FR2359220A2 - Production de carbonates de metaux alcalins dans une cellule electrolytique a membrane - Google Patents
Production de carbonates de metaux alcalins dans une cellule electrolytique a membraneInfo
- Publication number
- FR2359220A2 FR2359220A2 FR7622194A FR7622194A FR2359220A2 FR 2359220 A2 FR2359220 A2 FR 2359220A2 FR 7622194 A FR7622194 A FR 7622194A FR 7622194 A FR7622194 A FR 7622194A FR 2359220 A2 FR2359220 A2 FR 2359220A2
- Authority
- FR
- France
- Prior art keywords
- alkali metal
- cell
- copolymer
- fluorinated copolymer
- formulae
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/14—Alkali metal compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
- C08J5/2218—Synthetic macromolecular compounds
- C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
- C08J5/2237—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2287—After-treatment
- C08J5/2293—After-treatment of fluorine-containing membranes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Metallurgy (AREA)
- Electrochemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
Le secteur technique de l'invention est celui de la production électrolytique de carbonate de métaux alcalins. L'invention se rapporte à l'obtention d'un carbonate de métal alcalin par électrolyse d'un chlorure de métal alcalin dans une cellule électrolytique à séparateur formé d'une pellicule de polymère fluoré ayant des groupes sulfonate et/ou sulfonamide avec injection d'anhydride carbonique dans le compartiment cathodique transformant l'hydroxyde de métal alcalin formé à la cathode en un sel de carbonate de métal alcalin, et utilisation d'une intensité de courant d'électrolyse qui réduit le chlorure de métal alcalin en sel carbonaté de façon que la concentration en chlorure de métal alcalin restant soit inférieure à 400 ppm. Application à la production de carbonate de métaux alcalins de grande pureté
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7622194A FR2359220A2 (fr) | 1976-07-21 | 1976-07-21 | Production de carbonates de metaux alcalins dans une cellule electrolytique a membrane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7622194A FR2359220A2 (fr) | 1976-07-21 | 1976-07-21 | Production de carbonates de metaux alcalins dans une cellule electrolytique a membrane |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2359220A2 true FR2359220A2 (fr) | 1978-02-17 |
FR2359220B2 FR2359220B2 (fr) | 1979-01-19 |
Family
ID=9175956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7622194A Granted FR2359220A2 (fr) | 1976-07-21 | 1976-07-21 | Production de carbonates de metaux alcalins dans une cellule electrolytique a membrane |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2359220A2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2398120A2 (fr) * | 1977-07-19 | 1979-02-16 | Diamond Shamrock Corp | Production de carbonates de metaux alcalins dans une cellule electrolytique a membrane |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1941847A1 (de) * | 1968-12-31 | 1970-07-23 | Bitterfeld Chemie | Verfahren zur Elektrolyse von Salzloesungen in Zellen mit Diaphragma |
JPS5177452A (ja) * | 1974-12-26 | 1976-07-05 | Toshiba Machine Co Ltd | Sakushonbureedoosonaetadaatsushiima |
FR2333824A1 (fr) * | 1975-08-29 | 1977-07-01 | Asahi Glass Co Ltd | Membrane fluoree echangeuse de cations et son application pour l'electrolyse d'un halogenure de metal alcalin |
US4065366A (en) * | 1975-10-17 | 1977-12-27 | Asahi Glass Co., Ltd. | Process for producing alkali metal hydroxide |
-
1976
- 1976-07-21 FR FR7622194A patent/FR2359220A2/fr active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1941847A1 (de) * | 1968-12-31 | 1970-07-23 | Bitterfeld Chemie | Verfahren zur Elektrolyse von Salzloesungen in Zellen mit Diaphragma |
JPS5177452A (ja) * | 1974-12-26 | 1976-07-05 | Toshiba Machine Co Ltd | Sakushonbureedoosonaetadaatsushiima |
FR2333824A1 (fr) * | 1975-08-29 | 1977-07-01 | Asahi Glass Co Ltd | Membrane fluoree echangeuse de cations et son application pour l'electrolyse d'un halogenure de metal alcalin |
US4065366A (en) * | 1975-10-17 | 1977-12-27 | Asahi Glass Co., Ltd. | Process for producing alkali metal hydroxide |
US4065366B1 (fr) * | 1975-10-17 | 1984-05-22 |
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2398120A2 (fr) * | 1977-07-19 | 1979-02-16 | Diamond Shamrock Corp | Production de carbonates de metaux alcalins dans une cellule electrolytique a membrane |
Also Published As
Publication number | Publication date |
---|---|
FR2359220B2 (fr) | 1979-01-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
CD | Change of name or company name | ||
TP | Transmission of property |