SE396060B - Sett att framstella hogaktiv kiseldioxid och rent fluorvete ur kisel- och fluorhaltiga gaser - Google Patents
Sett att framstella hogaktiv kiseldioxid och rent fluorvete ur kisel- och fluorhaltiga gaserInfo
- Publication number
- SE396060B SE396060B SE1363572A SE1363572A SE396060B SE 396060 B SE396060 B SE 396060B SE 1363572 A SE1363572 A SE 1363572A SE 1363572 A SE1363572 A SE 1363572A SE 396060 B SE396060 B SE 396060B
- Authority
- SE
- Sweden
- Prior art keywords
- fluorveat
- silke
- fluorous
- gases
- pure
- Prior art date
Links
- 239000007789 gas Substances 0.000 title 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19346771A | 1971-10-28 | 1971-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE396060B true SE396060B (sv) | 1977-09-05 |
Family
ID=22713763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1363572A SE396060B (sv) | 1971-10-28 | 1972-10-23 | Sett att framstella hogaktiv kiseldioxid och rent fluorvete ur kisel- och fluorhaltiga gaser |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE790472A (it) |
| CA (1) | CA979179A (it) |
| DE (1) | DE2251787C2 (it) |
| FR (1) | FR2158314B1 (it) |
| GB (1) | GB1413333A (it) |
| IT (1) | IT975395B (it) |
| NL (1) | NL170402C (it) |
| SE (1) | SE396060B (it) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3206766A1 (de) * | 1982-02-25 | 1983-09-01 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von fuer solarzellen verwendbarem silizium |
| ZA95482B (en) * | 1994-01-31 | 1995-10-09 | Atomic Energy South Africa | Treatment of a chemical |
| ES2300201B1 (es) * | 2006-11-15 | 2009-06-05 | Casals Cardona Industrial, S.A. | Procedimiento de depuracion de gases residuales que contienen metil mercaptano, particulas solidas y tetrafluoruro de silicio, con produccion de un efluente revalorizable. |
| CN107601434A (zh) * | 2017-11-07 | 2018-01-19 | 衢州市鼎盛化工科技有限公司 | 一种由氟硅酸制备氟化氢的方法及设备 |
| CN108816029B (zh) * | 2018-08-02 | 2023-10-13 | 浙江中宁硅业有限公司 | 一种利用低浓度hf酸处理四氟化硅气体的方法及其处理设备 |
| CN112551531A (zh) * | 2020-11-24 | 2021-03-26 | 浙江巨化技术中心有限公司 | 一种联产氟化氢、白炭黑和硫酸钾的方法 |
| CN113266434B (zh) * | 2021-05-08 | 2025-04-18 | 西安热工研究院有限公司 | 一种基于硅燃料储能的能源系统及其工作方法 |
| US11891344B2 (en) | 2022-04-20 | 2024-02-06 | Chtem Limited | Methods for graded utilization of fluorine and silicon resources in phosphate ores |
| CN114988920B (zh) * | 2022-04-20 | 2023-01-13 | 贵州新东浩化工材料科技有限公司 | 一种分级利用磷矿石中氟、硅资源的方法 |
| CN114920202B (zh) * | 2022-05-31 | 2023-06-06 | 江西天行化工有限责任公司 | 一种氟化氢制备方法 |
| CN116425167B (zh) * | 2023-04-19 | 2024-07-16 | 贵州瓮福蓝天氟化工股份有限公司 | 一种氟硅酸溶液的浓缩方法及系统 |
| CN117509548B (zh) * | 2023-12-04 | 2024-07-05 | 云南氟磷电子科技有限公司 | 一种氟硅酸制备氢氟酸联产白炭黑的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2819151A (en) * | 1954-03-02 | 1958-01-07 | Flemmert Gosta Lennart | Process for burning silicon fluorides to form silica |
| US2833628A (en) * | 1954-06-09 | 1958-05-06 | Grace W R & Co | Manufacture of silicon tetrafluoride |
| NL139012B (nl) * | 1961-10-02 | 1973-06-15 | Stauffer Chemical Co | Werkwijze voor het winnen van het fluor in de vorm van geconcentreerd waterstoffluoride. |
-
0
- BE BE790472D patent/BE790472A/xx not_active IP Right Cessation
-
1972
- 1972-09-27 CA CA152,675A patent/CA979179A/en not_active Expired
- 1972-10-21 DE DE19722251787 patent/DE2251787C2/de not_active Expired
- 1972-10-23 SE SE1363572A patent/SE396060B/xx unknown
- 1972-10-26 NL NL7214517A patent/NL170402C/xx not_active IP Right Cessation
- 1972-10-27 GB GB4970372A patent/GB1413333A/en not_active Expired
- 1972-10-27 FR FR7238217A patent/FR2158314B1/fr not_active Expired
- 1972-10-27 IT IT7039572A patent/IT975395B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT975395B (it) | 1974-07-20 |
| DE2251787C2 (de) | 1982-08-26 |
| GB1413333A (en) | 1975-11-12 |
| DE2251787A1 (de) | 1973-05-10 |
| FR2158314A1 (it) | 1973-06-15 |
| NL7214517A (it) | 1973-05-02 |
| FR2158314B1 (it) | 1977-12-23 |
| NL170402B (nl) | 1982-06-01 |
| NL170402C (nl) | 1982-11-01 |
| CA979179A (en) | 1975-12-09 |
| BE790472A (fr) | 1973-02-15 |
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