DE2757228A1 - Verfahren zur gewinnung von fluorwasserstoff aus einer waessrigen loesung aus fluorwasserstoff und schwefelsaeure - Google Patents
Verfahren zur gewinnung von fluorwasserstoff aus einer waessrigen loesung aus fluorwasserstoff und schwefelsaeureInfo
- Publication number
- DE2757228A1 DE2757228A1 DE19772757228 DE2757228A DE2757228A1 DE 2757228 A1 DE2757228 A1 DE 2757228A1 DE 19772757228 DE19772757228 DE 19772757228 DE 2757228 A DE2757228 A DE 2757228A DE 2757228 A1 DE2757228 A1 DE 2757228A1
- Authority
- DE
- Germany
- Prior art keywords
- hydrogen fluoride
- sulfuric acid
- hydrofluor
- column
- solution
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 13
- 239000002253 acid Substances 0.000 title description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- 229910052717 sulfur Inorganic materials 0.000 title 1
- 239000011593 sulfur Substances 0.000 title 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 55
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 37
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 35
- 238000001035 drying Methods 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000004821 distillation Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 3
- MIMUSZHMZBJBPO-UHFFFAOYSA-N 6-methoxy-8-nitroquinoline Chemical compound N1=CC=CC2=CC(OC)=CC([N+]([O-])=O)=C21 MIMUSZHMZBJBPO-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- DGCPSAFMAXHHDM-UHFFFAOYSA-N sulfuric acid;hydrofluoride Chemical compound F.OS(O)(=O)=O DGCPSAFMAXHHDM-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241000234295 Musa Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- DOAZFTWLEFRPIK-UHFFFAOYSA-N [Si].[F].[K] Chemical compound [Si].[F].[K] DOAZFTWLEFRPIK-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-M bisulphate group Chemical group S([O-])(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001768 cations Chemical group 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Inorganic materials [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 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 (enExample) | 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 |
|---|---|
| DE2757228A1 true DE2757228A1 (de) | 1978-07-06 |
Family
ID=26156850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772757228 Withdrawn DE2757228A1 (de) | 1976-12-27 | 1977-12-22 | Verfahren zur gewinnung von fluorwasserstoff aus einer waessrigen loesung aus fluorwasserstoff und schwefelsaeure |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4163045A (enExample) |
| CH (1) | CH632977A5 (enExample) |
| DE (1) | DE2757228A1 (enExample) |
| FR (1) | FR2375140A1 (enExample) |
| GB (1) | GB1544770A (enExample) |
| NL (1) | NL7714079A (enExample) |
| SE (1) | SE7714689L (enExample) |
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
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT * |
Also Published As
| Publication number | Publication date |
|---|---|
| SE7714689L (sv) | 1978-06-28 |
| FR2375140B1 (enExample) | 1984-09-28 |
| 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 |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: TUERK, D., DIPL.-CHEM. DR.RER.NAT. GILLE, C., DIPL |
|
| 8139 | Disposal/non-payment of the annual fee |