SE7908821L - Sett att framstella kisel eller ferrokisel - Google Patents
Sett att framstella kisel eller ferrokiselInfo
- Publication number
- SE7908821L SE7908821L SE7908821A SE7908821A SE7908821L SE 7908821 L SE7908821 L SE 7908821L SE 7908821 A SE7908821 A SE 7908821A SE 7908821 A SE7908821 A SE 7908821A SE 7908821 L SE7908821 L SE 7908821L
- Authority
- SE
- Sweden
- Prior art keywords
- silicon
- furnace
- reducing agent
- reduction
- amount
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 229920001296 polysiloxane Polymers 0.000 title 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 abstract 8
- 239000003638 chemical reducing agent Substances 0.000 abstract 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 3
- 229910052710 silicon Inorganic materials 0.000 abstract 3
- 239000010703 silicon Substances 0.000 abstract 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract 3
- 229910010271 silicon carbide Inorganic materials 0.000 abstract 3
- 229910052814 silicon oxide Inorganic materials 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 229910000519 Ferrosilicon Inorganic materials 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 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
- C01B33/02—Silicon
- C01B33/021—Preparation
- C01B33/023—Preparation by reduction of silica or free silica-containing material
- C01B33/025—Preparation by reduction of silica or free silica-containing material with carbon or a solid carbonaceous material, i.e. carbo-thermal process
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C35/00—Master alloys for iron or steel
- C22C35/005—Master alloys for iron or steel based on iron, e.g. ferro-alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Silicon Compounds (AREA)
- Carbon And Carbon Compounds (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7908821A SE421065B (sv) | 1979-10-24 | 1979-10-24 | Forfarande for framstellning av kisel eller ferrokisel |
| ZA00806237A ZA806237B (en) | 1979-10-24 | 1980-10-09 | A process for the preparation of silicon or ferrosilicon |
| DE8080850148T DE3071074D1 (en) | 1979-10-24 | 1980-10-10 | A process for the preparation of silicon or ferrosilicon |
| EP80850148A EP0028208B1 (en) | 1979-10-24 | 1980-10-10 | A process for the preparation of silicon or ferrosilicon |
| PT71912A PT71912B (en) | 1979-10-24 | 1980-10-13 | A process for the preparation of silicon or ferrosilicon |
| NO803159A NO152138B (no) | 1979-10-24 | 1980-10-23 | Fremgangsmaate ved fremstilling av silisium og ferrosilisium |
| ES496186A ES496186A0 (es) | 1979-10-24 | 1980-10-23 | Un procedimiento para la preparacion de silicio o ferrosili-cio |
| CA000363047A CA1150932A (en) | 1979-10-24 | 1980-10-23 | Process for the preparation of silicon or ferrosilicon |
| JP14766080A JPS5663814A (en) | 1979-10-24 | 1980-10-23 | Manufacture of silicon or ferrosilicon |
| BR8006856A BR8006856A (pt) | 1979-10-24 | 1980-10-24 | Processo para a preparacao de silicio ou ferro-silicio |
| US06/363,812 US4435209A (en) | 1979-10-24 | 1982-03-31 | Process for the preparation of silicon or ferrosilicon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7908821A SE421065B (sv) | 1979-10-24 | 1979-10-24 | Forfarande for framstellning av kisel eller ferrokisel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7908821L true SE7908821L (sv) | 1981-04-25 |
| SE421065B SE421065B (sv) | 1981-11-23 |
Family
ID=20339150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7908821A SE421065B (sv) | 1979-10-24 | 1979-10-24 | Forfarande for framstellning av kisel eller ferrokisel |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4435209A (sv) |
| EP (1) | EP0028208B1 (sv) |
| JP (1) | JPS5663814A (sv) |
| BR (1) | BR8006856A (sv) |
| CA (1) | CA1150932A (sv) |
| DE (1) | DE3071074D1 (sv) |
| ES (1) | ES496186A0 (sv) |
| NO (1) | NO152138B (sv) |
| PT (1) | PT71912B (sv) |
| SE (1) | SE421065B (sv) |
| ZA (1) | ZA806237B (sv) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU187645B (en) * | 1982-02-18 | 1986-02-28 | Vasipari Kutato Fejleszto | Process for the production of complex ferro-alloys of si-base |
| US5069740A (en) * | 1984-09-04 | 1991-12-03 | Texas Instruments Incorporated | Production of semiconductor grade silicon spheres from metallurgical grade silicon particles |
| IT1176955B (it) * | 1984-10-12 | 1987-08-26 | Samin Abrasivi Spa | Procedimento di produzione di silicio metallico adatto per essere impiegato nell'industria fotovoltaica |
| US4798659A (en) * | 1986-12-22 | 1989-01-17 | Dow Corning Corporation | Addition of calcium compounds to the carbothermic reduction of silica |
| US5174982A (en) * | 1990-12-12 | 1992-12-29 | Dow Corning Corporation | Control of carbon balance in a silicon smelting furnace |
| NO178346C (no) * | 1993-09-13 | 1996-03-06 | Sydvaranger As | Framgangsmåte for framstilling av ferrosilisium |
| US20080314446A1 (en) * | 2007-06-25 | 2008-12-25 | General Electric Company | Processes for the preparation of solar-grade silicon and photovoltaic cells |
| US20080314445A1 (en) * | 2007-06-25 | 2008-12-25 | General Electric Company | Method for the preparation of high purity silicon |
| US7572425B2 (en) * | 2007-09-14 | 2009-08-11 | General Electric Company | System and method for producing solar grade silicon |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE220338C1 (sv) * | ||||
| DE160101C (sv) * | ||||
| FR1530655A (fr) * | 1967-05-19 | 1968-06-28 | Pechiney Prod Chimiques Sa | Fabrication du silicium et de ses alliages par carbothermie |
| BE759122A (fr) * | 1969-11-19 | 1971-05-18 | Union Carbide Corp | Procede et charge de production de silicium au four a arc electrique par reduction carbothermique de silice |
| US3704094A (en) | 1969-11-19 | 1972-11-28 | Union Carbide Corp | Process for the production of elemental silicon |
| JPS5133050B1 (sv) * | 1971-05-10 | 1976-09-17 | ||
| NO129623B (sv) * | 1972-01-25 | 1974-05-06 | Elkem Spigerverket As | |
| SE415558B (sv) | 1978-06-02 | 1980-10-13 | Kema Nord Ab | Forfarande for framstellning av kisel eller fenokisel |
-
1979
- 1979-10-24 SE SE7908821A patent/SE421065B/sv not_active IP Right Cessation
-
1980
- 1980-10-09 ZA ZA00806237A patent/ZA806237B/xx unknown
- 1980-10-10 EP EP80850148A patent/EP0028208B1/en not_active Expired
- 1980-10-10 DE DE8080850148T patent/DE3071074D1/de not_active Expired
- 1980-10-13 PT PT71912A patent/PT71912B/pt unknown
- 1980-10-23 CA CA000363047A patent/CA1150932A/en not_active Expired
- 1980-10-23 JP JP14766080A patent/JPS5663814A/ja active Pending
- 1980-10-23 NO NO803159A patent/NO152138B/no unknown
- 1980-10-23 ES ES496186A patent/ES496186A0/es active Granted
- 1980-10-24 BR BR8006856A patent/BR8006856A/pt unknown
-
1982
- 1982-03-31 US US06/363,812 patent/US4435209A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5663814A (en) | 1981-05-30 |
| ZA806237B (en) | 1981-09-30 |
| PT71912B (en) | 1981-08-31 |
| CA1150932A (en) | 1983-08-02 |
| NO803159L (no) | 1981-04-27 |
| DE3071074D1 (en) | 1985-10-17 |
| NO152138B (no) | 1985-04-29 |
| ES8107125A1 (es) | 1981-09-16 |
| ES496186A0 (es) | 1981-09-16 |
| EP0028208B1 (en) | 1985-09-11 |
| SE421065B (sv) | 1981-11-23 |
| PT71912A (en) | 1980-11-01 |
| US4435209A (en) | 1984-03-06 |
| BR8006856A (pt) | 1981-04-28 |
| EP0028208A1 (en) | 1981-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7908821-7 Effective date: 19920510 Format of ref document f/p: F |