FR2327327A1 - Procede pour ameliorer la selectivite des diaphragmes dans les cellules d'electrolyse chlore-alcali - Google Patents
Procede pour ameliorer la selectivite des diaphragmes dans les cellules d'electrolyse chlore-alcaliInfo
- Publication number
- FR2327327A1 FR2327327A1 FR7630017A FR7630017A FR2327327A1 FR 2327327 A1 FR2327327 A1 FR 2327327A1 FR 7630017 A FR7630017 A FR 7630017A FR 7630017 A FR7630017 A FR 7630017A FR 2327327 A1 FR2327327 A1 FR 2327327A1
- Authority
- FR
- France
- Prior art keywords
- selectivity
- diaphragms
- chlorine
- improving
- electrolysis cells
- 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
- 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
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
- C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2371/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08J2371/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08J2371/12—Polyphenylene oxides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61960675A | 1975-10-06 | 1975-10-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2327327A1 true FR2327327A1 (fr) | 1977-05-06 |
FR2327327B1 FR2327327B1 (fr) | 1980-07-25 |
Family
ID=24482598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7630017A Granted FR2327327A1 (fr) | 1975-10-06 | 1976-10-06 | Procede pour ameliorer la selectivite des diaphragmes dans les cellules d'electrolyse chlore-alcali |
Country Status (7)
Country | Link |
---|---|
US (1) | US4089759A (fr) |
JP (1) | JPS5246380A (fr) |
DE (1) | DE2644443B2 (fr) |
FR (1) | FR2327327A1 (fr) |
GB (1) | GB1562945A (fr) |
IT (1) | IT1069815B (fr) |
NL (1) | NL7610922A (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4181592A (en) * | 1976-05-21 | 1980-01-01 | Diamond Shamrock Corporation | Converting a diaphragm electrolytic cell to a membrane electrolytic cell |
SE453603B (sv) * | 1977-11-02 | 1988-02-15 | Asahi Glass Co Ltd | Forfarande for atervinning av elektrokemiska egenskaper for katjonbytarmembranmaterial |
JPS5544549A (en) * | 1978-09-26 | 1980-03-28 | Asahi Glass Co Ltd | Fluorine-contained cation exchange membrane for electrolysis |
US4242184A (en) * | 1979-03-28 | 1980-12-30 | Olin Corporation | Membrane cell chlor-alkali process having improved overall efficiency |
US4470889A (en) * | 1980-06-11 | 1984-09-11 | The Dow Chemical Company | Electrolytic cell having an improved ion exchange membrane and process for operating |
US4358545A (en) * | 1980-06-11 | 1982-11-09 | The Dow Chemical Company | Sulfonic acid electrolytic cell having flourinated polymer membrane with hydration product less than 22,000 |
US4468360A (en) * | 1981-12-21 | 1984-08-28 | Olin Corporation | Preparing porous diaphragms for electrolytic cells having non-uniform hydrophobicity |
US4818365A (en) * | 1986-10-14 | 1989-04-04 | Monsanto Company | Solid state indicator electrode and method of making same |
US5069974A (en) * | 1989-02-06 | 1991-12-03 | Monsanto Company | Metals coated with protective coatings of annealed perfluorinated cation-exchange polymers and method for making same |
WO1994007274A1 (fr) * | 1990-06-11 | 1994-03-31 | The Dow Chemical Company | Membrane d'echange d'ions a efficacite accrue, utilisee au cours de procedes d'echange de protons |
US5302269A (en) * | 1990-06-11 | 1994-04-12 | The Dow Chemical Company | Ion exchange membrane/electrode assembly having increased efficiency in proton exchange processes |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2254596A1 (fr) * | 1973-12-17 | 1975-07-11 | Du Pont |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3257334A (en) * | 1963-01-21 | 1966-06-21 | American Mach & Foundry | Electrodialysis membrane from perhalogenated fluorocarbons |
US3282875A (en) * | 1964-07-22 | 1966-11-01 | Du Pont | Fluorocarbon vinyl ether polymers |
US3948737A (en) * | 1971-12-27 | 1976-04-06 | Hooker Chemicals & Plastics Corporation | Process for electrolysis of brine |
US4026783A (en) * | 1973-12-17 | 1977-05-31 | E. I. Du Pont De Nemours And Company | Electrolysis cell using cation exchange membranes of improved permselectivity |
-
1976
- 1976-10-01 DE DE2644443A patent/DE2644443B2/de not_active Withdrawn
- 1976-10-01 NL NL7610922A patent/NL7610922A/xx not_active Application Discontinuation
- 1976-10-04 US US05/729,201 patent/US4089759A/en not_active Expired - Lifetime
- 1976-10-05 IT IT51580/76A patent/IT1069815B/it active
- 1976-10-05 GB GB41243/76A patent/GB1562945A/en not_active Expired
- 1976-10-06 FR FR7630017A patent/FR2327327A1/fr active Granted
- 1976-10-06 JP JP51119467A patent/JPS5246380A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2254596A1 (fr) * | 1973-12-17 | 1975-07-11 | Du Pont |
Also Published As
Publication number | Publication date |
---|---|
GB1562945A (en) | 1980-03-19 |
NL7610922A (nl) | 1977-04-12 |
DE2644443A1 (de) | 1977-04-14 |
IT1069815B (it) | 1985-03-25 |
DE2644443B2 (de) | 1978-08-31 |
JPS5246380A (en) | 1977-04-13 |
FR2327327B1 (fr) | 1980-07-25 |
US4089759A (en) | 1978-05-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2327327A1 (fr) | Procede pour ameliorer la selectivite des diaphragmes dans les cellules d'electrolyse chlore-alcali | |
ES430317A1 (es) | Perfeccionamientos en celulas electromagneticas. | |
SE7709548L (sv) | Monopoler, elektrolytisk membrancell | |
JPS526374A (en) | Anode structure for electrolysis | |
TR18094A (tr) | Elektroliz usulue ve tertibati | |
SU797594A3 (ru) | Способ электролиза водных растворовСОЕдиНЕНий НАТРи , КАли или иХ СМЕСи | |
GB2063918B (en) | Solid polymer electrolyte chlor-alkali process and electrolytic cell | |
FR2498208B1 (fr) | Procede d'electrolyse et cellule electrochimique | |
NO821434L (no) | Sammensatt membran/elektrode, fremgangsmaate ved fremstilling av samme, elektrokjemisk celle og fremgangsmaate ved elektrolyse av alkalimetallhalogenider | |
JPS5447877A (en) | Electrolyzing method for alkali metal chloride | |
GB1557812A (en) | Process and cell for the electrolytic production of hydroxide using ion exchange membranes | |
JPS5946316B2 (ja) | 電解法 | |
JPS5475497A (en) | Electrolyzing method for aqueous solution of sodium chloride | |
IL36934A (en) | An electrodialysis,electroysis and electrosynthesis cell having ion exchange membranes made of an acrylonitrile copolymer and method of electrolysing an ionic solution therein | |
RU1830059C (ru) | Способ получени низших насыщенных или ненасыщенных фторуглеводородов | |
JPS5284194A (en) | Electrolysis of alkali chloride | |
FR2219806A1 (en) | Diaphragm cell for chromic-sulphuric acid prodn. - with membrane near cathode and high anode-cathode surface ratio | |
SU423749A1 (ru) | Способ получения хлора электролизом раствора соляной кислоты | |
SU380106A1 (fr) | ||
SU415969A1 (ru) | Способ получени 4,4"-азобензолдикарбоновой кислоты | |
IT1047770B (it) | Perfezionamento nelle celle elettrolitiche a membrana permeabile in particolare per l impiego nella produzione di cloro ed idrossido di un metallo alcalino | |
JPS52120999A (en) | Electrolysis of alkali metal halides | |
JPS5216483A (en) | Electrolysis process | |
SU827600A1 (ru) | Способ получени неорганическогопЕРЕКиСНОгО СОЕдиНЕНи | |
SU1407106A1 (ru) | Способ получения хлора и гидроксида лития |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |