SE8900332A - - Google Patents
Info
- Publication number
- SE8900332A SE8900332A SE8900332A SE8900332A SE8900332A SE 8900332 A SE8900332 A SE 8900332A SE 8900332 A SE8900332 A SE 8900332A SE 8900332 A SE8900332 A SE 8900332A SE 8900332 A SE8900332 A SE 8900332A
- Authority
- SE
- Sweden
- Prior art keywords
- chlorate
- dichromate
- produced
- dichromates
- electrolysis
- Prior art date
Links
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 abstract 4
- 238000000034 method Methods 0.000 abstract 4
- 239000000243 solution Substances 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 abstract 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000012267 brine Substances 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 239000011651 chromium Substances 0.000 abstract 1
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 abstract 1
- -1 dichromate ions Chemical class 0.000 abstract 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 abstract 1
- 238000005868 electrolysis reaction Methods 0.000 abstract 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/12—Chloric acid
- C01B11/14—Chlorates
- C01B11/145—Separation; Crystallisation; Purification, After-treatment; Stabilisation by additives
-
- 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
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
- C25B1/265—Chlorates
-
- 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
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S204/00—Chemistry: electrical and wave energy
- Y10S204/13—Purification and treatment of electroplating baths and plating wastes
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/911—Cumulative poison
- Y10S210/912—Heavy metal
- Y10S210/913—Chromium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000546835A CA1314688C (en) | 1987-09-14 | 1987-09-14 | Stripping and recovery of dichromate in electrolytic chlorate systems |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8900332D0 SE8900332D0 (sv) | 1989-01-31 |
| SE8900332A true SE8900332A (nl) | 1990-01-22 |
| SE461227B SE461227B (sv) | 1990-01-22 |
Family
ID=4136437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8900332A SE461227B (sv) | 1987-09-14 | 1989-01-31 | Foerfarande foer avlaegsnande av dikromat fraan en loesning innehaallande klorat-, hypoklorit- och dikromatjoner |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4804528A (nl) |
| EP (1) | EP0308175B1 (nl) |
| CN (1) | CN1015088B (nl) |
| AU (1) | AU611465B2 (nl) |
| BR (1) | BR8804713A (nl) |
| CA (1) | CA1314688C (nl) |
| ES (1) | ES2039633T3 (nl) |
| FI (1) | FI90438C (nl) |
| NZ (1) | NZ225601A (nl) |
| PT (1) | PT88498B (nl) |
| SE (1) | SE461227B (nl) |
| ZA (1) | ZA886083B (nl) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5000858A (en) * | 1989-07-17 | 1991-03-19 | Coltec Industries Inc. | Method for removing hexavalent chromium from water |
| US5093089A (en) * | 1990-07-16 | 1992-03-03 | Chemetics International Company Ltd. | Process for the separation of sulphate |
| US5211853A (en) * | 1992-07-31 | 1993-05-18 | Huron Tech Corp. | Method for the removal of chromium compounds from aqueous solutions |
| US5294307A (en) * | 1992-07-31 | 1994-03-15 | Huron Tech Corp | Integrated process for the production of alkali and alkaline earth metal chlorates and chlorine dioxide |
| WO1996032696A1 (fr) * | 1995-04-13 | 1996-10-17 | Dai Nippon Printing Co., Ltd. | Carte et module de circuit integre |
| US20110162974A1 (en) * | 2008-09-05 | 2011-07-07 | Nippon Chemical Industrial Co., Ltd. | Method for manufacturing chromium hydroxide |
| WO2010130546A1 (en) * | 2009-05-15 | 2010-11-18 | Akzo Nobel Chemicals International B.V. | Activation of cathode |
| US9663383B2 (en) * | 2010-03-23 | 2017-05-30 | Lanxess Deutschland Gmbh | Process for preparing chromium(III) oxide |
| AR084183A1 (es) * | 2010-12-08 | 2013-04-24 | Lanxess Deutschland Gmbh | Procedimiento para la produccion de oxido de cromo (iii) |
| EP2565162A1 (de) * | 2011-09-05 | 2013-03-06 | LANXESS Deutschland GmbH | Verfahren zur Herstellung von Chrom(III)-oxid |
| JP6331145B2 (ja) * | 2014-11-26 | 2018-05-30 | 三菱重工環境・化学エンジニアリング株式会社 | アンモニア処理システム |
| CN113088981B (zh) * | 2021-04-10 | 2022-06-24 | 贵州丝域环能科技有限公司 | 一种不锈钢酸洗钝化液的制备、处理及再生方法 |
| CN116119620A (zh) * | 2023-03-03 | 2023-05-16 | 湖南恒光科技股份有限公司 | 一种氯酸钠芒硝脱铬工艺 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE218495C1 (nl) * | 1964-03-10 | 1968-01-23 | ||
| US3843769A (en) * | 1972-01-20 | 1974-10-22 | Hooker Chemical Corp | Process for removing hexavalent chromium from chlorate containing liquors |
| JPS5521508A (en) * | 1978-07-31 | 1980-02-15 | Nippon Denko Kk | Recovering method for useful substance from aged solution of chromic acid |
| US4268486A (en) * | 1979-07-02 | 1981-05-19 | Olin Corporation | Selective chromate removal from a chlorate solution |
| CA1112845A (en) * | 1979-07-16 | 1981-11-24 | Ian H. Warren | Destruction of sodium hypochlorite in solutions from a chlorate electrolytic cell |
| US4259297A (en) * | 1979-09-04 | 1981-03-31 | Olin Corporation | Chromate removal from concentrated chlorate solution by chemical precipitation |
| IT1130595B (it) * | 1980-05-12 | 1986-06-18 | Stoppani Luigi Spa | Procedimento continuo per l'eleminazione di cromo da acque di rifiuto e la valrizzazione del cromo ricuperato |
| US4477318A (en) * | 1980-11-10 | 1984-10-16 | Omi International Corporation | Trivalent chromium electrolyte and process employing metal ion reducing agents |
| US4680126A (en) * | 1986-02-18 | 1987-07-14 | Frankard James M | Separation and recovery of reusable heavy metal hydroxides from metal finishing wastewaters |
| CA1242307A (en) * | 1986-05-21 | 1988-09-27 | Superior Plus Inc. / Superieur Plus Inc. | Removal of chromium from cell liquor |
-
1987
- 1987-09-14 CA CA000546835A patent/CA1314688C/en not_active Expired - Fee Related
-
1988
- 1988-01-12 US US07/142,958 patent/US4804528A/en not_active Expired - Fee Related
- 1988-07-28 NZ NZ225601A patent/NZ225601A/xx unknown
- 1988-08-02 AU AU20341/88A patent/AU611465B2/en not_active Ceased
- 1988-08-17 ZA ZA886083A patent/ZA886083B/xx unknown
- 1988-09-13 BR BR8804713A patent/BR8804713A/pt not_active IP Right Cessation
- 1988-09-13 ES ES198888308449T patent/ES2039633T3/es not_active Expired - Lifetime
- 1988-09-13 EP EP88308449A patent/EP0308175B1/en not_active Expired - Lifetime
- 1988-09-13 CN CN88106766A patent/CN1015088B/zh not_active Expired
- 1988-09-14 FI FI884230A patent/FI90438C/fi not_active IP Right Cessation
- 1988-09-14 PT PT88498A patent/PT88498B/pt not_active IP Right Cessation
-
1989
- 1989-01-31 SE SE8900332A patent/SE461227B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0308175B1 (en) | 1992-01-29 |
| CN1031945A (zh) | 1989-03-29 |
| ES2039633T3 (es) | 1993-10-01 |
| PT88498B (pt) | 1992-11-30 |
| NZ225601A (en) | 1989-09-27 |
| US4804528A (en) | 1989-02-14 |
| AU2034188A (en) | 1989-03-16 |
| FI884230A0 (fi) | 1988-09-14 |
| EP0308175A1 (en) | 1989-03-22 |
| SE8900332D0 (sv) | 1989-01-31 |
| CN1015088B (zh) | 1991-12-18 |
| FI90438B (fi) | 1993-10-29 |
| FI90438C (fi) | 1994-02-10 |
| FI884230A (fi) | 1989-03-15 |
| SE461227B (sv) | 1990-01-22 |
| PT88498A (pt) | 1988-10-01 |
| ZA886083B (en) | 1989-04-26 |
| CA1314688C (en) | 1993-03-23 |
| AU611465B2 (en) | 1991-06-13 |
| BR8804713A (pt) | 1989-04-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
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| NUG | Patent has lapsed |
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