CA1026711A - 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 - Google Patents
Reduction of crevice corrosion in bipolar chlorine diaphragm cells by locating the cathode screen at the crevice and maintaining the titanium within the crevice anodicInfo
- Publication number
- CA1026711A CA1026711A CA203,182A CA203182A CA1026711A CA 1026711 A CA1026711 A CA 1026711A CA 203182 A CA203182 A CA 203182A CA 1026711 A CA1026711 A CA 1026711A
- Authority
- CA
- Canada
- Prior art keywords
- crevice
- anodic
- bipolar
- locating
- titanium
- 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.)
- Expired
Links
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title 1
- 229910052801 chlorine Inorganic materials 0.000 title 1
- 239000000460 chlorine Substances 0.000 title 1
- 230000007797 corrosion Effects 0.000 title 1
- 238000005260 corrosion Methods 0.000 title 1
- 229910052719 titanium Inorganic materials 0.000 title 1
- 239000010936 titanium Substances 0.000 title 1
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 |
|---|---|
| CA1026711A true CA1026711A (en) | 1978-02-21 |
Family
ID=23503724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA203,182A Expired CA1026711A (en) | 1973-07-20 | 1974-06-24 | 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 |
Country Status (9)
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 |
| WO1997012078A1 (en) * | 1995-09-25 | 1997-04-03 | Rmg Services Pty. Ltd. | Electrochemical system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL126074C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1957-07-17 | |||
| DE1250234B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1957-07-26 | 1967-09-14 | ||
| 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/en 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 IT IT69307/74A patent/IT1016641B/it active
- 1974-07-19 FR FR7425240A patent/FR2237982B1/fr not_active Expired
- 1974-07-19 JP JP49083148A patent/JPS5044179A/ja active Pending
- 1974-07-19 BE BE146748A patent/BE817867A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5044179A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-04-21 |
| GB1445903A (en) | 1976-08-11 |
| NO139094B (no) | 1978-09-25 |
| DE2434353B2 (de) | 1977-09-01 |
| DE2434353C3 (de) | 1984-10-11 |
| NO139094C (no) | 1979-01-10 |
| FR2237982A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-02-14 |
| IT1016641B (it) | 1977-06-20 |
| FR2237982B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-03-18 |
| NO742613L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-02-17 |
| AU7057174A (en) | 1976-01-08 |
| US3876517A (en) | 1975-04-08 |
| DE2434353A1 (de) | 1975-02-13 |
| BE817867A (fr) | 1975-01-20 |
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