DE1271086B - Verfahren zur Gewinnung von Flusssaeure aus Kieselfluorwasserstoffsaeure - Google Patents
Verfahren zur Gewinnung von Flusssaeure aus KieselfluorwasserstoffsaeureInfo
- Publication number
- DE1271086B DE1271086B DE19621271086 DE1271086A DE1271086B DE 1271086 B DE1271086 B DE 1271086B DE 19621271086 DE19621271086 DE 19621271086 DE 1271086 A DE1271086 A DE 1271086A DE 1271086 B DE1271086 B DE 1271086B
- Authority
- DE
- Germany
- Prior art keywords
- hydrofluoric acid
- acid
- vapors
- absorbent
- silicofluoric
- 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- Withdrawn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
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims description 112
- 238000000034 method Methods 0.000 title claims description 31
- 239000002253 acid Substances 0.000 title claims description 21
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 27
- 230000002745 absorbent Effects 0.000 claims description 26
- 239000002250 absorbent Substances 0.000 claims description 26
- 239000006096 absorbing agent Substances 0.000 claims description 13
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 238000009833 condensation Methods 0.000 claims description 10
- 230000005494 condensation Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 229920000570 polyether Polymers 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000011737 fluorine Substances 0.000 claims description 8
- 229910052731 fluorine Inorganic materials 0.000 claims description 8
- 229920005862 polyol Polymers 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 7
- 150000003077 polyols Chemical class 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- -1 alicyclic polyols Chemical class 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 3
- 239000003380 propellant Substances 0.000 claims description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 239000004721 Polyphenylene oxide Substances 0.000 claims 1
- 206010016256 fatigue Diseases 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 150000002894 organic compounds Chemical class 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 13
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000010436 fluorite Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 239000002367 phosphate rock Substances 0.000 description 2
- 229920000151 polyglycol Polymers 0.000 description 2
- 239000010695 polyglycol Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 1
- 229910016569 AlF 3 Inorganic materials 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 229910001672 fluorine mineral Inorganic materials 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- UCLRHEGLZXQJKQ-UHFFFAOYSA-N silicic acid hydrofluoride Chemical compound F.[Si](O)(O)(O)O UCLRHEGLZXQJKQ-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000004072 triols Chemical class 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000002912 waste gas Substances 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
- C01B7/193—Preparation from silicon tetrafluoride, fluosilicic acid or fluosilicates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB0067597 | 1962-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1271086B true DE1271086B (de) | 1968-06-27 |
Family
ID=6975581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19621271086 Withdrawn DE1271086B (de) | 1962-06-07 | 1962-06-07 | Verfahren zur Gewinnung von Flusssaeure aus Kieselfluorwasserstoffsaeure |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE633298A (enrdf_load_stackoverflow) |
| CH (1) | CH444127A (enrdf_load_stackoverflow) |
| DE (1) | DE1271086B (enrdf_load_stackoverflow) |
| FI (1) | FI41151C (enrdf_load_stackoverflow) |
| FR (1) | FR1514921A (enrdf_load_stackoverflow) |
| NL (2) | NL132434C (enrdf_load_stackoverflow) |
| SE (1) | SE309410B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3947558A (en) * | 1973-08-16 | 1976-03-30 | Dow Chemical (Nederland) B.V. | Method of recovering HF from mixtures containing C1 -C3 halocarbon compounds |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2413205A (en) * | 1943-04-17 | 1946-12-24 | Phillips Petroleum Co | Dehydration of hydrohalogen acid by distillation |
| US2520947A (en) * | 1946-04-08 | 1950-09-05 | Phillips Petroleum Co | Recovery of hydrogen halides |
-
0
- BE BE633298D patent/BE633298A/fr unknown
- NL NL293711D patent/NL293711A/xx unknown
- NL NL132434D patent/NL132434C/xx active
-
1962
- 1962-06-07 DE DE19621271086 patent/DE1271086B/de not_active Withdrawn
-
1963
- 1963-05-28 CH CH668663A patent/CH444127A/de unknown
- 1963-06-04 FR FR936924A patent/FR1514921A/fr not_active Expired
- 1963-06-05 FI FI114163A patent/FI41151C/fi active
- 1963-06-06 SE SE625963A patent/SE309410B/xx unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2413205A (en) * | 1943-04-17 | 1946-12-24 | Phillips Petroleum Co | Dehydration of hydrohalogen acid by distillation |
| US2520947A (en) * | 1946-04-08 | 1950-09-05 | Phillips Petroleum Co | Recovery of hydrogen halides |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3947558A (en) * | 1973-08-16 | 1976-03-30 | Dow Chemical (Nederland) B.V. | Method of recovering HF from mixtures containing C1 -C3 halocarbon compounds |
Also Published As
| Publication number | Publication date |
|---|---|
| FI41151B (enrdf_load_stackoverflow) | 1969-06-02 |
| FI41151C (fi) | 1969-09-10 |
| NL132434C (enrdf_load_stackoverflow) | |
| SE309410B (enrdf_load_stackoverflow) | 1969-03-24 |
| NL293711A (enrdf_load_stackoverflow) | |
| CH444127A (de) | 1967-09-30 |
| FR1514921A (fr) | 1968-03-01 |
| BE633298A (enrdf_load_stackoverflow) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |