the part for 0.5 hours to 28 days for further hydration of not-yet carbonated, not-yet hydrated cement to provide the concrete part. and concrete parts obtainable with the method.

Classes IPC  ?

• C04B 28/04 - Ciments Portland
• C04B 28/10 - Ciments de chaux ou ciments d'oxyde de magnésium

Produits et services

Ready mixed concrete poured on site.

Produits et services

Building materials, not of metal; cement; dry cement premixes; dry concrete premixes; concrete; ready-mixed concrete; mortar; transportable structures and building components, not of metal.

Abrégé

Method for manufacturing hydraulically hardening building materials, comprising: - providing concrete demolition waste with a maximum particle size of up to 150 mm as a starting material, - mixing the starting material with water to form a feedstock slurry, - introducing carbon dioxide or a precursor thereof into the feedstock slurry to form carbonated concrete fines in an amount from 1 to 100 wt.-% of the hardened binder contained in the starting material and to detach the concrete fines from the aggregate contained in the starting material to form a product slurry, and - mixing the product slurry with a cement forming the building material, and use of the obtainable building material for manufacturing building structures as well as method for manufacturing a supplementary cementitious material slurry comprising the steps: - providing concrete demolition waste with a maximum particle size of up to 150 mm as starting material, - mixing the starting material with water to form a feedstock slurry, - introducing carbon dioxide or a precursor thereof into the feedstock slurry transforming from 1 to 100 wt.-% of the hardened binder contained in the starting material to carbonated concrete fines with a reactivity index of at least 1.1 times to form the supplementary cementitious material slurry.

Classes IPC  ?

• C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
• C04B 28/04 - Ciments Portland

Abrégé

Method of exhaust gas scrubbing comprising providing recycled concrete fines as a waste material rich in carbonatable Ca and/or Mg phases and with d90 = 1000 µm and a Rosin-Rammler slope n from 0.6 to 1.4, injecting the waste material into an exhaust gas stream containing CO2 and/or SOx for reaction with CO2 and/or SOx at a relative humidity of 50 to 100 Vol.-% and a temperature from 40 to 130 °C in an amount of dry waste material ranging from 5 to 30 kg/m3, withdrawing a partly carbonated and/or sulphurized waste material and purified exhaust gas, and recycling a part of the partly carbonated and sulphurized waste material while the remainder is discharged, as well as use of a waste material slurry for exhaust gas cleaning of CO2 and/or SOx.

Classes IPC  ?

• B01D 53/50 - Oxydes de soufre
• B01D 53/62 - Oxydes de carbone
• B01D 53/80 - Procédés en phase semi-solide, c.-à-d. au moyen de boues
• B01D 53/82 - Procédés en phase solide avec des réactifs à l'état stationnaire
• C04B 7/24 - Ciments produits à partir de schistes bitumineux, de déchets ou de résidus autres que des scories

Abrégé

Method for manufacturing supplementary cementitious material and sequestering CO2 by carbonating concrete fines comprising the steps: grinding the concrete fines obtained from crushed concrete demolition waste in a mill at a temperature from 1 to 10 °C above the water dew point in a carbonating atmosphere provided by a gas containing from 10 to 99 Vol.-% CO2, circulating the ground and partially carbonated concrete fines in a fluidized bed reactor in contact with the carbonating atmosphere, and withdrawing decarbonated gas and carbonated concrete fines.

Classes IPC  ?

• C04B 7/24 - Ciments produits à partir de schistes bitumineux, de déchets ou de résidus autres que des scories
• C04B 7/38 - Préparation ou traitement des matières premières séparément ou en mélange
• C04B 7/42 - Ingrédients actifs ajoutés avant, ou pendant, la cuisson
• C04B 7/52 - Broyage fin

Produits et services

Market assessment services; advice relating to the organisation and management of business; consultancy and advisory services in the field of business strategy; conducting of business feasibility studies; business intermediary services relating to the matching of potential private investors with entrepreneurs needing funding; market research and business analyses. Conducting financial feasibility studies; project financing; venture capital financing; venture capital fund management. Designing and developing webpages on the internet; building and maintaining websites; research and development of new products for others; product development for others.

Abrégé

Method for simultaneous cleaning of exhaust gas from CO2 and/or SOx and manufacturing a supplementary cementitious material from recycled concrete fines comprising providing recycled concrete fines with d90 = 1000 µm in a stockpile or silo as starting material, flushing the starting material to provide carbonated material, withdrawing the carbonated material and cleaned exhaust gas, and de-agglomerating the carbonated material to form the supplementary cementitious material, as well as use of a stockpile or silo containing a starting material of recycled concrete fines with d90 = 1000 µm for cleaning exhaust gas from CO2 and/or SOx and simultaneously manufacturing a supplementary cementitious material.

Classes IPC  ?

• B01D 53/62 - Oxydes de carbone
• C04B 7/24 - Ciments produits à partir de schistes bitumineux, de déchets ou de résidus autres que des scories

Abrégé

The present invention relates to a method of manufacturing building elements comprising the steps: providing a binder comprising at least 8 % by weight ternesite, at least 15 % by weight dicalcium silicate and at least 5 % by weight ye'elimite, each with respect to the total binder, as hydraulically reactive phases; mixing the binder with water to form a paste; casting the paste into a desired shape for the building element; reacting the paste hydraulically to form calcium- silicate-hydrates, calcium-aluminium-silicate-hydrates, portlandite, brucite, strätlingite, hydrotalcite-like phases and ettringite/AFm and capillary pores, and carbonation hardening to provide the building element and to building elements obtainable by the method.

Classes IPC  ?

• C04B 7/32 - Ciments alumineux
• C04B 7/345 - Ciments hydrauliques non prévus par l'un des groupes
• C04B 28/06 - Ciments alumineux
• C04B 28/18 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des mélanges du type chaux et silice

Abrégé

Method for manufacturing a binder comprising a hydratable material and a building element from the binder comprising the steps: - providing a starting material from one or more raw materials convertible by tempering at 600 to 1200 °C into the hydratable material, wherein the starting material has a Ca/Si molar ratio from 0.5 to 1.8 and contains no or up to 30 % by weight of other elements than Ca and Si with regard to the total mass calculated as oxides, - tempering the starting material at a temperature in the range from 600 to 1200 °C during a residence time from 1 minutes to 5 hours to provide the hydratable material containing not more than 10 % by weight monocalcium silicate and at least 15 % by weight hydratable phases in the form of lime and dicalcium silicate, wherein at least 50 % of the hydratable phases are dicalcium silicate, wherein the residence time and the tempering temperature are adapted to obtain the said hydratable material by converting not more than 80 % by weight of the starting material, - cooling the hydratable material to provide the binder comprising the hydratable material. For manufacturing the building element the further steps of - mixing the binder with water and optionally one or more of aggregate, additves, admixtures to obtain a binder paste - placing the binder paste - hydrating the binder paste until the amount of bound water is at least 1 g/100 g dry binder and - carbonating the binder paste until until the amount of additionally bound carbon dioxide is at least 150 % of the initially bound water mass and/or the strength exceeds 2 MPa while still keeping the bound water at least 50 % of the initially bound water.

Classes IPC  ?

• C04B 7/345 - Ciments hydrauliques non prévus par l'un des groupes
• C04B 28/18 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des mélanges du type chaux et silice

Produits et services

Market assessment services; Advice relating to the organisation and management of business; Consultancy and advisory services in the field of business strategy; Conducting of business feasibility studies; Business intermediary services relating to the matching of potential private investors with entrepreneurs needing funding; Market research and business analyses. Conducting financial feasibility studies; Project financing; Venture capital financing; Venture capital fund management. Designing and developing webpages on the internet; Building and maintaining websites; Research and development of new products for others; Product development for others.

Abrégé

The present invention relates to a composite cement obtainable by grinding Portland cement clinker and latent hydraulic material together, preferably in the presence of at least one amine grinding aid, to provide a ground mixture and combining the ground mixture with a mineral filler. It further relates to a method of manufacturing the composite cement comprising the steps of grinding a latent hydraulic material and a portland cement clinker together, preferably in the presence of at least one amine, to provide a ground mixture and combining the ground mixture with one or more mineral fillers as well as to binders and to using the cement or binders as building material.

Classes IPC  ?

• C04B 7/52 - Broyage fin
• C04B 28/04 - Ciments Portland
• C04B 28/08 - Ciments de scories

Abrégé

This invention relates to a method for producing a supplementary cementitious material comprising the steps: - providing a starting material containing dolomite and aluminium silicate, - converting the starting material to the supplementary cementitious material by burning under reducing conditions in the temperature range of > 700 to 1100 °C or by burning in the temperature range of 625 to 950 °C in the presence of a mineraliser, - and cooling the supplementary cementitious material. The invention further relates to a binder comprising cement and to the ground supplementary cementitious material.

Classes IPC  ?

• C04B 7/12 - Pouzzolanes naturelsCiments de pouzzolanes naturels
• C04B 7/13 - Leurs mélanges avec des matières inorganiques cimentaires, p. ex. ciments Portland
• C04B 14/04 - Matières riches en siliceSilicates
• C04B 28/04 - Ciments Portland
• C04B 28/06 - Ciments alumineux

Produits et services

Building materials (not of metal); concrete, mortar, lime, ready-mixed concrete and ready-mixed mortar; concrete products; reinforced concrete products; blocks made from concrete; concrete building elements; concrete constructional panels; concrete formwork; concrete products for use on roadways and/or walkways; cement; pulverised fuel ash, ground granulated blast-furnace slag and/or silica fume for use as substitutes for cement; aggregates, sand, gravel, stone, crushed stone, crushed stone products; aggregate materials for use in concrete; ready to use cement; plaster; building products made of cementitious materials; blended cements; cement based mixtures for use in building; cement based coatings and materials; cement mixes; cement mortar; cementitious patching compounds and mortars; cementitious protective, sealing and/or water proofing coatings, compounds and mortars; soil stabilizing cement; mixed bags of cement and sand; road repair and jointing products; materials for making and coating roads.

Abrégé

The present invention relates to a dry mortar and a mortar slurry as well as a method for producing semi-rigid coatings. In one embodiment, the dry mortar or the mortar slurry contains a cement, a very fine component and a plasticizer and is free from silica fume, wherein the mortar slurry can be applied at a temperature of the asphalt support structure of 55 to 80 .degree.C and a compressive strength of at least 100 N/mm2 is achieved after 28 days. In a further embodiment, the dry mortar or the mortar slurry also contains a gelling agent such that the mortar slurry has a reduced efflux tendency.

Classes IPC  ?

• B28B 19/00 - Machines ou méthodes pour appliquer le matériau sur des surfaces pour former une couche permanente sur ces dernières
• C04B 7/02 - Ciment Portland
• C04B 24/00 - Emploi de matières organiques en tant qu'ingrédients actifs pour mortiers, béton ou pierre artificielle, p. ex. emploi de plastifiants
• C04B 28/04 - Ciments Portland
• C04B 40/06 - Inhibition de la prise, p. ex. pour mortiers du type à action différée contenant de l'eau dans des récipients frangibles
• E01C 7/26 - Revêtements continus réalisés sur place faits de matériaux d'empierrement et de liants de matériaux d'empierrement et de liant bitumeux mélangés à d'autres matériaux, p. ex. au ciment, au caoutchouc, au cuir, à des fibres

Produits et services

Chemicals used in building; chemicals used as additives for building materials and construction materials; chemicals as additives for concrete, mortar, screed; chemicals in the form of mixes or additives for hydraulic binding agents, especially plasticizer, superplasticizer, dispersants, water retention agents, setting retarders, setting accelerators, hardening retarders, hardening accelerators, chemical expanding agents, defoamers; hydraulic inorganic binders; concrete binders. Building materials (non-metallic); natural and artificial raw materials for building; cement; concrete; ready-mix concrete; mortar; lime; limestone; hydraulic binding agents as non-metallic building materials and mixes containing them together with one or more additives like aggregates or pozzolanic materials; hydraulic binding agents as non-metallic building materials and mixes containing them together with one or more chemical admixtures; precast concrete parts; goods of concrete or mortar. Construction; civil engineering; advice in the field of building; repair in the field of production installations for the manufacture of cement and other hydraulic, inorganic binding agents, natural and artificial raw materials for building, and products of concrete or mortar, and in the field of installations for the processing of cement and other hydraulic, inorganic binding agents, natural and artificial raw materials for building and products of concrete or mortar; repair of structural and civil engineering works; rental of building equipment; rental of building machinery; supervision of construction sites. Material testing, namely testing and quality control of building materials.

Produits et services

Chemicals used in building; chemicals used as additives for building materials and construction materials; chemicals as additives for concrete, mortar, screed; chemicals in the form of mixes or additives for hydraulic binding agents, especially plasticizer, superplasticizer, dispersants, water retention agents, setting retarders, setting accelerators, hardening retarders, hardening accelerators, chemical expanding agents, defoamers; hydraulic inorganic binders; concrete binders. Building materials (non-metallic); natural and artificial raw materials for building; cement; concrete; ready-mix concrete; mortar; lime; limestone; hydraulic binding agents as non-metallic building materials and mixes containing them together with one or more additives like aggregates or pozzolanic materials; hydraulic binding agents as non-metallic building materials and mixes containing them together with one or more chemical admixtures; precast concrete parts; goods of concrete or mortar. Construction; civil engineering; advice in the field of building; repair in the field of production installations for the manufacture of cement and other hydraulic, inorganic binding agents, natural and artificial raw materials for building, and products of concrete or mortar, and in the field of installations for the processing of cement and other hydraulic, inorganic binding agents, natural and artificial raw materials for building and products of concrete or mortar; repair of structural and civil engineering works; rental of building equipment; rental of building machinery; supervision of construction sites. Material testing, namely testing and quality control of building materials.

Abrégé

The present invention relates to composite binders containing calcium sulfoaluminate cement and supplementary cementitious material, wherein a weight ratio of calcium sulfate to the sum of ye'elimite, aluminates and ferrites (R$/(Y+A+F)) ranges from 0.5 to 0.85, to a method of manufacturing them comprising the steps: a) providing at least one calcium sulfoaluminate cement b) providing at least one supplementary cementitious material c) mixing 10 to 90 % by weight calcium sulfoaluminate cement(s) with 10 to 90 % by weight supplementary cementitious material(s), and to their use for making hydraulically setting building materials and special construction chemical compositions.

Classes IPC  ?

• C04B 7/32 - Ciments alumineux
• C04B 28/06 - Ciments alumineux

Produits et services

Hydraulic binding agents; Binding agents for concrete. Building materials (non-metallic), in particular concrete, mortar, cement.

Produits et services

Building materials (non-metallic); Concrete; Cement; Levelling compounds containing cement; Non-metallic rigid pipes for building; Non-metallic transportable buildings. Building construction; Repair in the field of production installations for the manufacture of cement and other hydraulic, inorganic binding agents, natural and artificial raw materials for building, and products of concrete or mortar, and in the field of installations for the processing of cement and other hydraulic, inorganic binding agents, natural and artificial raw materials for building and products of concrete or mortar, and repair of civil engineering structures.

Produits et services

Building materials (non-metallic), in particular concrete and cement.

Produits et services

Binding agents for concrete. Building materials (non-metallic), in particular concrete and cement.

Produits et services

Binding agents for concrete. building materials (non-metallic), cement.

Produits et services

Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal.

Produits et services

Building materials, road-making materials, road-surfacing materials and construction materials, all the aforesaid goods not of metal; components and finished parts, not of metal; cement, concrete, mortar, damping material, filling material, insulating material and heat-conducting material being building material; non-metallic pipes; scaffolding, not of metal. Building contractors, construction information, conducting building projects, building promoter services, structural and civil engineering, repair works, building construction supervision, leasing of construction equipment and construction machines. Technical architectural consultancy, services of architects and engineers.

Produits et services

Building materials (non-metallic), road-building material, road-surfacing material, building materials, non-metallic, building components, not of metal, finished building components, not of metal, cement, concrete, mortar, insulating material, filling material, heat-conducting material being building material, pipes, not of metal, scaffolding, not of metal. Building contractors, construction information, conducting building projects, building promoter services, structural and civil engineering, repair works, building construction supervision, leasing of construction equipment and construction machines. Technical architectural consultancy, services of architects and engineers.

Produits et services

Insulating materials. Building materials, not of metal; road making material; road-surfacing materials; Building materials (non-metallic); building parts, not of metal; finished building parts, not of metal; cement, concrete, mortar; insulating material; filling material; heat-conducting material being building material; non-metallic pipes; scaffolding, not of metal. Public works; construction information; conducting building projects; building promoter services; structural and civil engineering; repair works; building construction supervision; leasing of building equipment and construction machines. Technical architectural consultancy; architecture and engineering.

Produits et services

Insulating materials. Building materials, not of metal; road making material; road-surfacing materials; Building materials (non-metallic); building components, not of metal; preassembled building parts, not of metal; cement, concrete, mortar, insulating material; filling material; heat-conducting material being building material; non-metallic pipes; scaffolding, not of metal. Public works; construction information; conducting building projects; building; structural and civil engineering; repairing; building construction supervision; leasing of construction equipment and construction machinery. Technical architectural consultancy; services of architects and engineers.

Produits et services

(1) Concrete; transport concrete; ready mixed concrete; mortar; ready mixed mortar; aggregates for concrete, concrete products, namely light, heavy and aerated concrete building blocks, pavements, prefabricated ceilings and walls, prefabricated cellar units, prefabricated sewage works units; standard cements; masonry cement; cement mixes; speciality cements, namely aluminous cements, white cements, trass cements, highly sulphate resisting cement and Portland cement for hydraulic engineering, anti-sulphate cement for sewage works construction, extremely fine cement for soil injection and masonry repair, binders for waste dump sealing; specific binders, namely tailor-made ready mixed cement products for geotechnology, environmental technology and road construction; limestone and lime products; limestone aggregates; limestone sand; pulverized limestone; burnt limestone; white pulverized limestone; limestone hydrate; dry mortar, underlayment, overlayment, renovation, and repair plasters, interior plasters, thin layer plasters, filler, bonding and ready to use plasters on a gypsum and lime/cement basis, masonry mortar, anhydrous fluidized floor finish, stucco gypsum; gypsum- based insulation plaster; special gypsums, namely industrial modelling gypsum and modelling materials; expanded clay, lightweight fillers, blocks and wall or floor units; sand-lime bricks, sand-lime brick construction systems, solid, perforated, oversize and facing sand-lime bricks; bitumen-based or tar-based sealants for asphalt, driveways, or roofing. (1) Building constructions and repair services.

Produits et services

Building materials (non-metallic); cement and other hydraulic, inorganic binding agents; natural and artificial raw materials for building; concrete; ready-mixed concrete; mortar; goods of concrete or mortar. Construction; repair in the field of production installations for the manufacture of cement and other hydraulic, inorganic binding agents, natural and artificial raw materials for building, and products of concrete or mortar, and in the field of installations for the processing of cement and other hydraulic, inorganic binding agents, natural and artificial raw materials for building and products of concrete or mortar; repair of structural and civil engineering works.

Produits et services

Building materials (non-metallic), in particular auxiliary agents for laying pipes in the ground without excavation, including deep drilling and pipe advancing with lubricants and binding agents for stabilising pipes in the ground, and sealing preparations. Building construction, in particular civil engineering, including laying pipes in the ground without excavation. Technical consultancy, in particular for building construction.

Produits et services

High-pressure injectors. Building materials (non-metallic). Construction work. Technical planning for building construction.

Produits et services

Construction machines, namely high-pressure injectors. Building materials (non metallic). Building construction, namely construction work. Architecture, engineering and technical services, namely construction work.