The invention relates to a method for separating a mixture in an installation comprising a first system comprising a plurality of chromatography columns, a second system downstream of the first system and a tank fed by an outlet line of the first system and feeding the second system with a continuous stream, the method successively comprising, in a cyclical manner, in a given part of the first system, steps of collecting a raffinate, injecting the mixture to be separated, collecting an extract and injecting a mobile phase; wherein the method further comprises the measurement of the purity and/or yield of at least one collected fraction, comprising: the determination of the concentration of at least two species of the mixture to be separated in the fraction collected in the tank; and the determination of the purity and/or yield of at least one species of the fraction collected in the tank.
The invention relates to a method for separating a mixture in a system comprising a plurality of chromatography columns, the method successively comprising, in a cyclical manner, in a given part of the system, steps of collecting a raffinate, injecting the mixture to be separated, collecting an extract and injecting a mobile phase; wherein the method further comprises measuring the purity and/or yield of a collected fraction, comprising: the determination, in a node of the system, of the histories of at least two variables that are representative of the concentration of at least two species contained in the mixture to be separated using at least one fast online detector; the determination of the concentration of at least two species of the mixture to be separated in the collected fraction based on these histories; and the determination of the purity and/or yield of the collected fraction based on these concentrations.
The invention relates to a purification method, comprising the following steps: —supplying a stream (6) comprising a non-ionised species, monovalent cations and divalent cations; bringing the stream (6) into contact with a first cation exchange resin (1) in sodium and/or potassium form; —collecting a first fraction (7) which contains the non-ionised species and is enriched in monovalent cations and depleted of divalent cations with respect to the stream (6); —bringing the first fraction (7) into contact with a second cation exchange resin (2) in hydronium form; —collecting a second fraction (8) which contains the non-ionised species and is depleted of monovalent cations with respect to the first fraction (7); —regenerating the second cation exchange resin (2) with a sulphuric acid solution (10); —collecting a first regeneration effluent comprising at least one fraction A, the fraction A comprising sodium and/or potassium ions; and —recycling the fraction A to regenerate the first cation exchange resin (1).
The invention relates to a method for treating sugar comprising: placing a coloured sugar juice in contact with an ion exchange resin so as to charge the resin with colouring agents and to collect a bleached sugar juice; regenerating the colouring-charged resin, comprising: placing the charged resin in contact with a regeneration brine comprising a chloride salt; and collecting a regeneration effluent, the regeneration effluent comprising at least three fractions A, B and C, fraction A having a higher concentration of chloride salt than fractions B and C; and recycling the regeneration effluent, comprising: nanofiltration of fraction A of the regeneration effluent in order to obtain a first permeate and a first retentate; diafiltration of the first retentate, said diafiltration comprising: dilution of the first retentate with the fraction B of the regeneration effluent; nanofiltration of the mixture in order to obtain a second permeate and a second retentate; mixing of the first permeate with the second permeate and fraction C of the regeneration effluent,
The invention relates to a purification method, comprising the following steps: - supplying a stream (6) comprising a non-ionised species, monovalent cations and divalent cations; - bringing the stream (6) into contact with a first cation exchange resin (1) in sodium and/or potassium form; - collecting a first fraction (7) which contains the non-ionised species and is enriched in monovalent cations and depleted of divalent cations with respect to the stream (6); - bringing the first fraction (7) into contact with a second cation exchange resin (2) in hydronium form; - collecting a second fraction (8) which contains the non-ionised species and is depleted of monovalent cations with respect to the first fraction (7); - regenerating the second cation exchange resin (2) with a sulphuric acid solution (10); - collecting a first regeneration effluent comprising at least one fraction A, the fraction A comprising sodium and/or potassium ions; and - recycling the fraction A to regenerate the first cation exchange resin (1).
The invention relates to a method for producing a fructose composition comprising the following successive stages:
provision of an initial composition comprising glucose;
concentration of the initial composition by evaporation of water to obtain a concentrated initial composition;
isomerization of glucose to fructose from the concentrated initial composition, making it possible to obtain an intermediate composition;
purification of the intermediate composition in a multicolumn chromatography system, making it possible to obtain a glucose-rich raffinate and a fructose-rich extract;
concentration of the extract by evaporation of water;
wherein the intermediate composition is not subjected to a concentration step by evaporation of water between the isomerization step and the purification step.
C12P 19/24 - Preparation of compounds containing saccharide radicals produced by the action of an isomerase, e.g. fructose
A23L 29/30 - Foods or foodstuffs containing additivesPreparation or treatment thereof containing carbohydrate syrupsFoods or foodstuffs containing additivesPreparation or treatment thereof containing sugarsFoods or foodstuffs containing additivesPreparation or treatment thereof containing sugar alcohols, e.g. xylitolFoods or foodstuffs containing additivesPreparation or treatment thereof containing starch hydrolysates, e.g. dextrin
A23L 5/20 - Removal of unwanted matter, e.g. deodorisation or detoxification
B01D 15/18 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
B01D 15/42 - Selective adsorption, e.g. chromatography characterised by the development mode, e.g. by displacement or by elution
A23L 5/49 - Removing colour by chemical reaction, e.g. bleaching
A method for purifying a mixture in a multicolumn chromatography system. The method successively and cyclically collects a raffinate, injects the mixture to be separated, collects an extract, and injects eluent. The mixture to be separated contains fructose and has a dry matter mass concentration of 45 to 55%. The method is carried out at a temperature of 50 to 62° C.
C13K 3/00 - Invert sugarSeparation of glucose or fructose from invert sugar
B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
8.
Method for chromatographic purification of viscous loads
the viscosity of the mixture to be treated at a dry matter mass concentration equal to the threshold concentration and at the operating temperature, is equal to twice the viscosity of the mixture to be treated, at a dry matter mass concentration equal to 85% of the threshold concentration and at the operating temperature.
The invention relates to a method for separating a mixture in a system comprising a plurality of chromatography columns, the method successively comprising, in a cyclical manner, in a given part of the system: a step of collecting a raffinate; a step of injecting the mixture to be separated; a step of collecting an extract; and a step of injecting a mobile phase; the method further comprising: determining, in a node of the system, the history of a variable representing the concentration of at least one species contained in the mixture to be separated; detecting, within said history, a characteristic point between the beginning of a step of collecting the extract and the end of the following step of collecting the raffinate; comparing the position of the characteristic point in relation to a target position; and adjusting the carrier volume of the characteristic point, modifying the position of the characteristic point in order to bring the position of the characteristic point closer to the target position; the volume of the mobile phase injected per cycle being maintained higher than, or equal to, a minimum threshold and/or lower than, or equal to, a maximum threshold. The invention also relates to a computer program for carrying out the steps of such a method, to a storage medium on which such a program is recorded, and to a system comprising a processor coupled to a memory on which such a program is recorded.
The invention relates to a method for purifying a mixture to be separated containing fructose, in a multi-column chromatography system, said method successively comprising, in a cyclical manner: a step of collecting a raffinate, a step of injecting the mixture to be separated, a step of collecting an extract and a step of injecting eluant; in which the mixture to be separated has a mass concentration of dry matter of between 45 and 55%, the method being implemented at a temperature of between 50 and 62°C.
B01D 15/18 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
C13B 20/14 - Purification of sugar juices using ion-exchange materials
B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
The invention relates to a method for producing a fructose composition comprising the following successive steps: - providing an initial composition comprising glucose; - concentrating the initial composition by evaporation of water in order to obtain a concentrated initial composition; - isomerising the glucose into fructose from the concentrated initial composition, whereby an intermediate composition is obtained; - purifying the intermediate composition in a multi-column chromatography system, whereby a raffinate which is rich in glucose and an extract which is rich in fructose are obtained; - concentrating the extract by evaporation of water; the intermediate composition not undergoing a step of concentrating by evaporation of water between the isomerisation step and the purification step.
B01D 15/18 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
The invention concerns a method for purifying a mixture to be separated, in a multi-column chromatographic system, the method comprising successively, in a cyclic manner: - a step of collecting a refinement, a step of injecting the mixture to be separated, a step of collecting an extract and a step of injecting eluent, at an operating temperature; wherein the mixture to be separated has a viscosity at 20°C greater than or equal to 3 mPa.s; and wherein the mass concentration of dry matter of the mixture to be separated is equal to close to 5% at a threshold concentration, said threshold concentration being such that: - the viscosity of the mixture to be treated, at a mass concentration of dry matter equal to the threshold concentration and at the operating temperature, is equal to twice the viscosity of the mixture to be treated, at a mass concentration of dry matter equal to 85% of the threshold concentration and at the operating temperature.
C13B 20/14 - Purification of sugar juices using ion-exchange materials
B01D 15/18 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
The invention relates to a method for purifying a solution, the method comprising the following successive steps: —bringing a solution to be purified into contact with an ion exchange resin by suspending the ion exchange resin in the solution to be purified, the ion exchange resin having the form of particles having a size Dv50 smaller than or equal to 200 μm; —separating the solution into a purified solution and a loaded resin; —regenerating the loaded resin by passing at least one regenerating solution through a compact bed of loaded resin. The invention also relates to an assembly for implementing the method.
C13B 20/14 - Purification of sugar juices using ion-exchange materials
B01D 15/20 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the conditioning of the sorbent material
B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
B01D 15/18 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
B01J 47/10 - Ion-exchange processes in generalApparatus therefor with moving ion-exchange materialIon-exchange processes in generalApparatus therefor with ion-exchange material in suspension or in fluidised-bed form
B01J 49/05 - Regeneration or reactivation of ion-exchangersApparatus therefor of fixed beds
B01J 49/60 - Cleaning or rinsing ion-exchange beds
C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
The invention relates to a method for separating a mixture in a system comprising a plurality of chromatography columns, the method successively comprising, in a cyclical manner, in a given part of the system: a step of collecting a raffinate; a step of injecting the mixture to be separated; a step of collecting an extract; and a step of injecting a mobile phase; the method further comprising: determining, in a node of the system, the history of a variable representing the concentration of at least one species contained in the mixture to be separated; detecting, within said history, a characteristic point between the beginning of a step of collecting the extract and the end of the following step of collecting the raffinate; comparing the position of the characteristic point in relation to a target position; and adjusting the carrier volume of the characteristic point, modifying the position of the characteristic point in order to bring the position of the characteristic point closer to the target position; the volume of the mobile phase injected per cycle being maintained higher than, or equal to, a minimum threshold and/or lower than, or equal to, a maximum threshold. The invention also relates to a computer program for carrying out the steps of such a method, to a storage medium on which such a program is recorded, and to a system comprising a processor coupled to a memory on which such a program is recorded.
The invention relates to a process for separating a mixture in a system comprising a plurality of chromatography columns, wherein the process successively comprises, in a cyclical manner, in a given part of the system: - a step of collecting a raffinate, a step of injecting the mixture to be separated, a step of collecting an extract and a step of injecting mobile phase; wherein the process comprises, moreover, measuring the purity and/or the yield of at least one collected fraction chosen from the extract and the raffinate, said purity and/or yield measurement comprising the following steps: - determining, in a node of the system, the histories of at least two respective variables representative of the concentration of at least two species contained in the mixture to be separated, by means of at least one rapid online detector; -determining the concentration of at least two species of the mixture to be separated in the collected fraction, from the histories; - determining the purity and/or the yield of the collected fraction, from the concentrations.
The invention relates to a process for separating a mixture in a facility comprising: - a first system comprising a plurality of chromatography columns, an outlet line for collecting a raffinate and an outlet line for collecting an extract; - at least one second system placed downstream of the first system; and - at least one tank fed by one of said outlet lines from the first system, and feeding the second system with a continuous flow; wherein the process successively comprises, in a cyclical manner, in a given part of the first system: - a step of collecting a raffinate, a step of injecting the mixture to be separated, a step of collecting an extract and a step of injecting mobile phase; wherein the process comprises, moreover, measuring the purity and/or the yield of at least one collected fraction chosen from the extract and the raffinate, said purity and/or yield measurement comprising the following steps: - determining the concentration of at least two species of the mixture to be separated in the fraction collected in the tank; - determining the purity and/or the yield of at least one species of the fraction collected in the tank.
The invention relates to a method for purifying a solution, the method comprising the following successive steps: bringing a solution to be purified into contact with an ion exchange resin by suspending the ion exchange resin in the solution to be purified, the ion exchange resin having the form of particles having a size Dv50 smaller than or equal to 200 µm; separating the solution into a purified solution and a loaded resin; regenerating the loaded resin by passing at least one regenerating solution through a compact bed of loaded resin. The invention also relates to an assembly for implementing the method.
B01J 47/10 - Ion-exchange processes in generalApparatus therefor with moving ion-exchange materialIon-exchange processes in generalApparatus therefor with ion-exchange material in suspension or in fluidised-bed form
C13B 20/14 - Purification of sugar juices using ion-exchange materials
B01J 49/05 - Regeneration or reactivation of ion-exchangersApparatus therefor of fixed beds
B01D 15/02 - Separating processes involving the treatment of liquids with solid sorbentsApparatus therefor with moving adsorbents
C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
42 - Scientific, technological and industrial services, research and design
Goods & Services
Chemicals for the industrial treatment of liquids; ion
exchange products and resins; chromatography chemicals;
enzyme products for industrial purposes; ferments for
chemical use; filtering materials, such as ultrafiltration,
microfiltration, nanofiltration, reverse osmosis,
electrodialysis membranes. Electrodialysis machines for industrial use; membrane
filtering machines and installations, especially for
ultrafiltration, microfiltration, nanofiltration, reverse
osmosis. Laboratory centrifuges; apparatus and installations for
laboratory chromatography; laboratory apparatus and
installations for operating enzymatic or fermentation
processes; apparatus and installations for ion exchangers,
electrodialysis, filtation, all the aforementioned apparatus
and installations for laboratory use; software in the field
of the production of molecules, purification of molecules,
process control, process analysis calculations, process
simulation, process optimization; programmable automated
systems in the field of production of molecules,
purification of molecules, process control, process analysis
calculations, process simulation, process optimization. Apparatus for the treatment of liquids and particularly ion
exchangers; water filtration apparatus; apparatus for
purifying water; chromatography apparatus and installations
for industrial use; installations for the treatment of
aqueous solutions or suspensions. Engineering; inspection of factories and machines;
technological audits; scientific and technological services
in the field of chromatography, electrodialysis, membrane
filtering, ion exchange, enzyme and fermentation processes;
research services in the field of chromatography,
electrodialysis, membrane filtering, ion exchange, enzyme
and fermentation processes; chemistry services; testing and
evaluation of products and materials; laboratory services
for chromatographic analysis, electrodialysis, membrane
filtering; design of processes for processing,
transforming, purifying, enriching liquids, molecules or raw
materials for others.
19.
Fluid distribution unit for a chromatography column
The invention relates to a fluid distributor (9, 10) for a column (1) comprising at least one cell (2) containing a bed of particles (3), the fluid distributor (9, 10) comprising: —a floor (11, 21) comprising at least one injection point (15, 25) providing a fluidic connection on either side thereof; —a layer of a resistive medium (12, 22) fixed on one face of the floor (11, 21), the resistive medium being permeable to the fluid; —a spacing device (13, 23) inserted between the floor (11, 21) and the layer of resistive medium (12, 22) and maintaining a space for the circulation of the fluid between the floor (11, 21) and the layer of resistive medium (12, 22). The invention also relates to a column, in particular a chromatography column, provided with this fluid distributor.
B01D 15/10 - Selective adsorption, e.g. chromatography characterised by constructional or operational features
B01D 15/14 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the introduction of the feed to the apparatus
B01D 15/22 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the construction of the column
B01D 24/00 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
B01D 24/14 - Downward filtration, the container having distribution or collection headers or pervious conduits
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Chemicals, namely chlorinated, acidic, basic and enzyme products, for the purification and concentration of liquids in the fields of the food and beverage industry, the biotechnology and chemical industry; ionexchange resins for the purification and concentration of liquids in the fields of the food and beverage industry, the biotechnology and chemical industry; chromatography chemicals; enzyme products for industrial use, namely enzymes used in the fields of the food and beverage industry, the biotechnology and chemical industry; ferments for chemical use, namely bacteria used in the fields of the food and beverage industry, the biotechnology and chemical industry; filtering media such as ultrafiltration, microfiltration, nanofiltration, reverse-osmosis, electrodialysis membranes, namely porous filtration membranes for the purification and concentration of liquids in the fields of the food and beverage industry, the biotechnology and chemical industry.
(2) Electrodialysis machines for industrial use; membrane filtration, ultrafiltration, microfiltration, nanofiltration, reverse-osmosis machines and installations for the purification and concentration of liquids in the fields of the food and beverage industry, the biotechnology and chemical industry, namely membrane filters used as machine parts; apparatus for the treatment of liquids and, in particular, ion exchangers, namely apparatus for demineralizing aqueous solutions and suspensions.
(3) Laboratory centrifuges; chromatography apparatus and installations for laboratories, namely chromatography apparatus for laboratories, chromatography columns for laboratory use; laboratory apparatus and installations for implementing enzyme and fermentation processes, namely enzyme reactors, fermentation tanks in the fields of the food, beverage, biotechnology, and chemical industries; ion-exchange apparatus and installations for laboratory use, namely apparatus for demineralizing aqueous solutions and suspensions for laboratory use; electrodialysis apparatus and installations for laboratory use, namely electrodialysis units for laboratories; membrane filtration, ultrafiltration, microfiltration, nanofiltration, reverse-osmosis machines and installations for laboratory use; process control algorithms and calculations for laboratory centrifuges, process analysis calculations for laboratory apparatuses and installations for operating enzymatic and fermentation processes in the fields of the food, beverage, biotechnology, and chemical industries; process control algorithms and calculations for ion exchange, electrodialysis, filtration, chromatography apparatuses and installations for laboratory use, in the fields of the food, beverage, biotechnology, and chemical industries; chromatography apparatus and installations for industrial use, namely apparatus for automatic chromatography
(4) Apparatus for the treatment of liquids, and, in particular, ion exchangers, namely water ionizers for industrial use; water filtration apparatus, namely water filters for industrial use in the specific field of industrial treatment of liquids; water purification apparatus, namely reverse-osmosis water purification systems in the field of industrial treatment of liquids; installations for treating aqueous solutions and suspensions, namely distillers for the chemical treatment of aqueous solutions and suspensions. (1) Mechanical engineering, chemical engineering, electrical engineering and automation engineering, in the fields of the food, beverage, biotechnology, and chemical industries all relating to the specific field of industrial treatment of liquids; inspection of factories and machines, namely quality control in the fields of the food, beverage, biotechnology, and chemical industries all relating to the specific field of industrial treatment of liquids; technological audits, namely supervision and technical inspection in the fields of the food, beverage, biotechnology, and chemical industries all relating to the specific field of industrial treatment of liquids; scientific and technological services in the fields of chromatography, electrodialysis, porous membrane filtration, ion exchange, enzyme and fermentation processes, namely biochemical research and analysis, development and testing of product manufacturing methods, in the fields of the food, beverage, biotechnology, and chemical industries; research services in the fields of chromatography, electrodialysis, porous membrane filtration, ion exchange, bacterial fermentation and enzyme processes; chemistry services, namely chemical research; testing and evaluation of products for the concentration and purification of liquids in the fields of the food, beverage, biotechnology, and chemical industries all relating to the specific field of industrial treatment of liquids; porous membrane filtration, electrodialysis, chromatography analysis laboratory services; development of processes for the treatment, processing, purification, concentration of liquids in the fields of the food, beverage, biotechnology, and chemical industries, for others.
21.
Method for purifying glycol used as a hydrate inhibitor
collecting a fraction at the outlet of the chromatographic unit;
the collected fraction being enriched with glycol and depleted of monovalent ions and multivalent ions relative to the flow.
The invention also concerns an installation adapted to implement this method, and its application to the regeneration of an anti-hydrate agent.
B01D 15/24 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the treatment of the fractions to be distributed
C10L 3/10 - Working-up natural gas or synthetic natural gas
B01D 15/18 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
C07C 29/76 - SeparationPurificationStabilisationUse of additives by physical treatment
B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
C07C 41/36 - SeparationPurificationStabilisationUse of additives by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by chemisorption
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
42 - Scientific, technological and industrial services, research and design
Goods & Services
Chemicals for the industrial treatment of water, liquids from organic synthesis, liquids from chemical synthesis, liquids containing sugars and sugar derivatives; Ion exchange product sets comprised primarily of ion exchange resins and also including gravel; Chromatography chemicals; Enzymes for industrial purposes; Ferments for industrial purposes; Mineral and organic filtering materials in the nature of filtering membranes being chemical preparations, namely, ultrafiltration, microfiltration, nanofiltration, reverse osmosis, and electrodialysis membranes Industrial electrodialysis machines for use with aqueous and solvent solutions or suspensions other than for water treatment, purification, or filtration; Filtering machines using membranes for chemical and physical processing, especially for ultrafiltration, microfiltration, nanofiltration, and reverse osmosis Laboratory centrifuges; Chromatography apparatus and installations for laboratory use; Laboratory apparatus and installations for operating enzymatic and fermentation processes; Ion-exchange, electrodialysis, filtration chromatography apparatus and installations for laboratory use; control algorithms and calculations for laboratory centrifuges; control algorithms and calculations for chromatography apparatus and installations for laboratory use; control algorithms and calculations for laboratory apparatus and installations for operating enzymatic and fermentation processes; control algorithms and calculations for ionexchange, electrodialysis, filtration chromatography apparatus and installations for laboratory use Water treatment apparatus, namely, ion exchangers; Water filtration apparatus in the field of industrial treatment of liquids; Apparatus for purifying water in the field of industrial treatment of liquids; Chromatography apparatus for industrial use; Water treatment apparatus in the nature of installations for the treatment of aqueous solutions or suspensions Engineering in the field of industrial treatment of liquids; Inspection of factories and machines for quality control purposes in the field of industrial treatment of liquids; Technological audits in the nature of safety auditing, energy auditing, and engineering surveys in the field of industrial treatment of liquids; Scientific and technological consultation services in the field of chromatography, electrodialysis, filtering membrane, ion exchange, enzyme and fermentation processes; Research services in the field of chromatography, electrodialysis, filtering membrane, ion exchange, enzyme and fermentation processes; Research and consultation services in the field of chemistry; Conducting tests and evaluations of products for others in the field of industrial treatment of liquids; Laboratory services, namely, chromatographic analysis, electrodialysis, and filtering membrane; Design of engineering processes for processing, transforming, purifying, and enriching liquids, molecules, and raw materials for others
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
42 - Scientific, technological and industrial services, research and design
Goods & Services
Chemicals for the industrial treatment of liquids; ion
exchange products and resins; chromatography chemicals;
enzyme products for industrial purposes; ferments for
chemical use; filtering materials, such as ultrafiltration,
microfiltration, nanofiltration, reverse osmosis,
electrodialysis membranes. Electrodialysis machines for industrial use; membrane
filtering machines and installations, especially for
ultrafiltration, microfiltration, nanofiltration, reverse
osmosis. Laboratory centrifuges; apparatus and installations for
laboratory chromatography; laboratory apparatus and
installations for operating enzymatic or fermentation
processes; apparatus and installations for ion exchangers,
electrodialysis, filtation, all the aforementioned apparatus
and installations for laboratory use; software in the field
of the production of molecules, purification of molecules,
process control, process analysis calculations, process
simulation, process optimization; programmable automated
systems in the field of production of molecules,
purification of molecules, process control, process analysis
calculations, process simulation, process optimization. Apparatus for the treatment of liquids and particularly ion
exchangers; water filtration apparatus; apparatus for
purifying water; chromatography apparatus and installations
for industrial use; installations for the treatment of
aqueous solutions or suspensions. Engineering; inspection of factories and machines;
technological audits; scientific and technological services
in the field of chromatography, electrodialysis, membrane
filtering, ion exchange, enzyme and fermentation processes;
research services in the field of chromatography,
electrodialysis, membrane filtering, ion exchange, enzyme
and fermentation processes; chemistry services; testing and
evaluation of products and materials; laboratory services
for chromatographic analysis, electrodialysis, membrane
filtering; design of processes for processing,
transforming, purifying, enriching liquids, molecules or raw
materials for others.
a second elution step with an aqueous solution of eluent having a pH greater than the pH of the first step, giving the possibility of collecting a flow enriched in the amino acid.
C07D 209/20 - Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals substituted additionally by nitrogen atoms, e.g. tryptophane
C07D 233/64 - Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms, e.g. histidine
C07C 229/34 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton containing six-membered aromatic rings
The subject of the present disclosure is a multi-column sequenced separation process and a drive for implementing this process. The disclosure applies particularly to the separation of metal derivatives such as uranium, nickel, copper, cobalt and other precious metals present in leaching effluents in hydrometallurgical processes.
The subject of the present invention is a multi-column sequenced separation process and a device for implementing this process. The invention applies particularly to the separation of metal derivatives such as uranium, nickel, copper, cobalt and other precious metals present in leaching effluents in hydrometallurgical processes.
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
11 - Environmental control apparatus
Goods & Services
Organic and/or mineral chemicals used in the manufacture of
filter elements, filters and filtering membranes. Filtering equipment for machines; ceramic membranes. Filtering equipment for industrial installations.
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
11 - Environmental control apparatus
Goods & Services
[ ORGANIC AND MINERAL CHEMICALS FOR USE IN THE MANUFACTURE OF FILTERING MATERIALS, FILTERS AND FILTERING MEMBRANES EXCEPT CHEMICALS AND ADSORBENTS FOR USE IN CHROMATOGRAPHY; ] CERAMIC MEMBRANES FOR USE IN SEPARATION PROCESSES [ AND CHEMICAL PROCESSES ] FOR USE IN THE INDUSTRIES OF FOOD, DAIRY, BREWERY, SOFT DRINK, [ CANNING FACTORIES,] FERMENTATION, PHARMACEUTICALS AND CHEMICALS, BIOCHEMICALS, [ OIL LUBRICATION, WATER TREATMENT ] MACHINE PARTS, NAMELY, [ OIL FILTERS, ] FILTER ELEMENTS AND CERAMIC MEMBRANES FOR USE IN [ INDUSTRIAL OIL, LUBRICATION FILTRATION EQUIPMENT AND ] SEPARATION PROCESSES USED IN FACTORIES AND MANUFACTURING PLANTS FILTRATION EQUIPMENT FOR USE IN INDUSTRIAL APPLICATIONS, NAMELY, INDUSTRIAL MEMBRANE FILTERS FOR USE IN THE FOOD, DAIRY, BIOCHEMICAL AND RELATED INDUSTRIAL; CERAMIC MEMBRANES FOR FILTERING USED IN THE FIELDS OF FOOD, DAIRY, BREWERY, SOFT DRINK INDUSTRIES, [ CANNING FACTORIES, ] FERMENTATION AND PHARMACEUTICAL INDUSTRY AND CHEMICAL INDUSTRY
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
11 - Environmental control apparatus
Goods & Services
Produits pour le traitement des liquides non compris dans
d'autres classes à savoir, échangeurs d'ions. Appareils pour le traitement des liquides et, en
particulier, échangeurs d'ions; machines mettant en oeuvre
des échangeurs d'ions. Installations mettant en oeuvre des échangeurs d'ions,
appareils pour le traitement des liquides et, en
particulier, échangeurs d'ions.
