AT288319B - Verfahren zur herstellung von wasserfreiem fluorwasserstoff - Google Patents
Verfahren zur herstellung von wasserfreiem fluorwasserstoffInfo
- Publication number
- AT288319B AT288319B AT11254/68A AT1125468A AT288319B AT 288319 B AT288319 B AT 288319B AT 11254/68 A AT11254/68 A AT 11254/68A AT 1125468 A AT1125468 A AT 1125468A AT 288319 B AT288319 B AT 288319B
- Authority
- AT
- Austria
- Prior art keywords
- production
- anhydrous hydrogen
- anhydrous
- hydrogen
- Prior art date
Links
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical class [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title 1
- 229910052739 hydrogen Inorganic materials 0.000 title 1
- 239000001257 hydrogen Substances 0.000 title 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
- C01B7/193—Preparation from silicon tetrafluoride, fluosilicic acid or fluosilicates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/48—Halides, with or without other cations besides aluminium
- C01F7/50—Fluorides
- C01F7/54—Double compounds containing both aluminium and alkali metals or alkaline-earth metals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/78—Compounds containing aluminium, with or without oxygen or hydrogen, and containing two or more other elements
- C01F7/788—Ammonium aluminium fluorides, e.g. ammonium hexafluoroaluminate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR131128 | 1967-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT288319B true AT288319B (de) | 1971-01-15 |
Family
ID=8642803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT11254/68A AT288319B (de) | 1967-12-06 | 1968-11-20 | Verfahren zur herstellung von wasserfreiem fluorwasserstoff |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3537817A (de) |
| AT (1) | AT288319B (de) |
| BE (1) | BE723979A (de) |
| DE (1) | DE1811178B2 (de) |
| FR (1) | FR1564519A (de) |
| GB (1) | GB1248067A (de) |
| LU (1) | LU57418A1 (de) |
| NL (1) | NL6817520A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3914398A (en) * | 1974-12-16 | 1975-10-21 | Du Pont | Process for making anhydrous hydrogen fluoride from fluosilicic acid |
| IE44470B1 (en) * | 1976-08-26 | 1981-12-16 | Goulding Chemicals Ltd | Production of hydrogen fluoride |
| US4213952A (en) * | 1978-10-23 | 1980-07-22 | Occidental Research Corporation | Recovery of hydrofluoric acid from fluosilicic acid with high pH hydrolysis |
| US4213951A (en) * | 1978-10-23 | 1980-07-22 | Occidental Research Corporation | Recovery of hydrofluoric acid from fluosilicic acid with high pH hydrolysis |
| US4298586A (en) * | 1978-10-23 | 1981-11-03 | Occidental Research Corp. | Recovery of hydrofluoric acid from fluosilicic acid |
| US4695290A (en) * | 1983-07-26 | 1987-09-22 | Integrated Carbons Corporation | Integrated coal cleaning process with mixed acid regeneration |
| US4753033A (en) * | 1985-03-24 | 1988-06-28 | Williams Technologies, Inc. | Process for producing a clean hydrocarbon fuel from high calcium coal |
| US5876685A (en) * | 1996-09-11 | 1999-03-02 | Ipec Clean, Inc. | Separation and purification of fluoride from industrial wastes |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3123438A (en) * | 1964-03-03 | Process for the production of ammonium | ||
| US2921836A (en) * | 1956-04-24 | 1960-01-19 | Carborundum Co | Process of treating metals |
| US2916352A (en) * | 1956-09-14 | 1959-12-08 | Grace W R & Co | Artificial cryolite process |
| US3101254A (en) * | 1961-03-16 | 1963-08-20 | Grace W R & Co | Production of silica free hydrogen fluoride |
| US3128152A (en) * | 1961-10-10 | 1964-04-07 | Cabot Corp | Process for recovering hydrogen fluoride from aqueous fluosilicic acid solution |
| US3195979A (en) * | 1961-12-18 | 1965-07-20 | Int Minerals & Chem Corp | Process of preparing hydrogen fluoride from fluosilicic acid |
| US3338673A (en) * | 1964-10-02 | 1967-08-29 | Hooker Chemical Corp | Recovery of substantially anhydrous hydrogen fluoride from an impure aqueous ammonium fluoride solution |
-
1967
- 1967-12-06 FR FR131128A patent/FR1564519A/fr not_active Expired
-
1968
- 1968-11-18 BE BE723979D patent/BE723979A/xx unknown
- 1968-11-20 AT AT11254/68A patent/AT288319B/de not_active IP Right Cessation
- 1968-11-27 DE DE19681811178 patent/DE1811178B2/de active Granted
- 1968-11-28 LU LU57418D patent/LU57418A1/xx unknown
- 1968-12-04 US US781252A patent/US3537817A/en not_active Expired - Lifetime
- 1968-12-05 GB GB57868/68A patent/GB1248067A/en not_active Expired
- 1968-12-06 NL NL6817520A patent/NL6817520A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE1811178B2 (de) | 1972-07-20 |
| BE723979A (de) | 1969-05-02 |
| LU57418A1 (de) | 1969-03-04 |
| NL6817520A (de) | 1969-06-10 |
| GB1248067A (en) | 1971-09-29 |
| DE1811178A1 (de) | 1969-08-14 |
| FR1564519A (de) | 1969-04-25 |
| US3537817A (en) | 1970-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |