BE817867A - Procede et agencement pour la reduction de la corrosion de fissure dans les appareils d'electrolyse bipolaires - Google Patents
Procede et agencement pour la reduction de la corrosion de fissure dans les appareils d'electrolyse bipolairesInfo
- Publication number
- BE817867A BE817867A BE146748A BE146748A BE817867A BE 817867 A BE817867 A BE 817867A BE 146748 A BE146748 A BE 146748A BE 146748 A BE146748 A BE 146748A BE 817867 A BE817867 A BE 817867A
- Authority
- BE
- Belgium
- Prior art keywords
- reduction
- arrangement
- electrolysis equipment
- crack corrosion
- bipolar electrolysis
- Prior art date
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
- C25B1/34—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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US381114A US3876517A (en) | 1973-07-20 | 1973-07-20 | Reduction of crevice corrosion in bipolar chlorine diaphragm cells by locating the cathode screen at the crevice and maintaining the titanium within the crevice anodic |
Publications (1)
Publication Number | Publication Date |
---|---|
BE817867A true BE817867A (fr) | 1975-01-20 |
Family
ID=23503724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE146748A BE817867A (fr) | 1973-07-20 | 1974-07-19 | Procede et agencement pour la reduction de la corrosion de fissure dans les appareils d'electrolyse bipolaires |
Country Status (9)
Country | Link |
---|---|
US (1) | US3876517A (fr) |
JP (1) | JPS5044179A (fr) |
BE (1) | BE817867A (fr) |
CA (1) | CA1026711A (fr) |
DE (1) | DE2434353C3 (fr) |
FR (1) | FR2237982B1 (fr) |
GB (1) | GB1445903A (fr) |
IT (1) | IT1016641B (fr) |
NO (1) | NO139094C (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4111779A (en) * | 1974-10-09 | 1978-09-05 | Asahi Kasei Kogyo Kabushiki Kaisha | Bipolar system electrolytic cell |
US4033848A (en) * | 1975-10-15 | 1977-07-05 | Diamond Shamrock Corporation | Wafer electrode for an electrolytic cell |
US4057473A (en) * | 1976-03-15 | 1977-11-08 | Ppg Industries, Inc. | Method of reducing cell liquor header corrosion |
FR2367125A1 (fr) * | 1976-10-11 | 1978-05-05 | Solvay | Element bipolaire pour electrolyseurs |
DE2816152C2 (de) * | 1978-04-14 | 1980-07-03 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Chlor aus Salzsäure durch Elektrolyse und Salzsäure-Elektrolysezelle |
US4285787A (en) * | 1980-03-20 | 1981-08-25 | Pulp And Paper Research Institute Of Canada | Electrochemical corrosion protection of stainless steel bleach plant washers |
US4448663A (en) * | 1982-07-06 | 1984-05-15 | The Dow Chemical Company | Double L-shaped electrode for brine electrolysis cell |
CA2232970A1 (fr) * | 1995-09-25 | 1997-04-03 | Rodolf Antonio Gomez | Systeme electrochimique |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL126074C (fr) * | 1957-07-17 | |||
BE569804A (fr) * | 1957-07-26 | |||
ZA703723B (en) * | 1969-06-24 | 1972-01-26 | Ppg Industries Inc | Diaphragm cell |
US3755108A (en) * | 1971-08-12 | 1973-08-28 | Ppg Industries Inc | Method of producing uniform anolyte heads in the individual cells of a bipolar electrolyzer |
-
1973
- 1973-07-20 US US381114A patent/US3876517A/en not_active Expired - Lifetime
-
1974
- 1974-06-19 GB GB3205574A patent/GB1445903A/en not_active Expired
- 1974-06-24 CA CA203,182A patent/CA1026711A/fr not_active Expired
- 1974-07-17 DE DE2434353A patent/DE2434353C3/de not_active Expired
- 1974-07-17 NO NO742613A patent/NO139094C/no unknown
- 1974-07-19 BE BE146748A patent/BE817867A/fr not_active IP Right Cessation
- 1974-07-19 IT IT69307/74A patent/IT1016641B/it active
- 1974-07-19 JP JP49083148A patent/JPS5044179A/ja active Pending
- 1974-07-19 FR FR7425240A patent/FR2237982B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1016641B (it) | 1977-06-20 |
GB1445903A (en) | 1976-08-11 |
AU7057174A (en) | 1976-01-08 |
JPS5044179A (fr) | 1975-04-21 |
DE2434353B2 (de) | 1977-09-01 |
DE2434353C3 (de) | 1984-10-11 |
US3876517A (en) | 1975-04-08 |
NO139094B (no) | 1978-09-25 |
CA1026711A (fr) | 1978-02-21 |
FR2237982A1 (fr) | 1975-02-14 |
DE2434353A1 (de) | 1975-02-13 |
NO139094C (no) | 1979-01-10 |
NO742613L (fr) | 1975-02-17 |
FR2237982B1 (fr) | 1977-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: PPG INDUSTRIES INC. Effective date: 19860731 |