DK600584A - Fremgangsmaade til fjernelse af arsenurenheder fra hydrogenfluorid - Google Patents
Fremgangsmaade til fjernelse af arsenurenheder fra hydrogenfluorid Download PDFInfo
- Publication number
- DK600584A DK600584A DK600584A DK600584A DK600584A DK 600584 A DK600584 A DK 600584A DK 600584 A DK600584 A DK 600584A DK 600584 A DK600584 A DK 600584A DK 600584 A DK600584 A DK 600584A
- Authority
- DK
- Denmark
- Prior art keywords
- arsenur
- procedure
- units
- hydrogen fluoride
- fluoride
- Prior art date
Links
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
- C01B7/191—Hydrogen fluoride
- C01B7/195—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Catalysts (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/606,484 US4491570A (en) | 1984-05-03 | 1984-05-03 | Removal of arsenic from hydrogen fluoride |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK600584D0 DK600584D0 (da) | 1984-12-14 |
| DK600584A true DK600584A (da) | 1985-11-04 |
Family
ID=24428168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK600584A DK600584A (da) | 1984-05-03 | 1984-12-14 | Fremgangsmaade til fjernelse af arsenurenheder fra hydrogenfluorid |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4491570A (de) |
| EP (1) | EP0160737B1 (de) |
| JP (1) | JPS60235701A (de) |
| AU (1) | AU561311B2 (de) |
| BR (1) | BR8406781A (de) |
| CA (1) | CA1214622A (de) |
| DE (1) | DE3483886D1 (de) |
| DK (1) | DK600584A (de) |
| MX (1) | MX162803A (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4668497A (en) * | 1984-12-25 | 1987-05-26 | Hashimoto Chemical Industries Co., Ltd. | Process for purifying hydrogen fluoride |
| US4929435A (en) * | 1987-02-12 | 1990-05-29 | Allied-Signal Inc. | Manufacture of high purity low arsenic anhydrous hydrogen fluoride |
| US4756899A (en) * | 1987-02-12 | 1988-07-12 | Allied-Signal Inc. | Manufacture of high purity low arsenic anhydrous hydrogen fluoride |
| US5047226A (en) * | 1988-12-12 | 1991-09-10 | Fluorex, S.A. De C.V. | Process for the removal of arsenic in the manufacture of hydrofluoric acid |
| US4960580A (en) * | 1989-10-31 | 1990-10-02 | E. I. Du Pont De Nemours And Company | Process for purifying hydrogen fluoride |
| US4954330A (en) * | 1989-11-30 | 1990-09-04 | E. I. Dupont De Nemours And Company | Process for purifying hydrogen fluoride |
| DE4135917C2 (de) * | 1991-10-31 | 1998-07-16 | Solvay Fluor & Derivate | Verfahren zur Abtrennung von organischen Kohlenstoffverbindungen aus Fluorwasserstoff |
| DE4135918A1 (de) * | 1991-10-31 | 1993-05-06 | Solvay Fluor Und Derivate Gmbh, 3000 Hannover, De | Herstellung von hochreinem fluorwasserstoff |
| US5108559A (en) * | 1991-12-17 | 1992-04-28 | E. I. Du Pont De Nemours And Company | Process for purifying hydrogen fluoride |
| GB0427968D0 (en) * | 2004-12-21 | 2005-01-26 | Davy Process Technology Switze | Process |
| 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 |
| US20130004402A1 (en) * | 2011-06-28 | 2013-01-03 | Honeywell International Inc. | Methods and apparatuses for purifying phosphorus pentafluoride |
| 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. |
| RU2626296C2 (ru) * | 2015-12-08 | 2017-07-25 | Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Новосибирский Государственный Технический Университет" | Трансформатор сопротивлений |
| CN115072665B (zh) * | 2022-06-14 | 2023-10-03 | 多氟多新材料股份有限公司 | 一种无水氟化氢的除杂方法、电子级氢氟酸的制备方法及装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1335675A (fr) * | 1961-07-27 | 1963-08-23 | I C P M Ind Chimiche Porto Mar | Procédé pour l'élimination de composés d'arsenic et d'antimoine de l'acide fluorhdrique moyennant la formation de complexes, facilement séparables, entre l'arsenic et l'antimoine, le fluor et un métal alcalin |
| DE1181178B (de) * | 1962-05-03 | 1964-11-12 | Buss Ag | Verfahren zur Gewinnung von wasserfreiem Fluorwasserstoff aus verduennten HF-Loesungen |
| BE632837A (de) * | 1962-06-04 | 1963-10-21 | ||
| US3238017A (en) * | 1962-12-24 | 1966-03-01 | Onoda Cement Co Ltd | Method for the recovery of hydrogen fluoride from the spent gases |
| SU379533A1 (ru) * | 1965-09-25 | 1973-04-20 | Авторы изобретени | Способ очистки технической плавиковой кислоты |
| FR1492808A (fr) * | 1965-11-26 | 1967-08-25 | Commissariat Energie Atomique | Procédé d'obtention d'acide fluorhydrique de très haute pureté et appareil pour la mise en oeuvre du procédé ou d'un procédé analogue |
| US3689370A (en) * | 1970-02-20 | 1972-09-05 | Daikin Ind Ltd | Process for purifying hydrofluoric acid by distillation with an oxidizing agent and a ferrous salt |
| GB1332968A (en) * | 1971-03-08 | 1973-10-10 | Ici Ltd | Recovery 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 |
| SU763251A1 (ru) * | 1978-11-30 | 1980-09-15 | Предприятие П/Я А-7815 | Способ очистки галоидоводорода от серосодержащих примесей |
-
1984
- 1984-05-03 US US06/606,484 patent/US4491570A/en not_active Expired - Fee Related
- 1984-10-30 EP EP84113065A patent/EP0160737B1/de not_active Expired
- 1984-10-30 DE DE8484113065T patent/DE3483886D1/de not_active Expired - Fee Related
- 1984-10-31 CA CA000466767A patent/CA1214622A/en not_active Expired
- 1984-11-20 AU AU35708/84A patent/AU561311B2/en not_active Ceased
- 1984-12-11 MX MX203678A patent/MX162803A/es unknown
- 1984-12-14 DK DK600584A patent/DK600584A/da not_active Application Discontinuation
- 1984-12-24 JP JP59271106A patent/JPS60235701A/ja active Pending
- 1984-12-28 BR BR8406781A patent/BR8406781A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0160737A2 (de) | 1985-11-13 |
| DE3483886D1 (de) | 1991-02-07 |
| CA1214622A (en) | 1986-12-02 |
| BR8406781A (pt) | 1986-07-08 |
| US4491570A (en) | 1985-01-01 |
| EP0160737A3 (en) | 1987-11-11 |
| AU561311B2 (en) | 1987-05-07 |
| EP0160737B1 (de) | 1990-12-27 |
| AU3570884A (en) | 1985-11-07 |
| JPS60235701A (ja) | 1985-11-22 |
| MX162803A (es) | 1991-06-26 |
| DK600584D0 (da) | 1984-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHS | Application shelved for other reasons than non-payment |