Abrégé

There are provided system for preparing lithium hydroxide from an aqueous composition comprising a lithium compound and use of the system thereof to prepare lithium hydroxide, the system comprising an electrochemical cell, a pH probe and at least one inlet for receiving acid or base for maintaining pH. For example, the lithium compound can be lithium sulphate and the aqueous composition can be at least substantially maintained at a pH having a value of about 2 to about 4.

Classes IPC  ?

• C25B 15/02 - Commande ou régulation des opérations
• B01D 61/44 - Électrodialyse à sélectivité ionique
• C25B 1/00 - Production électrolytique de composés inorganiques ou de non-métaux
• C25B 1/16 - Hydroxydes
• C25B 1/22 - Acides inorganiques
• C25B 9/19 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes
• C25B 9/21 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes avec plusieurs diaphragmes
• C25B 13/02 - DiaphragmesÉléments d'espacement caractérisés par la configuration ou la forme
• C25B 13/04 - DiaphragmesÉléments d'espacement caractérisés par le matériau
• C25B 15/023 - Mesure, analyse ou test pendant la production électrolytique
• C25B 15/027 - Température
• C25B 15/029 - Concentration
• C25B 15/031 - Concentration pH

Abrégé

The present invention relates to a method for preparing lithium hydroxide, comprising subjecting an aqueous composition (A), comprising lithium sulfate and sodium sulfate, to bipolar membrane electrodialysis; said step of bipolar membrane electrodialysis comprises processing in an electrodialyser comprising at least one electrodialysis cell (200) comprising a first compartment (220), supplied with water and delimited between a first bipolar membrane (250) and an anionic central membrane (230), and a second compartment (210), supplied with said aqueous composition (A) and delimited between said anionic central membrane (230) and a second bipolar membrane (240), then recovering, from said at least one electrodialysis cell (200), an aqueous composition (B) comprising lithium hydroxide and sodium sulfate, and subjecting it to a crystallisation step in order to prepare a salt.

Classes IPC  ?

• C25B 1/16 - Hydroxydes
• C25B 9/21 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes avec plusieurs diaphragmes
• C25B 15/031 - Concentration pH

Abrégé

The present invention relates to a process for preparing lithium hydroxide comprising subjecting an aqueous composition (A) comprising lithium sulphate and sodium sulphate to bipolar membrane electrodialysis; said bipolar membrane electrodialysis step comprises treatment on an electrodialyser comprising at least one electrodialysis cell (200) comprising a first compartment (220), supplied with water, and delimited between a first bipolar membrane (250) and a central anionic membrane (230), and a second compartment (210) fed with said aqueous composition (A), and delimited between said central anion membrane (230) and a second bipolar membrane (240), then recovering, from said at least one electrodialysis cell (200), an aqueous composition (B) comprising lithium hydroxide and sodium sulphate, and subjecting it to a crystallisation step for the preparation of a salt.

Classes IPC  ?

• C01D 15/02 - OxydesHydroxydes
• C01D 5/02 - Préparation de sulfates à partir de sels de métaux alcalins et d'acide sulfurique ou de bisulfatesPréparation de bisulfates

Abrégé

A process for manufacturing a demineralised milk protein composition (MPC2), comprising (i) providing a milk protein composition (MPC); (ii) electrodialysis of the milk protein composition (MPC) on an electrodialyser (5, 200), comprising unit cells (15, 215) comprising three compartments (20, 26, 30; 220, 226, 230) and configured to substitute at least one cation by at least one hydrogen ion H+ in the milk protein composition (MPC) to obtain an at least partially demineralised and acidified milk protein composition (MPC1); (iii) electrodialysis of the milk protein composition (MPC1) obtained in step (ii); and (iv) recovering the demineralised milk protein composition (MPC2).

Classes IPC  ?

• A23C 9/144 - Préparations à base de laitLait en poudre ou préparations à base de lait en poudre dans lesquelles la composition chimique du lait est modifiée par des traitements non chimiques par des moyens électriques, p. ex. par électrodialyse

Produits et services

Treatment, processing, separation and filtration of wine Apparatus and machines for making and preparing wine in the nature of beverage making and preparation machines, electromechanical; Membranes in the nature of filters being parts of apparatus and machines for making and preparing wine; apparatus and installations for processing wine in the nature of beverage processing machines; electrodialysers being electromechanical beverage preparation machines Electrodialysers being apparatus for measuring wine quality parameters and wine tartaric degree Wine filtering apparatus; Wine purification machines; Apparatus and installations for filtration and purification in the nature of tartaric stabilization, acidification and partial dealcoholisation of wine; electrodialysers being demineralization apparatus

Abrégé

The invention relates to a method for treating a milk protein composition in order to obtain a lactose-rich liquid composition, comprising a step ii) of ultrafiltration in order to obtain an ultrafiltration permeate and an ultrafiltration retentate; followed by a step of treatment on ion exchange resins (iv) comprising at least one pass comprising percolation on a cationic resin followed by percolation on an anionic resin.

Classes IPC  ?

• A23C 9/142 - Préparations à base de laitLait en poudre ou préparations à base de lait en poudre dans lesquelles la composition chimique du lait est modifiée par des traitements non chimiques par dialyse, osmose inverse ou ultrafiltration
• C07H 1/08 - SéparationPurification à partir de produits naturels
• C13K 5/00 - Lactose
• A23C 9/144 - Préparations à base de laitLait en poudre ou préparations à base de lait en poudre dans lesquelles la composition chimique du lait est modifiée par des traitements non chimiques par des moyens électriques, p. ex. par électrodialyse
• A23C 9/146 - Préparations à base de laitLait en poudre ou préparations à base de lait en poudre dans lesquelles la composition chimique du lait est modifiée par des traitements non chimiques par échange d'ions

Abrégé

A method for the processing a dairy protein composition in order to obtain a lactose-rich liquid composition, including an ultrafiltration step (ii) in order to obtain an ultrafiltration permeate and an ultrafiltration retentate; followed by a processing step (iv) on ion-exchange resins, including at least one pass including percolation over a cationic resin followed by percolation over an anionic resin.

Classes IPC  ?

• A23C 9/142 - Préparations à base de laitLait en poudre ou préparations à base de lait en poudre dans lesquelles la composition chimique du lait est modifiée par des traitements non chimiques par dialyse, osmose inverse ou ultrafiltration
• A23J 3/08 - Protéines du lait

Abrégé

A process for manufacturing a demineralized milk protein composition, including a step (ii) of electrodialysis of a milk protein composition on an electrodialyzer, the unit cells of which have three compartments, and configured to substitute at least one cation by at least one hydrogen ion H+ in the milk protein composition to obtain an at least partially demineralized and acidified milk protein composition; a step (iii) of electrodialysis of the milk protein composition obtained in step (ii) on an electrodialyzer, the unit cells of which have three compartments, and configured so as to substitute at least one anion by at least one hydroxyl ion OH− in the milk protein composition.

Classes IPC  ?

• A23C 9/144 - Préparations à base de laitLait en poudre ou préparations à base de lait en poudre dans lesquelles la composition chimique du lait est modifiée par des traitements non chimiques par des moyens électriques, p. ex. par électrodialyse
• A23C 9/142 - Préparations à base de laitLait en poudre ou préparations à base de lait en poudre dans lesquelles la composition chimique du lait est modifiée par des traitements non chimiques par dialyse, osmose inverse ou ultrafiltration
• B01D 61/52 - AccessoiresOpérations auxiliaires
• B01D 61/48 - Appareils à cet effet ayant un ou plusieurs compartiments remplis d'un matériau échangeur d'ions

Abrégé

The present invention relates to a method for manufacturing a demineralised dairy protein composition (CPL2), comprising the following steps: i) - supplying a dairy protein composition (CPL); (ii) - electrodialysing the dairy protein composition (CPL) on an electrodialyser (5, 200), comprising cellular units (15, 215) comprising three compartments (20, 26, 30; 220, 226, 230), and configured to substitute at least one cation with at least one hydrogen ion H+ in the dairy protein composition (CPL) to obtain an at least partially demineralised and acidified dairy protein composition (CPL1); (iii) - electrodialysing the dairy protein composition (CPL1) obtained in step (ii); (iv) - recovering the demineralised dairy protein composition (CPL2).

Classes IPC  ?

• A23C 9/144 - Préparations à base de laitLait en poudre ou préparations à base de lait en poudre dans lesquelles la composition chimique du lait est modifiée par des traitements non chimiques par des moyens électriques, p. ex. par électrodialyse
• A23C 21/00 - Petit-laitPréparations à base de petit-lait
• A23C 9/152 - Préparations à base de laitLait en poudre ou préparations à base de lait en poudre comportant des additifs

Abrégé

Process for producing a demineralised dairy-based protein composition (CPL2), comprising a step (ii) of electrodialysis of a dairy-based protein composition (CPL) on an electrodialyser (5), of which the cellular units (15) have three compartments (20, 26, 30) and which is configured to substitute at least one cation with at least one hydrogen ion H+ in the dairy-based protein composition (CPL) in order to obtain a dairy-based protein composition which is at least partially demineralised and acidified (CPL1); a step (iii) of electrodialysis of the dairy-based protein composition (CPL1) obtained in step (ii) on an electrodialyser (10), of which the cellular units (35) have three compartments (39, 43, 47) and which is configured to substitute at least one anion with at least one hydroxyl ion OH- in the dairy-based protein composition (CPL1); and demineralised dairy-based protein composition (CPL2) which can be obtained by the process.

Classes IPC  ?

• A23C 9/144 - Préparations à base de laitLait en poudre ou préparations à base de lait en poudre dans lesquelles la composition chimique du lait est modifiée par des traitements non chimiques par des moyens électriques, p. ex. par électrodialyse
• A23C 21/00 - Petit-laitPréparations à base de petit-lait
• A23C 9/152 - Préparations à base de laitLait en poudre ou préparations à base de lait en poudre comportant des additifs

Produits et services

(1) Machines pour la stabilisation ou l'ajustement du PH du vin et du jus de raisin par électrodialyse (2) Appareils scientifiques nommément un cryostat pour l'analyse ou le contrôle de la stabilité du vin et du jus de raisin; logiciels destinés à l'analyse et au contrôle de la stabilité des vins et jus de raisin. (1) Services d'analyse et de contrôle de la stabilité du vin et du jus de raisin ; recherche et développement de procédés d'analyse et de contrôle de la stabilité des vins et jus de raisin.

Produits et services

(1) Machines pour la stabilisation ou l'ajustement du PH du vin et du jus de raisin par électrodialyse (2) Appareils scientifiques nommément un cryostat pour l'analyse ou le contrôle de la stabilité du vin et du jus de raisin; logiciels destinés à l'analyse et au contrôle de la stabilité des vins et jus de raisin. (1) Services d'analyse et de contrôle de la stabilité du vin et du jus de raisin ; recherche et développement de procédés d'analyse et de contrôle de la stabilité des vins et jus de raisin.

Produits et services

Machines for stabilizing or adjusting the pH in wine and grape juice by means of electrodialysis Scientific apparatus for analysing or controlling the stability of wine and grape juice, namely, cryostat; Computer software for analysing and controlling the stability of wine and grape juice Testing and analysis of the stability of wine and grape juice for others; Research and development of processes for analysing and controlling the stability of wines and grape juice

Produits et services

Machines for stabilizing or adjusting the pH in wine and grape juice by means of electrodialysis Scientific apparatus for analysing or controlling the stability of wine and grape juice, namely, cryostat; Computer software for analysing and controlling the stability of wine and grape Testing and analysis of the stability of wine and grape juice for others; Research and development of processes for analysing and controlling the stability of wines and grape juice

Produits et services

Apparatus and machines for making and preparing wine; Machines for stabilising or adjusting the pH in wine and grape juice by means of electrodialysis. Scientific apparatus for analysing or controlling the stability of wine and grape juice; Computer software for analysing and controlling the stability of wine and grape juice. Apparatus and installations for processing, tartaric stabilisation and filtration, acidification and partial dealcoholisation of wine and grape juice. Stabilisation or adjustment of the pH in wine and grape juice by means of electrodialysis. Analysis and control of the stability of wine and grape juice; Research and development of processes for analysing and controlling the stability of wines and grape juice.

Produits et services

Apparatus and machines for making and preparing wine; Machines for stabilising or adjusting the pH in wine and grape juice by means of electrodialysis. Scientific apparatus for analysing or controlling the stability of wine and grape juice; Computer software for analysing and controlling the stability of wine and grape juice. Apparatus and installations for processing, tartaric stabilisation and filtration, acidification and partial dealcoholisation of wine and grape juice. Stabilisation or adjustment of the pH in wine and grape juice by means of electrodialysis. Analysis and control of the stability of wine and grape juice; Research and development of processes for analysing and controlling the stability of wines and grape juice.

Produits et services

Apparatus and machines for making and preparing wine; Membranes (parts of apparatus and machines for making and preparing wine). Electrodialysers. Wine filtering apparatus; Wine purification machines; Apparatus and installations for processing, filtration and tartaric stabilisation, acidification and partial dealcoholisation of wine. Treatment, processing, separation and filtration of wine.

Produits et services

Machines for the stabilization or pH adjustment of wine and grape juice by electrodialysis

Produits et services

Industrial installations and machinery for the processing, transformation, purification, enrichment of liquids, molecules or raw materials, for the chemical, pharmaceutical or food industries. Scientific, measuring, checking (supervision) apparatus and instruments; Chromatography apparatus for laboratory use. Chromatography apparatus for industrial purposes. Testing; Product evaluation; And materials; Chromatographic analysis laboratories; Design of processes for the processing, transformation, purification, enrichment of liquids, molecules or raw materials, for others; Chromatographic analysis; Chemical testing and analysis.

Produits et services

Industrial installations and machinery for the processing, transformation, purification, enrichment of liquids, molecules or raw materials, for the chemical, pharmaceutical or food industries. Scientific, measuring, checking (supervision) apparatus and instruments; Chromatography apparatus for laboratory use. Chromatography apparatus for industrial purposes. Testing; Product evaluation; And materials; Chromatographic analysis laboratories; Design of processes for the processing, transformation, purification, enrichment of liquids, molecules or raw materials, for others; Chromatographic analysis; Chemical testing and analysis.

Produits et services

Machines à filtrer; filtres (parties de machines); appareils et machines pour la fabrication et la préparation des vins; membranes de pompes; appareils et installations pour le traitement, la filtration ainsi que la stabilisation tartrique des vins; machines de purification du vin. Electrodialyseurs. Appareils à filtrer l'eau et/ou le vin; machines de purification de l'eau; filtres (parties d'installations industrielles). Services de traitement, de transformation, de séparation, de filtration de l'eau et/ou du vin.

Abrégé

In the membrane exchange device, an electrodialyser, with at least two compartments, each compartment defines a circuit for a given liquid and comprises a stack of membranes and dividing frames. Each frame is constituted of a joint member, the central part of which is a cavity that comprises a structure with holes (20). All the joint members (7, 8) and all the membranes (12) of a given circuit are pierced by the same flow orifices (13, 14, 23, 24) which, in the stack, form the piping for the entry and exit of the corresponding liquid. All the joint members of a given circuit are equipped with the same distribution channels connecting the flow orifices to the central cavity. The joint members of a given compartment are thicker than those of the other joint members or the other compartments and the flow space of the distribution channels and flow orifices of said given compartment is larger than that of the other distribution channels or other compartments. Said thickness and flow space are determined, for each compartment, so that the loss in charge at the membranes, due to the circulation of the liquid, is practically the same in each compartment.

Classes IPC  ?

• B01D 61/50 - Empilements du type à plaque et cadre
• B01D 63/08 - Modules à membranes planes

Produits et services

Separation technology installations and machines for use in the chemical, pharmaceutical and food industries (included in class 7). Equipment, apparatus and instruments for use in the chemical, pharmaceutical and food industries (included in class 9). Installation of separation technology devices for use in the chemical, pharmaceutical and food industries, and consultancy with regard thereto. Custom-manufacture of separation technology devices for use in the chemical, pharmaceutical and food industries, and consultancy with regard thereto. Construction of separation technology devices for use in the chemical, pharmaceutical and food industries, and consultancy and engineering services with regard thereto.

Produits et services

Electrical, electrotechnical, electronic, dialyzer and electrodialyzer apparatus and devices, particularly for desalination of water; apparatus and devices for analysis, measurement and testing of solid, liquid or gaseous substances. Filters.