ES418821A1 - Un procedimiento para la produccion de fluoruro de hidroge-no. - Google Patents
Un procedimiento para la produccion de fluoruro de hidroge-no.Info
- Publication number
- ES418821A1 ES418821A1 ES418821A ES418821A ES418821A1 ES 418821 A1 ES418821 A1 ES 418821A1 ES 418821 A ES418821 A ES 418821A ES 418821 A ES418821 A ES 418821A ES 418821 A1 ES418821 A1 ES 418821A1
- Authority
- ES
- Spain
- Prior art keywords
- hydrogen fluoride
- silicon
- water vapor
- stream
- vapor
- 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.)
- Expired
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
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
- C01B33/183—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane
- C01B33/184—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane by hydrolysis of tetrafluoride
-
- 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
- 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
- C01B7/195—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29012172A | 1972-09-18 | 1972-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES418821A1 true ES418821A1 (es) | 1976-12-01 |
Family
ID=23114613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES418821A Expired ES418821A1 (es) | 1972-09-18 | 1973-09-17 | Un procedimiento para la produccion de fluoruro de hidroge-no. |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE804531A (es) |
| CA (1) | CA1022725A (es) |
| ES (1) | ES418821A1 (es) |
| GB (1) | GB1445139A (es) |
| NL (1) | NL7312836A (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4206189A (en) | 1977-01-04 | 1980-06-03 | Belov Viktor Y | Method of producing hydrogen fluoride and silicon dioxide from silicon tetra-fluoride |
| CN103420383B (zh) * | 2013-07-29 | 2015-12-23 | 中国化学赛鼎宁波工程有限公司 | 以磷肥副产物氟硅酸盐为原料制备气相法白炭黑和无水氢氟酸的方法 |
| CN116332133A (zh) * | 2023-04-19 | 2023-06-27 | 贵州瓮福蓝天氟化工股份有限公司 | 一种含氟化氢和硫酸混合溶液的分离方法 |
-
1973
- 1973-08-30 CA CA180,036A patent/CA1022725A/en not_active Expired
- 1973-09-06 BE BE135375A patent/BE804531A/xx unknown
- 1973-09-10 GB GB4252373A patent/GB1445139A/en not_active Expired
- 1973-09-17 ES ES418821A patent/ES418821A1/es not_active Expired
- 1973-09-18 NL NL7312836A patent/NL7312836A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1445139A (en) | 1976-08-04 |
| CA1022725A (en) | 1977-12-20 |
| NL7312836A (es) | 1974-03-20 |
| BE804531A (fr) | 1974-01-02 |
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