ATE104648T1 - Verfahren zur reinigung von wasserstofffluorid. - Google Patents
Verfahren zur reinigung von wasserstofffluorid.Info
- Publication number
- ATE104648T1 ATE104648T1 AT9090309749T AT90309749T ATE104648T1 AT E104648 T1 ATE104648 T1 AT E104648T1 AT 9090309749 T AT9090309749 T AT 9090309749T AT 90309749 T AT90309749 T AT 90309749T AT E104648 T1 ATE104648 T1 AT E104648T1
- Authority
- AT
- Austria
- Prior art keywords
- hydrogen fluoride
- purification
- anhydrous hydrogen
- arsenic
- as2s3
- Prior art date
Links
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title abstract 4
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title abstract 4
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
- 229910052785 arsenic Inorganic materials 0.000 abstract 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 abstract 2
- 238000004821 distillation Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910052958 orpiment Inorganic materials 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- -1 sulfide ions Chemical class 0.000 abstract 1
- 150000003464 sulfur compounds Chemical class 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
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C01B7/195—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C01B7/195—Separation; Purification
- C01B7/196—Separation; Purification by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Glass Compositions (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/429,507 US4960580A (en) | 1989-10-31 | 1989-10-31 | Process for purifying hydrogen fluoride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE104648T1 true ATE104648T1 (de) | 1994-05-15 |
Family
ID=23703557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT9090309749T ATE104648T1 (de) | 1989-10-31 | 1990-09-06 | Verfahren zur reinigung von wasserstofffluorid. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4960580A (de) |
| EP (1) | EP0426286B1 (de) |
| JP (1) | JPH03146401A (de) |
| KR (1) | KR930001205B1 (de) |
| CN (1) | CN1020883C (de) |
| AT (1) | ATE104648T1 (de) |
| AU (1) | AU635324B2 (de) |
| BR (1) | BR9004586A (de) |
| CA (1) | CA2024624A1 (de) |
| DE (1) | DE69008306T2 (de) |
| ES (1) | ES2051475T3 (de) |
| MX (1) | MX171259B (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2689885B1 (fr) * | 1992-04-14 | 1994-10-21 | Atochem North America Elf | Procédé pour inhiber la décomposition du 1,1-dichloro-1-fluoréthane. |
| US7371363B2 (en) * | 2003-07-15 | 2008-05-13 | Honeywell International Inc. | Methods of purifying hydrogen fluoride |
| GB0427968D0 (en) * | 2004-12-21 | 2005-01-26 | Davy Process Technology Switze | Process |
| CN100546903C (zh) * | 2007-08-06 | 2009-10-07 | 江阴市润玛电子材料有限公司 | 超高纯氢氟酸的提纯方法 |
| CN101570318B (zh) * | 2008-04-28 | 2011-12-14 | 多氟多化工股份有限公司 | 一种生产电子级氢氟酸的方法 |
| WO2010061838A1 (ja) | 2008-11-28 | 2010-06-03 | 国立大学法人京都大学 | フッ化水素の精製方法 |
| CN101538094B (zh) * | 2009-04-10 | 2010-12-08 | 天津大学 | 脱砷离子筛再生废液的处理方法 |
| MX357878B (es) | 2014-12-18 | 2018-07-27 | Mexichem Fluor Sa De Capital Variable | Proceso para la purificación del ácido fluorhídrico incluyendo la obtención del subproducto ácido arsenioso. |
| CN105947984A (zh) * | 2016-05-20 | 2016-09-21 | 同济大学 | 一种从高浓度含氟废水中回收生产无水氟化氢生产工艺 |
| CN108609585A (zh) * | 2018-08-08 | 2018-10-02 | 宣城亨泰电子化学材料有限公司 | 一种氢氟酸除砷工艺 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE632837A (de) * | 1962-06-04 | 1963-10-21 | ||
| US3663382A (en) * | 1969-08-19 | 1972-05-16 | Du Pont | Process of recovering hydrogen fluoride free of arsenic by distillation |
| US3687622A (en) * | 1970-11-30 | 1972-08-29 | Du Pont | High pressure purification of hydrogen fluoride |
| US4032621A (en) * | 1975-11-24 | 1977-06-28 | E. I. Du Pont De Nemours And Company | Preparation of hydrogen fluoride with low levels of arsenic, iron and sulfite |
| US4083941A (en) * | 1977-04-18 | 1978-04-11 | E. I. Du Pont De Nemours And Company | Purification of anhydrous hydrogen fluoride |
| DE3003635C2 (de) * | 1980-02-01 | 1985-07-11 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren und Vorrichtung zur Entarsenierung arsenhaltiger Materialien |
| US4491570A (en) * | 1984-05-03 | 1985-01-01 | Pennwalt Corporation | Removal of arsenic from hydrogen fluoride |
| CA1241774A (en) * | 1984-05-23 | 1988-09-06 | Bruce R. Conard | Effluent treatment |
| US4668497A (en) * | 1984-12-25 | 1987-05-26 | Hashimoto Chemical Industries Co., Ltd. | Process for purifying hydrogen fluoride |
| US4756899A (en) * | 1987-02-12 | 1988-07-12 | Allied-Signal Inc. | Manufacture of high purity low arsenic anhydrous hydrogen fluoride |
| US4929435A (en) * | 1987-02-12 | 1990-05-29 | Allied-Signal Inc. | Manufacture of high purity low arsenic anhydrous hydrogen fluoride |
-
1989
- 1989-10-31 US US07/429,507 patent/US4960580A/en not_active Expired - Lifetime
-
1990
- 1990-09-05 CA CA002024624A patent/CA2024624A1/en not_active Abandoned
- 1990-09-06 ES ES90309749T patent/ES2051475T3/es not_active Expired - Lifetime
- 1990-09-06 AT AT9090309749T patent/ATE104648T1/de not_active IP Right Cessation
- 1990-09-06 EP EP90309749A patent/EP0426286B1/de not_active Expired - Lifetime
- 1990-09-06 DE DE69008306T patent/DE69008306T2/de not_active Expired - Fee Related
- 1990-09-13 AU AU62594/90A patent/AU635324B2/en not_active Withdrawn - After Issue
- 1990-09-13 BR BR909004586A patent/BR9004586A/pt not_active Application Discontinuation
- 1990-09-14 KR KR1019900014579A patent/KR930001205B1/ko not_active Expired - Fee Related
- 1990-09-14 JP JP2242841A patent/JPH03146401A/ja active Pending
- 1990-09-14 MX MX022387A patent/MX171259B/es unknown
- 1990-09-15 CN CN90107844A patent/CN1020883C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| BR9004586A (pt) | 1991-09-10 |
| US4960580A (en) | 1990-10-02 |
| AU6259490A (en) | 1991-05-09 |
| EP0426286B1 (de) | 1994-04-20 |
| JPH03146401A (ja) | 1991-06-21 |
| DE69008306D1 (de) | 1994-05-26 |
| ES2051475T3 (es) | 1994-06-16 |
| EP0426286A1 (de) | 1991-05-08 |
| CN1051333A (zh) | 1991-05-15 |
| CN1020883C (zh) | 1993-05-26 |
| CA2024624A1 (en) | 1991-05-01 |
| AU635324B2 (en) | 1993-03-18 |
| KR910007797A (ko) | 1991-05-30 |
| KR930001205B1 (ko) | 1993-02-22 |
| MX171259B (es) | 1993-10-14 |
| DE69008306T2 (de) | 1994-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |