GB1141260A - A method and apparatus for the purification of hydrofluoric acid - Google Patents
A method and apparatus for the purification of hydrofluoric acidInfo
- Publication number
- GB1141260A GB1141260A GB5136766A GB5136766A GB1141260A GB 1141260 A GB1141260 A GB 1141260A GB 5136766 A GB5136766 A GB 5136766A GB 5136766 A GB5136766 A GB 5136766A GB 1141260 A GB1141260 A GB 1141260A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hydrofluoric acid
- complex
- nov
- fluorine
- alkali metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title 1
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 abstract 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 2
- 229910052731 fluorine Inorganic materials 0.000 abstract 2
- 239000011737 fluorine Substances 0.000 abstract 2
- 235000013024 sodium fluoride Nutrition 0.000 abstract 2
- 239000011775 sodium fluoride Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 229910001515 alkali metal fluoride Inorganic materials 0.000 abstract 1
- 229910001508 alkali metal halide Inorganic materials 0.000 abstract 1
- 150000008045 alkali metal halides Chemical class 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000007787 solid Substances 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
- C01B7/191—Hydrogen fluoride
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR40014A FR1492808A (fr) | 1965-11-26 | 1965-11-26 | Procédé d'obtention d'acide fluorhydrique de très haute pureté et appareil pour la mise en oeuvre du procédé ou d'un procédé analogue |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1141260A true GB1141260A (en) | 1969-01-29 |
Family
ID=8593601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5136766A Expired GB1141260A (en) | 1965-11-26 | 1966-11-16 | A method and apparatus for the purification of hydrofluoric acid |
Country Status (6)
Cited By (6)
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 |
US5362469A (en) * | 1991-10-31 | 1994-11-08 | Solvay Fluor Und Derivate Gmbh | Preparation of ultrapure hydrogen fluoride |
US5800795A (en) * | 1993-03-12 | 1998-09-01 | Imperial Chemical Industries Plc | Hydrogen fluoride recovery process |
RU2179148C2 (ru) * | 1995-10-10 | 2002-02-10 | Империал Кемикал Индастриз ПЛС | Способ извлечения фтороводорода |
US6555086B2 (en) | 1997-04-09 | 2003-04-29 | Ineos Fluor Holdings Limited | Hydrogen fluoride recovery process |
RU2534252C1 (ru) * | 2013-05-07 | 2014-11-27 | Открытое акционерное общество "Ведущий научно-исследовательский институт химической технологии" | Способ очистки фтористого водорода |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4491570A (en) * | 1984-05-03 | 1985-01-01 | Pennwalt Corporation | Removal of arsenic from hydrogen fluoride |
-
1965
- 1965-11-26 FR FR40014A patent/FR1492808A/fr not_active Expired
-
1966
- 1966-11-16 GB GB5136766A patent/GB1141260A/en not_active Expired
- 1966-11-17 BE BE689815D patent/BE689815A/xx unknown
- 1966-11-22 LU LU52410D patent/LU52410A1/xx unknown
- 1966-11-25 ES ES0333774A patent/ES333774A1/es not_active Expired
- 1966-11-25 CH CH1691266A patent/CH466242A/fr unknown
Cited By (7)
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 |
US5362469A (en) * | 1991-10-31 | 1994-11-08 | Solvay Fluor Und Derivate Gmbh | Preparation of ultrapure hydrogen fluoride |
US5800795A (en) * | 1993-03-12 | 1998-09-01 | Imperial Chemical Industries Plc | Hydrogen fluoride recovery process |
RU2179148C2 (ru) * | 1995-10-10 | 2002-02-10 | Империал Кемикал Индастриз ПЛС | Способ извлечения фтороводорода |
US6660893B2 (en) | 1995-10-10 | 2003-12-09 | Ineca Fluor Holdings Limited | Hydrogen fluoride recovery process |
US6555086B2 (en) | 1997-04-09 | 2003-04-29 | Ineos Fluor Holdings Limited | Hydrogen fluoride recovery process |
RU2534252C1 (ru) * | 2013-05-07 | 2014-11-27 | Открытое акционерное общество "Ведущий научно-исследовательский институт химической технологии" | Способ очистки фтористого водорода |
Also Published As
Publication number | Publication date |
---|---|
BE689815A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-05-02 |
CH466242A (fr) | 1968-12-15 |
ES333774A1 (es) | 1967-12-16 |
LU52410A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-01-23 |
FR1492808A (fr) | 1967-08-25 |
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