ZA74752B - Electrolysis method and apparatus - Google Patents
Electrolysis method and apparatusInfo
- Publication number
- ZA74752B ZA74752B ZA740752A ZA74752A ZA74752B ZA 74752 B ZA74752 B ZA 74752B ZA 740752 A ZA740752 A ZA 740752A ZA 74752 A ZA74752 A ZA 74752A ZA 74752 B ZA74752 B ZA 74752B
- Authority
- ZA
- South Africa
- Prior art keywords
- electrolysis method
- electrolysis
- Prior art date
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
- C08J5/2206—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
- 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
- C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
- C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/335,975 US3976549A (en) | 1973-02-26 | 1973-02-26 | Electrolysis method |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA74752B true ZA74752B (en) | 1974-12-24 |
Family
ID=23314037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA740752A ZA74752B (en) | 1973-02-26 | 1974-02-05 | Electrolysis method and apparatus |
Country Status (23)
Country | Link |
---|---|
US (2) | US3976549A (it) |
JP (1) | JPS49117399A (it) |
AT (1) | AT328471B (it) |
AU (1) | AU474158B2 (it) |
BE (1) | BE811412A (it) |
BR (1) | BR7401170D0 (it) |
CA (1) | CA1000652A (it) |
DD (1) | DD109986A5 (it) |
ES (2) | ES423615A1 (it) |
FR (1) | FR2218942B1 (it) |
GB (1) | GB1431733A (it) |
IL (1) | IL44138A (it) |
IN (1) | IN141348B (it) |
IT (1) | IT1006372B (it) |
MX (1) | MX3510E (it) |
NL (1) | NL7402414A (it) |
NO (1) | NO139565C (it) |
PH (1) | PH12133A (it) |
PL (1) | PL88719B1 (it) |
RO (1) | RO70890A (it) |
SU (1) | SU784799A3 (it) |
TR (1) | TR18094A (it) |
ZA (1) | ZA74752B (it) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4147599A (en) * | 1977-07-19 | 1979-04-03 | Diamond Shamrock Corporation | Production of alkali metal carbonates in a cell having a carboxyl membrane |
US4166014A (en) * | 1973-12-27 | 1979-08-28 | Tokuyama Soda Kabushiki Kaisha | Electrolytic diaphragms, and method of electrolysis using the same |
US4169023A (en) * | 1974-02-04 | 1979-09-25 | Tokuyama Soda Kabushiki Kaisha | Electrolytic diaphragms, and method of electrolysis using the same |
AR205953A1 (es) * | 1975-01-22 | 1976-06-15 | Diamond Shamrock Corp | Produccion de carbonatos de metales a calinos en una celula de membrana |
JPS5214584A (en) * | 1975-07-25 | 1977-02-03 | Asahi Glass Co Ltd | Electrodialysis method of a base-containing solution |
US4110265A (en) * | 1977-03-01 | 1978-08-29 | Ionics Inc. | Ion exchange membranes based upon polyphenylene sulfide |
JPS5460294A (en) * | 1977-10-21 | 1979-05-15 | Asahi Glass Co Ltd | Electrolysis of aqueous alkali chrolide |
JPS5484892A (en) * | 1977-12-19 | 1979-07-06 | Asahi Chem Ind Co Ltd | Electrolysis of sodium chloride employing cation exchange membrane |
US4235694A (en) * | 1978-10-06 | 1980-11-25 | Hall Frederick F | Electrolytic cells for hydrogen gas production |
US4242193A (en) * | 1978-11-06 | 1980-12-30 | Innova, Inc. | Layered membrane and processes utilizing same |
US4544458A (en) * | 1978-11-13 | 1985-10-01 | E. I. Du Pont De Nemours And Company | Fluorinated ion exchange polymer containing carboxylic groups, process for making same, and film and membrane thereof |
US4416757A (en) * | 1978-12-22 | 1983-11-22 | Olin Corporation | Coated thermoplastic polymer diaphragms and a method for their preparation |
IT1166581B (it) * | 1979-01-17 | 1987-05-05 | Oronzio De Nora Impianti | Membrane cationiche a base di copolimeri solfonati di stirene divinilbenzene e 2- o 4-vinilpiridina o acido acrilico, procedimento per la loro preparazione ed uso in celle di elettrolisi |
IT1113412B (it) * | 1979-02-15 | 1986-01-20 | Oronzio De Nora Impianti | Procedimento eletttrolitico ed apparecchiatura per la preparazione di ipoalogenito di metallo alcalino |
US4253923A (en) * | 1979-06-01 | 1981-03-03 | Olin Corporation | Electrolytic process for producing potassium hydroxide |
US4289601A (en) * | 1979-11-30 | 1981-09-15 | Olin Corporation | Diaphragm structure for electrolytic cells for the electrolysis of aqueous salt solutions |
US4276145A (en) * | 1980-01-31 | 1981-06-30 | Skala Stephen F | Electrolytic anolyte dehydration of castner cells |
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 |
US4337137A (en) * | 1980-06-11 | 1982-06-29 | The Dow Chemical Company | Composite ion exchange membranes |
US4332662A (en) * | 1980-07-07 | 1982-06-01 | Hooker Chemicals & Plastics Corp. | Electrolytic cell having a depolarized cathode |
US4331521A (en) * | 1981-01-19 | 1982-05-25 | Oronzio Denora Impianti Elettrochimici S.P.A. | Novel electrolytic cell and method |
JPS57131376A (en) * | 1981-02-06 | 1982-08-14 | Japan Atom Energy Res Inst | Electrolyzing method for water |
US4490484A (en) * | 1981-10-21 | 1984-12-25 | E. I. Du Pont De Nemours And Company | Membrane assembly, electrochemical cell, and electrolysis process using perfluorinated sandwich type membrane |
US4544471A (en) * | 1981-11-02 | 1985-10-01 | E. I. Du Pont De Nemours And Company | Electrolytic cell with cation exchange membrane having high equivalent weight component |
JPS58501630A (ja) * | 1982-01-04 | 1983-09-29 | イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− | 多層カチオン性イオン交換膜の製造方法 |
JPS61130347A (ja) * | 1984-11-30 | 1986-06-18 | Asahi Glass Co Ltd | 新規な電解用複層隔膜 |
US5041197A (en) * | 1987-05-05 | 1991-08-20 | Physical Sciences, Inc. | H2 /C12 fuel cells for power and HCl production - chemical cogeneration |
US5362368A (en) * | 1993-06-03 | 1994-11-08 | Scott Lynn | Chlorine generator |
US5654109A (en) * | 1995-06-30 | 1997-08-05 | The Dow Chemical Company | Composite fuel cell membranes |
US5567283A (en) * | 1995-09-28 | 1996-10-22 | Lynn; Scott | Caustic concentration regulator for chlorine generators |
KR20030065856A (ko) * | 2002-02-01 | 2003-08-09 | 주식회사 동우워터텍 | 염소-수산화나트륨 생산을 위한 전기분해조 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1082286A (en) * | 1912-10-02 | 1913-12-23 | Niagara Alkali Company | Diaphragm for electrolytic apparatus. |
US1929923A (en) * | 1929-09-16 | 1933-10-10 | American Anode Inc | Permeable diaphragm |
US2293928A (en) * | 1938-08-12 | 1942-08-25 | American Anode Inc | Article comprising porous rubber |
US2967807A (en) * | 1952-01-23 | 1961-01-10 | Hooker Chemical Corp | Electrolytic decomposition of sodium chloride |
US2903406A (en) * | 1956-06-28 | 1959-09-08 | Clayton Manufacturing Co | Conducting diaphragms |
US2794777A (en) * | 1956-08-27 | 1957-06-04 | Clayton Manufacturing Co | Electrolytic deionization |
US3017338A (en) * | 1958-03-03 | 1962-01-16 | Diamond Alkali Co | Electrolytic process and apparatus |
US3214362A (en) * | 1961-01-09 | 1965-10-26 | Ionics | Electrolysis of aqueous electrolyte solutions and apparatus therefor |
US3282875A (en) * | 1964-07-22 | 1966-11-01 | Du Pont | Fluorocarbon vinyl ether polymers |
US3607706A (en) * | 1967-08-04 | 1971-09-21 | Ionics | Method of making stable laminated cation-exchange membranes |
GB1246447A (en) * | 1967-09-26 | 1971-09-15 | Imp Metal Ind Kynoch Ltd | Improvements in or relating to the manufacture of oxide-coated electrodes for use in electrolytic processes |
US3616319A (en) * | 1968-02-09 | 1971-10-26 | Monsanto Co | Electrolytic hydrodimerization of olefinic compounds |
US3562008A (en) * | 1968-10-14 | 1971-02-09 | Ppg Industries Inc | Method for producing a ruthenium coated titanium electrode |
US3630863A (en) * | 1968-11-13 | 1971-12-28 | Ppg Industries Inc | Cell diaphragm treatment |
US3694281A (en) * | 1969-04-28 | 1972-09-26 | Pullman Inc | Process for forming a diaphragm for use in an electrolytic cell |
US3809630A (en) * | 1970-06-20 | 1974-05-07 | Oronzio De Nora Impianti | Electrolysis cell with permeable valve metal anode and diaphragms on both the anode and cathode |
BE788557A (fr) * | 1971-09-09 | 1973-03-08 | Ppg Industries Inc | Diaphragmes pour cellules electrolytiques |
US3853721A (en) * | 1971-09-09 | 1974-12-10 | Ppg Industries Inc | Process for electrolysing brine |
BE790369A (fr) * | 1971-10-21 | 1973-04-20 | Diamond Shamrock Corp | Procede et appareil pour la preparation d'hydroxydes de metaux alcalins de haute purete dans une cuve electrolytique. |
BE793281A (fr) * | 1971-12-23 | 1973-06-22 | Rhone Progil | Cadres pour cellules electrolytiques du type filtre-presse |
ZA728589B (en) * | 1971-12-27 | 1974-01-30 | Hooker Chemical Corp | Electrolysis method and apparatus |
US3773634A (en) * | 1972-03-09 | 1973-11-20 | Diamond Shamrock Corp | Control of an olyte-catholyte concentrations in membrane cells |
-
1973
- 1973-02-26 US US05/335,975 patent/US3976549A/en not_active Expired - Lifetime
-
1974
- 1974-01-28 CA CA191,070A patent/CA1000652A/en not_active Expired
- 1974-02-01 IN IN225/CAL/1974A patent/IN141348B/en unknown
- 1974-02-04 IL IL44138A patent/IL44138A/en unknown
- 1974-02-04 AU AU65169/74A patent/AU474158B2/en not_active Expired
- 1974-02-05 ZA ZA740752A patent/ZA74752B/xx unknown
- 1974-02-05 PH PH15479A patent/PH12133A/en unknown
- 1974-02-12 TR TR18094A patent/TR18094A/xx unknown
- 1974-02-14 JP JP49018066A patent/JPS49117399A/ja active Pending
- 1974-02-14 GB GB673974A patent/GB1431733A/en not_active Expired
- 1974-02-18 BR BR1170/74A patent/BR7401170D0/pt unknown
- 1974-02-18 MX MX74100405U patent/MX3510E/es unknown
- 1974-02-21 BE BE141248A patent/BE811412A/xx unknown
- 1974-02-22 NL NL7402414A patent/NL7402414A/xx unknown
- 1974-02-22 AT AT146674A patent/AT328471B/de not_active IP Right Cessation
- 1974-02-22 FR FR7406085A patent/FR2218942B1/fr not_active Expired
- 1974-02-25 SU SU742021818A patent/SU784799A3/ru active
- 1974-02-25 ES ES423615A patent/ES423615A1/es not_active Expired
- 1974-02-25 RO RO7477810A patent/RO70890A/ro unknown
- 1974-02-25 NO NO740634A patent/NO139565C/no unknown
- 1974-02-25 PL PL1974169061A patent/PL88719B1/pl unknown
- 1974-02-26 DD DD176810A patent/DD109986A5/xx unknown
- 1974-04-08 IT IT20730/74A patent/IT1006372B/it active
-
1976
- 1976-03-17 ES ES446163A patent/ES446163A1/es not_active Expired
- 1976-06-04 US US05/692,818 patent/US4062753A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS49117399A (it) | 1974-11-09 |
BR7401170D0 (pt) | 1974-11-05 |
AU6516974A (en) | 1975-09-04 |
MX3510E (es) | 1981-01-14 |
NO139565B (no) | 1978-12-27 |
TR18094A (tr) | 1976-09-30 |
US3976549A (en) | 1976-08-24 |
CA1000652A (en) | 1976-11-30 |
US4062753A (en) | 1977-12-13 |
PH12133A (en) | 1978-11-07 |
DD109986A5 (it) | 1974-12-05 |
ES446163A1 (es) | 1977-06-01 |
FR2218942A1 (it) | 1974-09-20 |
NO740634L (no) | 1974-08-27 |
IT1006372B (it) | 1976-09-30 |
ES423615A1 (es) | 1976-11-01 |
ATA146674A (de) | 1975-06-15 |
NL7402414A (it) | 1974-08-28 |
PL88719B1 (it) | 1976-09-30 |
BE811412A (fr) | 1974-08-21 |
NO139565C (no) | 1979-04-04 |
AT328471B (de) | 1976-03-25 |
IL44138A (en) | 1976-12-31 |
IN141348B (it) | 1977-02-19 |
RO70890A (ro) | 1981-07-30 |
DE2409193B2 (de) | 1977-06-02 |
GB1431733A (en) | 1976-04-14 |
FR2218942B1 (it) | 1978-01-06 |
IL44138A0 (en) | 1974-05-16 |
AU474158B2 (en) | 1976-07-15 |
SU784799A3 (ru) | 1980-11-30 |
DE2409193A1 (de) | 1974-08-29 |
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