RU2009107351A - MIXTURE FOR Smelting Pure Metallic Silicon - Google Patents
MIXTURE FOR Smelting Pure Metallic Silicon Download PDFInfo
- Publication number
- RU2009107351A RU2009107351A RU2009107351/02A RU2009107351A RU2009107351A RU 2009107351 A RU2009107351 A RU 2009107351A RU 2009107351/02 A RU2009107351/02 A RU 2009107351/02A RU 2009107351 A RU2009107351 A RU 2009107351A RU 2009107351 A RU2009107351 A RU 2009107351A
- Authority
- RU
- Russia
- Prior art keywords
- carbon
- mixture
- reducing agent
- silicon dioxide
- containing reducing
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract 5
- 238000003723 Smelting Methods 0.000 title claims abstract 3
- 229910052710 silicon Inorganic materials 0.000 title claims abstract 3
- 239000010703 silicon Substances 0.000 title claims abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract 12
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract 6
- 239000003638 chemical reducing agent Substances 0.000 claims abstract 6
- 239000000377 silicon dioxide Substances 0.000 claims abstract 6
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000006229 carbon black Substances 0.000 claims abstract 2
- 239000004071 soot Substances 0.000 claims abstract 2
Landscapes
- Silicon Compounds (AREA)
Abstract
Шихта для выплавки чистого металлического кремния, включающая двуокись кремния и углеродсодержащий восстановитель, отличающаяся тем, что в состав шихты входят аморфная (стеклообразная) двуокись кремния, гель кремневой кислоты и углеродсодержащий восстановитель (сажа) при следующем соотношении компонентов, мас.%: ! аморфная (стеклообразная) двуокись кремния 36-44 гель кремневой кислоты 9-17 углеродсодержащий восстановитель (сажа) 47-55 A mixture for smelting pure metallic silicon, including silicon dioxide and a carbon-containing reducing agent, characterized in that the mixture contains amorphous (glassy) silicon dioxide, silicic acid gel and a carbon-containing reducing agent (carbon black) in the following ratio, wt.%:! amorphous (glassy) silicon dioxide 36-44 silicic acid gel 9-17 carbon-containing reducing agent (soot) 47-55
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2009107351/02A RU2424341C2 (en) | 2009-03-03 | 2009-03-03 | Charge for melting fine metal silicon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2009107351/02A RU2424341C2 (en) | 2009-03-03 | 2009-03-03 | Charge for melting fine metal silicon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2009107351A true RU2009107351A (en) | 2010-09-10 |
| RU2424341C2 RU2424341C2 (en) | 2011-07-20 |
Family
ID=42800047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2009107351/02A RU2424341C2 (en) | 2009-03-03 | 2009-03-03 | Charge for melting fine metal silicon |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2424341C2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2666420C1 (en) | 2017-11-20 | 2018-09-07 | Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" | Method of obtaining restorer for production of technical silicon |
| RU2713143C1 (en) * | 2019-05-15 | 2020-02-03 | Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" | Carbonaceous reducing agent for production of technical silicon and method of its production |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE759122A (en) * | 1969-11-19 | 1971-05-18 | Union Carbide Corp | PROCESS AND CHARGE FOR THE PRODUCTION OF SILICON IN AN ELECTRIC ARC OVEN BY CARBOTHERMAL REDUCTION OF SILICA |
| RU2042721C1 (en) * | 1992-10-06 | 1995-08-27 | Александр Евгеньевич Черных | Method of preparing burden for silicon melting |
| RU2049057C1 (en) * | 1993-09-09 | 1995-11-27 | Малое научно-внедренческое предприятие "Сибтерм" | Caked charge for melting silicium |
-
2009
- 2009-03-03 RU RU2009107351/02A patent/RU2424341C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2424341C2 (en) | 2011-07-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20120304 |