ZA896497B - A process for the production of alkali dichromates and chromic acid - Google Patents
A process for the production of alkali dichromates and chromic acidInfo
- Publication number
- ZA896497B ZA896497B ZA896497A ZA896497A ZA896497B ZA 896497 B ZA896497 B ZA 896497B ZA 896497 A ZA896497 A ZA 896497A ZA 896497 A ZA896497 A ZA 896497A ZA 896497 B ZA896497 B ZA 896497B
- Authority
- ZA
- South Africa
- Prior art keywords
- production
- chromic acid
- alkali dichromates
- dichromates
- alkali
- 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
- C25B1/22—Inorganic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3829119A DE3829119A1 (de) | 1988-08-27 | 1988-08-27 | Verfahren zur herstellung von alkalidichromaten und chromsaeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA896497B true ZA896497B (en) | 1990-05-30 |
Family
ID=6361718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA896497A ZA896497B (en) | 1988-08-27 | 1989-08-25 | A process for the production of alkali dichromates and chromic acid |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4981573A (xx) |
| EP (1) | EP0356804B1 (xx) |
| JP (1) | JP2839153B2 (xx) |
| KR (1) | KR970003073B1 (xx) |
| AR (1) | AR242995A1 (xx) |
| BR (1) | BR8904255A (xx) |
| CA (1) | CA1337806C (xx) |
| DD (1) | DD284059A5 (xx) |
| DE (2) | DE3829119A1 (xx) |
| ES (1) | ES2031323T3 (xx) |
| MX (1) | MX169889B (xx) |
| RO (1) | RO107135B1 (xx) |
| SU (1) | SU1741612A3 (xx) |
| TR (1) | TR24791A (xx) |
| ZA (1) | ZA896497B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3829121A1 (de) * | 1988-08-27 | 1990-03-01 | Bayer Ag | Elektrochemisches verfahren zur herstellung von chromsaeure |
| US7887681B2 (en) * | 2002-04-11 | 2011-02-15 | Second Sight Medical Products, Inc. | Platinum electrode surface coating and method for manufacturing the same |
| CN101892490A (zh) * | 2010-06-24 | 2010-11-24 | 中国科学院青海盐湖研究所 | 一种离子膜电解法连续制备重铬酸钠的方法 |
| US11905177B2 (en) * | 2018-05-07 | 2024-02-20 | Covestro Intellectual Property Gmbh & Co. Kg | Storage medium and method for separating, storing and transporting chlorine from chlorine-containing gases |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA739447A (en) * | 1966-07-26 | W. Carlin William | Electrolytic production of chromic acid | |
| US3305463A (en) * | 1962-03-16 | 1967-02-21 | Pittsburgh Plate Glass Co | Electrolytic production of dichromates |
| US3309292A (en) * | 1964-02-28 | 1967-03-14 | Richard L Andrews | Method for obtaining thick adherent coatings of platinum metals on refractory metals |
| US3454478A (en) * | 1965-06-28 | 1969-07-08 | Ppg Industries Inc | Electrolytically reducing halide impurity content of alkali metal dichromate solutions |
| US4273628A (en) * | 1979-05-29 | 1981-06-16 | Diamond Shamrock Corp. | Production of chromic acid using two-compartment and three-compartment cells |
-
1988
- 1988-08-27 DE DE3829119A patent/DE3829119A1/de not_active Withdrawn
-
1989
- 1989-08-07 MX MX017093A patent/MX169889B/es unknown
- 1989-08-10 RO RO141222A patent/RO107135B1/ro unknown
- 1989-08-11 US US07/392,873 patent/US4981573A/en not_active Expired - Lifetime
- 1989-08-15 ES ES198989115032T patent/ES2031323T3/es not_active Expired - Lifetime
- 1989-08-15 EP EP89115032A patent/EP0356804B1/de not_active Expired - Lifetime
- 1989-08-15 DE DE8989115032T patent/DE58901476D1/de not_active Expired - Lifetime
- 1989-08-22 TR TR89/0675A patent/TR24791A/xx unknown
- 1989-08-23 JP JP1215129A patent/JP2839153B2/ja not_active Expired - Lifetime
- 1989-08-23 SU SU894614833A patent/SU1741612A3/ru active
- 1989-08-24 BR BR898904255A patent/BR8904255A/pt not_active Application Discontinuation
- 1989-08-25 DD DD89332097A patent/DD284059A5/de not_active IP Right Cessation
- 1989-08-25 AR AR89314749A patent/AR242995A1/es active
- 1989-08-25 ZA ZA896497A patent/ZA896497B/xx unknown
- 1989-08-25 CA CA000609437A patent/CA1337806C/en not_active Expired - Fee Related
- 1989-08-26 KR KR1019890012189A patent/KR970003073B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0356804B1 (de) | 1992-05-20 |
| MX169889B (es) | 1993-07-29 |
| BR8904255A (pt) | 1990-04-10 |
| CA1337806C (en) | 1995-12-26 |
| JP2839153B2 (ja) | 1998-12-16 |
| EP0356804A3 (en) | 1990-04-18 |
| TR24791A (tr) | 1992-03-10 |
| DE3829119A1 (de) | 1990-03-01 |
| RO107135B1 (ro) | 1993-09-30 |
| SU1741612A3 (ru) | 1992-06-15 |
| ES2031323T3 (es) | 1992-12-01 |
| JPH02102126A (ja) | 1990-04-13 |
| US4981573A (en) | 1991-01-01 |
| DD284059A5 (de) | 1990-10-31 |
| DE58901476D1 (de) | 1992-06-25 |
| AR242995A1 (es) | 1993-06-30 |
| KR900003068A (ko) | 1990-03-23 |
| EP0356804A2 (de) | 1990-03-07 |
| KR970003073B1 (ko) | 1997-03-14 |
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