ATE161802T1 - Verfahren zur trennung von arsensäure aus einer wässrigen lösung, die schwefelsäure und arsensäure enthält - Google Patents
Verfahren zur trennung von arsensäure aus einer wässrigen lösung, die schwefelsäure und arsensäure enthältInfo
- Publication number
- ATE161802T1 ATE161802T1 AT94104682T AT94104682T ATE161802T1 AT E161802 T1 ATE161802 T1 AT E161802T1 AT 94104682 T AT94104682 T AT 94104682T AT 94104682 T AT94104682 T AT 94104682T AT E161802 T1 ATE161802 T1 AT E161802T1
- Authority
- AT
- Austria
- Prior art keywords
- arsenic
- acid
- iii
- mixture
- compound
- Prior art date
Links
- DJHGAFSJWGLOIV-UHFFFAOYSA-N Arsenic acid Chemical compound O[As](O)(O)=O DJHGAFSJWGLOIV-UHFFFAOYSA-N 0.000 title abstract 10
- 229940000488 arsenic acid Drugs 0.000 title abstract 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title abstract 8
- 239000007864 aqueous solution Substances 0.000 title 1
- 239000000203 mixture Substances 0.000 abstract 11
- -1 sulfur (IV) compound Chemical class 0.000 abstract 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical class [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 abstract 2
- 239000007800 oxidant agent Substances 0.000 abstract 2
- LULLIKNODDLMDQ-UHFFFAOYSA-N arsenic(3+) Chemical compound [As+3] LULLIKNODDLMDQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 239000003171 wood protecting agent Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G28/00—Compounds of arsenic
- C01G28/005—Oxides; Hydroxides; Oxyacids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/907—Removal of arsenic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6193093A | 1993-04-08 | 1993-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE161802T1 true ATE161802T1 (de) | 1998-01-15 |
Family
ID=22039074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT94104682T ATE161802T1 (de) | 1993-04-08 | 1994-03-24 | Verfahren zur trennung von arsensäure aus einer wässrigen lösung, die schwefelsäure und arsensäure enthält |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5449503A (de) |
| EP (1) | EP0620189B1 (de) |
| AT (1) | ATE161802T1 (de) |
| CA (1) | CA2155949A1 (de) |
| DE (1) | DE69407645T2 (de) |
| WO (1) | WO1994024051A1 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6461535B1 (en) | 1999-12-03 | 2002-10-08 | Pan American Health Organization | Composition for arsenic removal from ground water |
| FI109922B (fi) * | 1999-12-21 | 2002-10-31 | Outokumpu Oy | Menetelmä arseenin poistamiseksi rikkihappoisesta liuoksesta |
| WO2002081380A1 (en) * | 2001-04-09 | 2002-10-17 | Ak Properties, Inc. | Apparatus and method for removing hydrogen peroxide from spent pickle liquor |
| US20030108462A1 (en) * | 2001-12-06 | 2003-06-12 | Oskoui Kazem Eradat | Method of extracting contaminants from solid matter |
| US20080003172A1 (en) * | 2006-06-29 | 2008-01-03 | Honeywell International Inc. | Continuous hydrolysis of hexafluoroarsenic acid |
| JP2009242935A (ja) | 2007-07-13 | 2009-10-22 | Dowa Metals & Mining Co Ltd | 砒素を含むもののアルカリ処理方法 |
| JP5188297B2 (ja) * | 2007-07-13 | 2013-04-24 | Ｄｏｗａメタルマイン株式会社 | 砒素を含む非鉄製錬中間産物の処理方法 |
| JP2009242223A (ja) * | 2007-07-13 | 2009-10-22 | Dowa Metals & Mining Co Ltd | 三酸化二砒素の処理方法 |
| JP5188296B2 (ja) | 2007-07-13 | 2013-04-24 | Ｄｏｗａメタルマイン株式会社 | 銅砒素化合物の処理方法 |
| JP5188298B2 (ja) | 2007-08-09 | 2013-04-24 | Ｄｏｗａメタルマイン株式会社 | 砒素を含む非鉄製錬中間産物の処理方法 |
| US20200299850A1 (en) * | 2019-03-22 | 2020-09-24 | Eco-Tec Limited | Processes for treating electrolyte from an electrorefining process |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB372189A (en) * | 1930-09-09 | 1932-05-05 | Norddeutsche Affinerie | Process for the recovery of arsenic from arseniferous metallurgical intermediate products and by-products |
| US1952290A (en) * | 1930-09-09 | 1934-03-27 | Norddeutsche Affinerie | Process for the recovery of arsenic |
| JPS4947299A (de) * | 1972-08-30 | 1974-05-07 | ||
| GB1444058A (en) * | 1974-05-22 | 1976-07-28 | Capper Pass Ltd | Recovery of arsenic |
| SU510430A1 (ru) * | 1974-06-13 | 1976-04-15 | Предприятие П/Я Г-4147 | Способ получени мышь ковой кислоты |
| FI58354C (fi) * | 1977-11-28 | 1981-01-12 | Outokumpu Oy | Foerfarande foer behandling av raomaterial innehaollande arsenik och metall |
| US4769230A (en) * | 1982-08-02 | 1988-09-06 | Koppers Company, Inc. | Process for preparation of arsenic acid |
| DD248249A3 (de) * | 1982-08-12 | 1987-08-05 | Univ Berlin Humboldt | Verfahren zur reinigung von arsen (iii) - fluorid |
| CS225597B1 (cs) * | 1982-11-01 | 1984-02-13 | Jaroslv Prochazka | Způsob regenerace arzénových sloučenin |
| JPS6059175B2 (ja) * | 1982-11-05 | 1985-12-24 | 日本鉱業株式会社 | 亜砒酸の製造方法 |
| JPS59169934A (ja) * | 1983-03-17 | 1984-09-26 | Nippon Mining Co Ltd | 亜砒酸の製造法 |
| GB8333042D0 (en) * | 1983-12-10 | 1984-01-18 | Laporte Industries Ltd | Arsenic acid |
| DD274609A1 (de) * | 1988-08-09 | 1989-12-27 | Funk A Bergbau Huettenkombinat | Verfahren zur gewinnung von arsentrioxid |
| US5089241A (en) * | 1990-12-20 | 1992-02-18 | Allied-Signal Inc. | Process for converting hexafluoroarsenic acid or any salt thereof to arsenic acid or salt thereof which can then be rendered nonhazardous |
-
1994
- 1994-03-24 AT AT94104682T patent/ATE161802T1/de not_active IP Right Cessation
- 1994-03-24 DE DE69407645T patent/DE69407645T2/de not_active Expired - Fee Related
- 1994-03-24 EP EP94104682A patent/EP0620189B1/de not_active Expired - Lifetime
- 1994-04-08 CA CA002155949A patent/CA2155949A1/en not_active Abandoned
- 1994-04-08 WO PCT/US1994/003870 patent/WO1994024051A1/en not_active Ceased
- 1994-08-26 US US08/296,983 patent/US5449503A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69407645T2 (de) | 1998-04-23 |
| EP0620189A1 (de) | 1994-10-19 |
| US5449503A (en) | 1995-09-12 |
| DE69407645D1 (de) | 1998-02-12 |
| WO1994024051A1 (en) | 1994-10-27 |
| EP0620189B1 (de) | 1998-01-07 |
| HK1007237A1 (en) | 1999-04-01 |
| CA2155949A1 (en) | 1994-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |