A flux feeding apparatus 10 for delivering flux to a mold 13 during a continuous casting process is described. The apparatus comprises: a plurality of silos 20a-20c each containing a different flux or flux component; a receiver 52 for receiving process parameters of the casting process; and a controller 44 which is configured to: analyse the process parameters received by the receiver 52; determine whether a current flux composition is appropriate for the received process parameters; and if the current flux composition is not appropriate for the received process parameters, change the delivery of flux or flux components from the plurality of silos to provide a required flux composition to the mold 13 for the received parameters. A corresponding method is also described.
Precipitated carbonate, a method for its manufacture and uses thereof The present invention concerns precipitated calcium carbonate particles being at least partially in the form of nanofibers or nanochain like agglomerates, wherein the particles are at least partially coated with at least one coating agent, use of such precipitated calcium carbonate particles and a process for the manufacture of such precipitated calcium carbonate particles.
A ceramic precursor composition suitable for sintering form a ceramic material or structure therefrom, for example, a ceramic honeycomb structure, a ceramic material or structure, for example, a ceramic honeycomb structure obtainable by sintering said ceramic precursor composition, a method for preparing said ceramic precursor composition and ceramic material or structure, for example, ceramic honeycomb structure, a diesel particulate filter comprising said ceramic structure, a selective diesel particulate filter comprising said ceramic structure, a gasoline particulate filter comprising said ceramic structure, a vehicle comprising said diesel particulate filter, selective diesel particulate filter or gasoline particulate filter, and a SCR catalyst system comprising said ceramic material or structure.
C04B 35/478 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates based on titanates based on aluminium titanates
C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof
4.
PARTICULATE COMPOSITIONS FOR THE FORMATION OF GEOPOLYMERS, THEIR USE AND METHODS FOR FORMING GEOPOLYMERS THEREWITH, AND GEOPOLYMERS OBTAINED THEREFROM
The present invention relates to dry particulate composition for forming a geopolymer, comprising an alkali metal hydroxide, an alkali metal silicate, and an aluminosilicate. The invention further relates to methods for forming geopolymers and geopolymers formed according to said methods or using the said dry particulate compositions.
C04B 28/00 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
C04B 40/06 - Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers
A method of making fly ash comprising combusting a fuel in the presence of a mineral additive, wherein the mineral additive comprises at least one silicate, fly ash obtained by said method and the use of said fly ash as a pozzolan, for example for use in a cementitious composition such as cement and concrete.
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
11 - Environmental control apparatus
21 - HouseHold or kitchen utensils, containers and materials; glassware; porcelain; earthenware
37 - Construction and mining; installation and repair services
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Chemical preparations for use in the manufacture of ceramic
articles; industrial minerals; ceramic precursor
compositions for use in the manufacture of ceramic articles;
ceramic materials for use in industry; ceramic materials in
paste form for use in industry; compositions for the
manufacture of technical ceramics; ceramic compositions
ready to use as a feedstock for injection moulding machines. Injection moulding machines; molds [parts of machines];
parts and fittings for all the aforementioned goods. Sanitaryware; furnaces, other than for laboratory use;
bidets; flushing tanks; showers; sinks; drying apparatus and
installations; wash-hand basins [parts of sanitary
installations]; toilet bowls; toilet seats; urinals
[sanitary fixtures]. Table plates; earthenware; mugs; porcelain ware; services
[dishes]; tableware, other than knives, forks and spoons;
tea services [tableware]; coffee services [tableware]. Factory construction; machinery installation, maintenance,
and repair. Teaching; practical training [demonstration]. Research, design and development of ceramic precursor
compositions; research, design and development of ceramic
compositions ready to use as a feedstock for injection
moulding machines.
A dried or at least partially dried ceramic feedstock, a method of preparing a dried or at least partially dried ceramic feedstock having a residual solvent content of up to about 5 wt. %, ceramic formulations comprising one or more ceramic precursors, temperature sensitive gelling agent, solvent, and having a viscosity suitable for low pressure injection molding, methods for preparing said ceramic formulations, a method of forming a ceramic article from said ceramic formulations, and a ceramic article obtainable therefrom.
C04B 35/46 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates
C04B 35/462 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates based on titanates
C04B 35/626 - Preparing or treating the powders individually or as batches
A ceramic composition, optionally in the form of a honeycomb structure, ceramic precursor compositions suitable for sintering to form said ceramic composition, a method for preparing said ceramic composition and ceramic honeycomb structure, a diesel particulate filter comprising said ceramic honeycomb structure, and a vehicle comprising said diesel particulate filter.
C04B 35/478 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates based on titanates based on aluminium titanates
C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof
F01N 3/022 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
A process for beneficiating a feldspar and/or feldspathoid containing feed material which comprises magnetic impurities, non-magnetic impurities and non-magnetic minerals to be beneficiated, the process comprising the steps of providing said feed material, forming an aqueous composition comprising said feed material and a magnetic enhancer reagent and subjecting said aqueous composition to wet magnetic separation.
B03C 1/30 - Combinations with other devices, not otherwise provided for
10.
MINERAL ADDITIVE BLEND COMPOSITIONS AND METHODS FOR OPERATING WASTE TO ENERGY COMBUSTORS FOR IMPROVING THEIR OPERATIONAL PERFORMANCE AND AVAILABILITY, PROTECTING COMBUSTOR MATERIALS AND EQUIPMENT, IMPROVING ASH QUALITY AND AVOIDING COMBUSTION PROBLEMS
Mineral additives and a method for operating a waste-to-energy furnace are provided in order to improve its operational performance and availability, increase the lifetime of the combustor building materials (refractory walls and heat-exchanger metallic tubes) and flue gas treatment equipment, improve ash quality, reduce emissions and avoid combustion problems such as agglomeration, slagging, deposition and corrosion. A method for operating a waste-to-energy furnace, such as a fluidized bed reactor, pulverized-fuel combustor, grate combustor includes introducing mineral additive into the furnace. The method further includes heating at least a portion of the mineral additive either intimately in contact with the fuel, such that the ability of mineral additive to induce crystallization of the surface of forming ashes is enhanced, or minimizing the contact of the mineral additive with the fuel and the forming ashes, such that the solid-gas reactions between the mineral additive and the volatile compounds in the flue gas are favored and the mineral additive power to capture at least a portion of the inorganic volatile compounds present in the furnace is enhanced.
F23G 7/00 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of specific waste or low grade fuels, e.g. chemicals
F23G 7/10 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of specific waste or low grade fuels, e.g. chemicals of field or garden waste
11.
METHOD OF FORMATION FOR COMPOSITE MATERIALS COMPRISING CEMENT AND GEOPOLYMER CONTAINING LAYERS, AND PRODUCTS OBTAINED FROM SUCH METHODS
The present invention relates to methods for forming a layered composite material, the finished product comprising at least on geopolymeric layer and at least one cement- based layer. The method of the invention allows the provision of products with more varied appearances, shapes, colours, gloss, or surface structures such as decorations, reliefs, roughness, or the like. Products obtained according to the method of the invention also form part of the invention.
C04B 28/00 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
11 - Environmental control apparatus
21 - HouseHold or kitchen utensils, containers and materials; glassware; porcelain; earthenware
37 - Construction and mining; installation and repair services
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Chemical preparations for use in the manufacture of ceramic articles; industrial minerals; ceramic precursor compositions for use in the manufacture of ceramic articles; ceramic materials for use in industry; ceramic materials in paste form for use in industry; compositions for the manufacture of technical ceramics; ceramic compositions ready to use as a feedstock for injection moulding machines. Injection moulding machines; molds [parts of machines]; parts and fittings for all the aforementioned goods. Sanitaryware; furnaces, other than for laboratory use; bidets; flushing tanks; showers; sinks; drying apparatus and installations; wash-hand basins [parts of sanitary installations]; toilet bowls; toilet seats; urinals [sanitary fixtures]. Table plates; earthenware; mugs; porcelain ware; services [dishes]; tableware, other than knives, forks and spoons; tea services [tableware]; coffee services [tableware]. Factory construction; machinery installation, maintenance, and repair. Teaching; practical training [demonstration]. Formulation of ceramic precursor compositions; formulation of ceramic compositions ready to use as a feedstock for injection moulding machines.
Methods for making an inorganic sheet (7), a sintered ceramic sheet and a sintered multilayered ceramic composite, an inorganic sheet (7), sintered ceramic sheet and a sintered multilayered ceramic composite obtainable by such methods, and an apparatus configured to carry out such methods.
B28B 1/52 - Producing shaped articles from the material specially adapted for producing articles from mixtures containing fibres
B22F 3/18 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor by using pressure rollers
B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
B22F 7/02 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite layers
B28B 3/12 - Producing shaped articles from the material by using pressesPresses specially adapted therefor wherein one or more rollers exert pressure on the material
B28B 3/16 - Producing shaped articles from the material by using pressesPresses specially adapted therefor wherein one or more rollers exert pressure on the material with co-operating profiled rollers
B30B 3/04 - Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs co-operating with one another, e.g. with co-operating cones
B30B 11/18 - Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses or tabletting presses using profiled rollers
A ceramic composition, optionally in the form of a honeycomb structure, ceramic precursor compositions suitable for sintering to form said ceramic composition, a method for preparing said ceramic composition and ceramic honeycomb structure, a diesel particulate filter comprising said ceramic honeycomb structure, and a vehicle comprising said diesel particulate filter.
C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof
C04B 35/478 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates based on titanates based on aluminium titanates
F01N 3/022 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
A ceramic composition, optionally in the form of a honeycomb structure, ceramic precursor compositions suitable for sintering to form said ceramic composition, a method for preparing said ceramic composition and ceramic honeycomb structure, a diesel particulate filter comprising said ceramic honeycomb structure, and a vehicle comprising said diesel particulate filter.
C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof
C04B 35/478 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates based on titanates based on aluminium titanates
F01N 3/022 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
A ceramic precursor composition suitable for firing to form a porcelain tile body, engobe composition for a ceramic body, a green body formed from said ceramic precursor composition, a ceramic article obtainable by firing said green body, and processes for making said ceramic article and engobe composition.
C04B 35/00 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
Inventor
Gagsnier, Gilles
Grimaud, Alain
Denoirjean, Alain
Arcondeguy-Bach, Aure
Montavon, Ghislain
Abstract
A method for applying a ceramic coating to a heat sensitive substrate is provided. The method comprises heating a surface layer of at least a portion of the substrate to a temperature in the range of from about 350 to 800°C, while maintaining a temperature of about 250°C or less in the substrate at a depth of 1 mm or more below the surface layer, providing a ceramic material in a form suitable for thermal spraying; and thermal spraying the ceramic material onto the heated surface layer of the substrate. The ceramic material to be sprayed onto the heated surface comprises a fusible ceramic material.
A composition comprising alumina, suitable for firing to obtain a ceramic material therefrom; a green body formed from the composition; a ceramic material formed from the composition or green body; and a ballistic armour formed from or comprising the ceramic material.
A paint composition comprising microfibrillated cellulose, binder and solvent. The microfibrillated cellulose is present in an amount ranging from about 0.1 % to about 10 % by weightbased on the total weight of the paint composition.
A ceramic honeycomb structure suitable for particulate filters, having an inlet face and an outlet face, comprising a plurality of inlet cells and a plurality of outlet cells extending through the structure from the inlet face to the outlet face, the inlet cells being open at the inlet face and closed where adjoining the outlet face, and the outlet cells being open at the outlet face and closed where adjoining the inlet face. The inlet and/or outlet cells are quadrangular in cross- section and are arranged in an alternating pattern; the outlet cells may have a cross - sectional area generally smaller than that of inlet cells and have an acute interior angle, and no point of a given inlet cell is closer to an adjacent inlet cell than to an adjacent outlet cell. A process for preparing the ceramic honeycomb structure is also disclosed.
B01D 46/24 - Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
F01N 3/022 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
22.
FLOTATION PROCESS FOR RECOVERING FELDSPAR FROM A FELDSPAR ORE
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIC (C.N.R.S.) (France)
IMERYS CERAMICS FRANCE (France)
Inventor
Filippov, Lev O.
Abstract
A flotation process for recovering feldspar from a feldspar containing feed material, comprising the following steps: (1 ) forming an aqueous suspension of a feldspar containing feed material, in the absence of hydrofluoric acid, wherein the suspension comprises from 0.004 to 0.3 %wt. of a flotation reagent comprising: (a) one or more amines, containing at least one aliphatic hydrocarbon chain, linear or branched, saturated or unsaturated, comprising 8 to 50 carbon atoms, or a salt thereof; and (b) one or more primary, secondary or tertiary alcohols, containing at least one aliphatic hydrocarbon chain, linear or branched, saturated or unsaturated, comprising 8 to 50 carbon atoms; the ratio of (a) to (b) ranging from 500:1 to 1 :40 by weight; (2) agitating the obtained suspension to produce a feldspar containing fraction, and (3) separating the feldspar containing fraction.
A method of grinding a particulate material, comprising grinding said material in a stirred mill in the presence of a grinding media comprising rod-shaped particles, wherein said rod-shaped particles have an aspect ratio of equal to or greater than about 2:1.
The invention relates to ceramic honeycomb structures comprising a mullite phase and a tialite phase, and methods for manufacturing these honeycomb structures. The invention also relates to the use of andalusite for the manufacture of a ceramic honeycomb structure, as well as to the ceramic honeycomb structures containing andalusite, and to the methods for manufacturing these ceramic honeycomb structures.
C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof
F01N 3/022 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
B01D 39/20 - Other self-supporting filtering material of inorganic material, e.g. asbestos paper or metallic filtering material of non-woven wires
25.
POROUS CERAMIC BODIES AND PROCESS FOR THEIR PREPARATION
A process for producing a porous ceramic body comprises a) mixing a coated porogen with a silicate or an oxide ceramic precursor, wherein the porogen is decomposable to gaseous decomposition products and optionally solid products upon heating, and is coated with a coating agent; b) forming a green body from the mixture obtained in step (a); and c) firing the green body obtained in step (b) to obtain the ceramic body, whereby the porogen decomposes to form pores within the ceramic body and the coating agent is deposited at the inner surface of the pores. The porogen is coated with a coating agent which, upon firing, is deposited at the inner surface of the ceramic pores, so that porous ceramics having decreased weight and improved porosity are obtained, while maintaining at the same time good mechanical strength. A green body and a porous ceramic body obtainable with the above-mentioned process are described too.
