SE7714689L - Forfarande for framstellning av fluorvete fran en vattenlosning av fluorvete och svavelsyra - Google Patents
Forfarande for framstellning av fluorvete fran en vattenlosning av fluorvete och svavelsyraInfo
- Publication number
- SE7714689L SE7714689L SE7714689A SE7714689A SE7714689L SE 7714689 L SE7714689 L SE 7714689L SE 7714689 A SE7714689 A SE 7714689A SE 7714689 A SE7714689 A SE 7714689A SE 7714689 L SE7714689 L SE 7714689L
- Authority
- SE
- Sweden
- Prior art keywords
- sulfuric acid
- hydrogen fluoride
- fluorovet
- fluorheat
- procedure
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title abstract 10
- 238000000034 method Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract 6
- 229910000040 hydrogen fluoride Inorganic materials 0.000 abstract 6
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 238000001035 drying Methods 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 2
- 238000004821 distillation Methods 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)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI763707A FI763707A7 (OSRAM) | 1976-12-27 | 1976-12-27 | |
| FI763708A FI59076C (fi) | 1976-12-27 | 1976-12-27 | Anordning foer framstaellning av fluorvaete fraon en vattenloesning av ammoniumfluorid och ammoniumbifluorid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE7714689L true SE7714689L (sv) | 1978-06-28 |
Family
ID=26156850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7714689A SE7714689L (sv) | 1976-12-27 | 1977-12-22 | Forfarande for framstellning av fluorvete fran en vattenlosning av fluorvete och svavelsyra |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4163045A (OSRAM) |
| CH (1) | CH632977A5 (OSRAM) |
| DE (1) | DE2757228A1 (OSRAM) |
| FR (1) | FR2375140A1 (OSRAM) |
| GB (1) | GB1544770A (OSRAM) |
| NL (1) | NL7714079A (OSRAM) |
| SE (1) | SE7714689L (OSRAM) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4743271A (en) * | 1983-02-17 | 1988-05-10 | Williams Technologies, Inc. | Process for producing a clean hydrocarbon fuel |
| 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 |
| US5597545A (en) * | 1994-11-14 | 1997-01-28 | Alliedsignal Inc. | Recovery of HF from aqueous streams |
| GB0427968D0 (en) * | 2004-12-21 | 2005-01-26 | Davy Process Technology Switze | Process |
| JP4576312B2 (ja) * | 2005-10-03 | 2010-11-04 | 東北電力株式会社 | 四フッ化ケイ素の製造方法、及びそれに用いる製造装置 |
| US20110078948A1 (en) * | 2009-10-01 | 2011-04-07 | Chandrashekhar Ganpatrao Sonwane | Ash removal from coal: process to avoid large quantities of hydrogen fluoride on-site |
| DE102011111316B4 (de) * | 2011-08-26 | 2017-10-19 | Plinke Gmbh | Verfahren zur Reinigung und Konzentrierung HF-haltiger Schwefelsäure |
| CN102424367A (zh) * | 2011-09-20 | 2012-04-25 | 六九硅业有限公司 | 含氟硫酸的分离浓缩装置及分离浓缩方法 |
| CN120172354B (zh) * | 2025-05-23 | 2025-07-18 | 池州天赐高新材料有限公司 | 一种含氟副产硫酸中提取氟化氢的方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1060519A (en) * | 1964-08-21 | 1967-03-01 | Inst Chemil Nieorganicznej | Process for the preparation of hydrogen fluoride |
| US3455650A (en) * | 1967-03-08 | 1969-07-15 | Continental Oil Co | Production of hydrogen fluoride |
-
1977
- 1977-12-15 US US05/860,971 patent/US4163045A/en not_active Expired - Lifetime
- 1977-12-19 NL NL7714079A patent/NL7714079A/xx not_active Application Discontinuation
- 1977-12-21 GB GB53205/77A patent/GB1544770A/en not_active Expired
- 1977-12-22 DE DE19772757228 patent/DE2757228A1/de not_active Withdrawn
- 1977-12-22 SE SE7714689A patent/SE7714689L/xx not_active Application Discontinuation
- 1977-12-26 FR FR7739190A patent/FR2375140A1/fr active Granted
- 1977-12-27 CH CH1602977A patent/CH632977A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2375140B1 (OSRAM) | 1984-09-28 |
| DE2757228A1 (de) | 1978-07-06 |
| GB1544770A (en) | 1979-04-25 |
| NL7714079A (nl) | 1978-06-29 |
| FR2375140A1 (fr) | 1978-07-21 |
| CH632977A5 (de) | 1982-11-15 |
| US4163045A (en) | 1979-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
Ref document number: 7714689-2 |