GB1023889A - Continuous process for extracting anhydrous hydrofluoric acid from its aqueous solutions - Google Patents
Continuous process for extracting anhydrous hydrofluoric acid from its aqueous solutionsInfo
- Publication number
- GB1023889A GB1023889A GB49592/63A GB4959263A GB1023889A GB 1023889 A GB1023889 A GB 1023889A GB 49592/63 A GB49592/63 A GB 49592/63A GB 4959263 A GB4959263 A GB 4959263A GB 1023889 A GB1023889 A GB 1023889A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bifluoride
- solution
- fluoride
- extraction
- 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 4
- 239000007864 aqueous solution Substances 0.000 title abstract 4
- 238000010924 continuous production Methods 0.000 title abstract 2
- 238000000605 extraction Methods 0.000 abstract 6
- 239000000243 solution Substances 0.000 abstract 5
- 150000001412 amines Chemical class 0.000 abstract 4
- 229910001515 alkali metal fluoride Inorganic materials 0.000 abstract 3
- 238000002425 crystallisation Methods 0.000 abstract 3
- 230000008025 crystallization Effects 0.000 abstract 3
- 239000000203 mixture Substances 0.000 abstract 3
- 238000004064 recycling Methods 0.000 abstract 3
- 238000000354 decomposition reaction Methods 0.000 abstract 2
- 229930195733 hydrocarbon Natural products 0.000 abstract 2
- 150000002430 hydrocarbons Chemical class 0.000 abstract 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 abstract 2
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 abstract 2
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 229920001429 chelating resin Polymers 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000012074 organic phase Substances 0.000 abstract 1
- 235000003270 potassium fluoride Nutrition 0.000 abstract 1
- 239000011698 potassium fluoride Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/02—Fluorides
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR918778A FR1350760A (fr) | 1962-12-17 | 1962-12-17 | Procédé d'extraction en continu de l'acide fluorhydrique anhydre de ses solutions aqueuses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1023889A true GB1023889A (en) | 1966-03-30 |
Family
ID=8792975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB49592/63A Expired GB1023889A (en) | 1962-12-17 | 1963-12-16 | Continuous process for extracting anhydrous hydrofluoric acid from its aqueous solutions |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3314755A (enExample) |
| BE (1) | BE641383A (enExample) |
| CH (1) | CH410879A (enExample) |
| DE (1) | DE1467113B2 (enExample) |
| FR (1) | FR1350760A (enExample) |
| GB (1) | GB1023889A (enExample) |
| LU (1) | LU45034A1 (enExample) |
| NL (2) | NL144555B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4695290A (en) * | 1983-07-26 | 1987-09-22 | Integrated Carbons Corporation | Integrated coal cleaning process with mixed acid regeneration |
| US4882134A (en) * | 1987-04-10 | 1989-11-21 | Imc Fertilizer, Inc. | Recovery of hydrogen fluoride from an aqueous solution containing ammonium fluoride and hydrogen fluoride |
| US5336832A (en) * | 1992-11-06 | 1994-08-09 | Conoco Inc. | Recovery of HF from hydrocarbon streams |
| US5800795A (en) * | 1993-03-12 | 1998-09-01 | Imperial Chemical Industries Plc | Hydrogen fluoride recovery process |
| US5766483A (en) * | 1996-05-10 | 1998-06-16 | Alliedsignal Inc. | Process for hydrogen fluoride separation |
| RU2617398C1 (ru) * | 2016-02-12 | 2017-04-24 | Общество с ограниченной ответственностью "Химический завод фторсолей" | Способ переработки отработанного бифторида калия |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2400875A (en) * | 1943-01-06 | 1946-05-28 | Standard Oil Co | Absorption and recovery of fluorides in amines of low basicity |
| US2400874A (en) * | 1943-01-06 | 1946-05-28 | Standard Oil Co | Recovery of catalysts |
| US2388156A (en) * | 1945-03-01 | 1945-10-30 | Phillips Petroleum Co | Process for segregation of anhydrcus acid |
| US2588786A (en) * | 1948-06-23 | 1952-03-11 | Tennessee Corp | Process for producing essentially silicon-free hydrofluoric acid from hydrofluosilicic acid |
| DE1075567B (de) * | 1957-09-12 | 1960-02-18 | Nynäshamn Dr. techn. Gösta Lennart Flemmert (Schweden) | Verfahren zur Herstellung von Fluorwasserstoff |
| US3140152A (en) * | 1962-06-29 | 1964-07-07 | Hooker Chemical Corp | Process for preparing and recovering of substantially anhydrous hydrogen fluoride gas from a dry alkali metal bifluoride |
-
0
- NL NL301863D patent/NL301863A/xx unknown
-
1962
- 1962-12-17 FR FR918778A patent/FR1350760A/fr not_active Expired
-
1963
- 1963-12-11 US US329697A patent/US3314755A/en not_active Expired - Lifetime
- 1963-12-16 LU LU45034D patent/LU45034A1/xx unknown
- 1963-12-16 NL NL63301863A patent/NL144555B/xx unknown
- 1963-12-16 GB GB49592/63A patent/GB1023889A/en not_active Expired
- 1963-12-16 CH CH1539763A patent/CH410879A/fr unknown
- 1963-12-17 DE DE19631467113 patent/DE1467113B2/de not_active Withdrawn
- 1963-12-17 BE BE641383D patent/BE641383A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL301863A (enExample) | |
| US3314755A (en) | 1967-04-18 |
| DE1467113B2 (de) | 1971-07-15 |
| CH410879A (fr) | 1966-04-15 |
| FR1350760A (fr) | 1964-01-31 |
| LU45034A1 (enExample) | 1964-06-16 |
| DE1467113A1 (de) | 1970-07-16 |
| BE641383A (enExample) | 1964-06-16 |
| NL144555B (nl) | 1975-01-15 |
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