DK66577A - Terner azeotrop af fluorkiselsyre, hydrogenfluorid og vand - Google Patents
Terner azeotrop af fluorkiselsyre, hydrogenfluorid og vandInfo
- Publication number
- DK66577A DK66577A DK66577A DK66577A DK66577A DK 66577 A DK66577 A DK 66577A DK 66577 A DK66577 A DK 66577A DK 66577 A DK66577 A DK 66577A DK 66577 A DK66577 A DK 66577A
- Authority
- DK
- Denmark
- Prior art keywords
- terner
- azeotrop
- fluoro
- water
- hydrogen fluoride
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
- C01B33/10—Compounds containing silicon, fluorine, and other elements
- C01B33/103—Fluosilicic acid; Salts thereof
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/660,294 US4008130A (en) | 1976-02-23 | 1976-02-23 | Method for distilling a ternary azeotrope of fluorosilicic acid, hydrogen fluoride and water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK66577A true DK66577A (da) | 1977-08-24 |
Family
ID=24648913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK66577A DK66577A (da) | 1976-02-23 | 1977-02-16 | Terner azeotrop af fluorkiselsyre, hydrogenfluorid og vand |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4008130A (da) |
| JP (1) | JPS52111494A (da) |
| BE (1) | BE851618A (da) |
| CA (1) | CA1076513A (da) |
| DE (1) | DE2707487A1 (da) |
| DK (1) | DK66577A (da) |
| FR (1) | FR2341521A1 (da) |
| GB (1) | GB1538714A (da) |
| NL (1) | NL7701569A (da) |
| SE (1) | SE422781B (da) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3246121A1 (de) * | 1982-12-13 | 1984-06-14 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von borfreiem siliziumdioxid |
| US4470959A (en) * | 1983-06-20 | 1984-09-11 | Allied Corporation | Continuous production of silicon tetrafluoride gas in a vertical column |
| US4714604A (en) * | 1986-08-13 | 1987-12-22 | The Dow Chemical Company | Method of separating HF and SiF4 from HCl |
| US5061348A (en) * | 1988-08-12 | 1991-10-29 | Alameda Instruments | Sulfuric acid reprocessor with continuous purge of second distillation vessel |
| US4980032A (en) * | 1988-08-12 | 1990-12-25 | Alameda Instruments, Inc. | Distillation method and apparatus for reprocessing sulfuric acid |
| US4936955A (en) * | 1988-08-12 | 1990-06-26 | Alameda Instruments, Inc. | Hydrofluoric acid reprocessing for semiconductor standards |
| US6793738B2 (en) * | 2002-03-28 | 2004-09-21 | General Electric Company | Method for processing acid treatment solution, solution processed thereby, and method for treating articles therewith |
| DE102006040830A1 (de) * | 2006-08-31 | 2008-03-06 | Wacker Chemie Ag | Verfahren zur Aufarbeitung einer Ätzmischung, die bei der Herstellung von hochreinem Silicium anfällt |
| CN103848426B (zh) * | 2014-02-25 | 2015-08-26 | 瓮福（集团）有限责任公司 | 利用真空降膜蒸发法浓缩氟硅酸的方法 |
| CN104828787B (zh) * | 2015-04-09 | 2017-01-25 | 南通晨光石墨设备有限公司 | 一种混合酸的分离、浓缩工艺方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1484195A (fr) | 1959-08-10 | 1967-06-09 | Chemie Linz Ag | Procédé et dispositif pour la purification ou la concentration éventuellement continue de solutions aqueuses d'acide fluosilicique |
| US3326634A (en) | 1963-12-04 | 1967-06-20 | Porter J Cheairs | Processes for recovering hydrogen fluoride |
| GB1243802A (en) * | 1968-09-25 | 1971-08-25 | Mitchell Ltd L A | Purification of fluosilicic acid |
| DE2035300C2 (de) * | 1970-07-16 | 1983-07-28 | Gewerkschaft Victor Chemische Werke, 4620 Castrop-Rauxel | Verfahren zur Herstellung von konzentrierter H↓2↓SiF↓6↓-Lösung |
| DE2248149A1 (de) * | 1972-09-30 | 1974-04-04 | Bayer Ag | Verfahren zur aufbereitung waessriger kieselfluorwasserstoffsaeuren |
| US3855399A (en) * | 1973-08-16 | 1974-12-17 | Dow Chem Bv | Process of producing hydrogen fluoride from fluosilicic acid |
-
1976
- 1976-02-23 US US05/660,294 patent/US4008130A/en not_active Expired - Lifetime
-
1977
- 1977-02-15 NL NL7701569A patent/NL7701569A/xx not_active Application Discontinuation
- 1977-02-16 DK DK66577A patent/DK66577A/da not_active Application Discontinuation
- 1977-02-18 BE BE175092A patent/BE851618A/xx not_active IP Right Cessation
- 1977-02-21 CA CA272,168A patent/CA1076513A/en not_active Expired
- 1977-02-21 DE DE19772707487 patent/DE2707487A1/de not_active Withdrawn
- 1977-02-22 JP JP1783677A patent/JPS52111494A/ja active Pending
- 1977-02-22 GB GB7478/77A patent/GB1538714A/en not_active Expired
- 1977-02-22 FR FR7705047A patent/FR2341521A1/fr active Granted
- 1977-02-23 SE SE7702026A patent/SE422781B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1538714A (en) | 1979-01-24 |
| CA1076513A (en) | 1980-04-29 |
| NL7701569A (nl) | 1977-08-25 |
| SE7702026L (sv) | 1977-08-24 |
| FR2341521A1 (fr) | 1977-09-16 |
| FR2341521B1 (da) | 1980-12-19 |
| SE422781B (sv) | 1982-03-29 |
| BE851618A (fr) | 1977-08-18 |
| US4008130A (en) | 1977-02-15 |
| JPS52111494A (en) | 1977-09-19 |
| DE2707487A1 (de) | 1977-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IT1090943B (it) | Concentrato acquoso stabile contenente perossidi | |
| DK419877A (da) | Fremgangsmaade til kemisk omdannelse af fortimicin-b til fortimicin-a og andre 4-n-acylfortimicin-b-derivater | |
| IT1094023B (it) | Terpolimeri contenenti fluoro | |
| DK499477A (da) | Anvendelse af ergotpeptidalkaloid-praeparat | |
| DK103377A (da) | Fremgangsmade til fremstilling af hydrogenperoxid | |
| SE7710338L (sv) | Vattenreningsanordning | |
| IT1118001B (it) | Procedimento e apparecchiatura per produrre acqua pura | |
| SE7714505L (sv) | Vatoverforingsforfarande | |
| DK66577A (da) | Terner azeotrop af fluorkiselsyre, hydrogenfluorid og vand | |
| DK496977A (da) | Fremgangsmaade til fremstilling af 0-alkylerede hydroxylaminer og syreadditionssalte deraf | |
| DK145030C (da) | Kredsloeb til forhindring af tilbagekoblinger | |
| DK147680C (da) | Fremgangsmaade til rensning af vaadphosphorsyre | |
| DK517579A (da) | Fremgangsmaade til renfremstilling af kaliumribonat og ribonolacton | |
| DK179277A (da) | Fremgangsmade til oxidation af olefiner | |
| DK148786C (da) | Baererlag bestaaende af vliesstof | |
| DK258177A (da) | Fremgangsmade til fremstilling af methicillinalkylaminoalkylestere | |
| SE7701127L (sv) | Vattenavskiljningscell | |
| DK142877A (da) | Fremgangsmade til fremstilling af hydrogen | |
| DK117177A (da) | Fremgangsmade og reaktor til fremstilling af kobberphthalocyanin | |
| DK117777A (da) | Fremgangsmade og anleg til rensning af spildevand | |
| DK144823C (da) | Fremgangsmaade til fremstilling af o,o-dialkyl-thiophosphorsyreesterchlorider | |
| DK157752C (da) | Fremgangsmaade og fremstilling af thiocarbohydrazi d | |
| DK302577A (da) | Derivater af 2-cyanohexansyre | |
| DK419977A (da) | 4-(-substituerede derivater af fortimicin b og fremgangsmaade til kemisk omdannelse af fortimicin b til fortimicin c og andre 4-substituerede fortimicin-b- derivater | |
| DK2577A (da) | Fremgangsmade til fremstilling af prostaglandinanaloge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |