BR8405974A - Processo para a preparacao de silicio a partir de quartzo de materia-prima em um forno de cuba baixa eletrico - Google Patents
Processo para a preparacao de silicio a partir de quartzo de materia-prima em um forno de cuba baixa eletricoInfo
- Publication number
- BR8405974A BR8405974A BR8405974A BR8405974A BR8405974A BR 8405974 A BR8405974 A BR 8405974A BR 8405974 A BR8405974 A BR 8405974A BR 8405974 A BR8405974 A BR 8405974A BR 8405974 A BR8405974 A BR 8405974A
- Authority
- BR
- Brazil
- Prior art keywords
- silicon
- preparation
- raw material
- electric low
- material quartz
- Prior art date
Links
- 239000002994 raw material Substances 0.000 title 1
- 229910052710 silicon Inorganic materials 0.000 title 1
- 239000010703 silicon Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
- Carbon And Carbon Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3342890 | 1983-11-26 | ||
| DE19843411731 DE3411731A1 (de) | 1983-11-26 | 1984-03-30 | Verfahren zur herstellung von silicium aus rohstoff-quarz in einem elektroniederschachtofen sowie verfahren zur reduktion von oxidischen rohstoffen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8405974A true BR8405974A (pt) | 1985-08-06 |
Family
ID=25815937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8405974A BR8405974A (pt) | 1983-11-26 | 1984-11-23 | Processo para a preparacao de silicio a partir de quartzo de materia-prima em um forno de cuba baixa eletrico |
Country Status (27)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3356169A (en) * | 1966-04-01 | 1967-12-05 | Emery Co A H | Batch weigher with respective dials for successive loads and total weight |
| DE3541125A1 (de) * | 1985-05-21 | 1986-11-27 | International Minerals & Chemical Corp., Northbrook, Ill. | Verfahren zur herstellung von silicium oder ferrosilicium in einem elektronierderschachtofen und fuer das verfahren geeignete rohstoff-formlinge |
| US4981668A (en) * | 1986-04-29 | 1991-01-01 | Dow Corning Corporation | Silicon carbide as a raw material for silicon production |
| DE3724541A1 (de) * | 1987-07-24 | 1989-02-02 | Applied Ind Materials | Verfahren und anlage zur herstellung von rohstoff-briketts fuer die erzeugung von silicium oder von siliciumcarbid oder von ferrosilicium |
| SE461037B (sv) * | 1987-10-09 | 1989-12-18 | Skf Plasma Tech | Saett att av kol och kiseldioxid kontinuerligt framstaella flytande kisel i en reaktor |
| US4997474A (en) * | 1988-08-31 | 1991-03-05 | Dow Corning Corporation | Silicon smelting process |
| US4897852A (en) * | 1988-08-31 | 1990-01-30 | Dow Corning Corporation | Silicon smelting process |
| US4898712A (en) * | 1989-03-20 | 1990-02-06 | Dow Corning Corporation | Two-stage ferrosilicon smelting process |
| DE3923446C1 (enrdf_load_stackoverflow) * | 1989-07-15 | 1990-07-26 | Applied Industrial Materials Corp. Aimcor, Deerfield, Ill., Us | |
| JP2012504103A (ja) * | 2008-09-30 | 2012-02-16 | エボニック デグサ ゲーエムベーハー | 二酸化珪素からのソーラーグレードシリコンの製造 |
| WO2012163534A1 (en) * | 2011-06-03 | 2012-12-06 | Evonik Solar Norge As | Starting materials for production of solar grade silicon feedstock |
| EP2530050A1 (en) * | 2011-06-03 | 2012-12-05 | Evonik Solar Norge AS | Starting materials for production of solar grade silicon feedstock |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1530655A (fr) * | 1967-05-19 | 1968-06-28 | Pechiney Prod Chimiques Sa | Fabrication du silicium et de ses alliages par carbothermie |
| DE1915905C3 (de) * | 1969-03-28 | 1974-07-11 | Eschweiler Bergwerks-Verein, 5122 Kohlscheid | Verfahren zum Herstellen von Heißbriketts |
| 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 |
| GB2008559A (en) * | 1977-09-09 | 1979-06-06 | Goldblatt N Z | Production of silicon |
| DE3009808C2 (de) * | 1980-03-14 | 1982-02-18 | Coc-Luxembourg S.A., Luxembourg | Verfahren zur Herstellung von silicium- und kohlenstoffhaltigen Rohstoff-Formlingen und Verwendung der Rohstoff-Formlinge |
| DE3032720C2 (de) * | 1980-08-30 | 1982-12-16 | International Minerals & Chemical Luxembourg S.A., 2010 Luxembourg | Verfahren zur Herstellung von Silicium aus Quarz und Kohlenstoff im Elektroofen |
-
1984
- 1984-03-30 DE DE19843411731 patent/DE3411731A1/de active Granted
- 1984-11-13 IN IN781/CAL/84A patent/IN162374B/en unknown
- 1984-11-15 GB GB08428898A patent/GB2150128B/en not_active Expired
- 1984-11-15 CH CH5468/84A patent/CH663610A5/de not_active IP Right Cessation
- 1984-11-21 DD DD84269725A patent/DD229102A5/de not_active IP Right Cessation
- 1984-11-21 IT IT23680/84A patent/IT1177279B/it active
- 1984-11-22 PH PH31474A patent/PH22408A/en unknown
- 1984-11-23 DK DK557384A patent/DK168003B1/da not_active IP Right Cessation
- 1984-11-23 SE SE8405904A patent/SE461647B/sv not_active Application Discontinuation
- 1984-11-23 NO NO844668A patent/NO163004B/no unknown
- 1984-11-23 YU YU1987/84A patent/YU43676B/xx unknown
- 1984-11-23 FR FR8417923A patent/FR2555565B1/fr not_active Expired
- 1984-11-23 LU LU85649A patent/LU85649A1/de unknown
- 1984-11-23 IE IE3012/84A patent/IE57642B1/en not_active IP Right Cessation
- 1984-11-23 NL NL8403572A patent/NL8403572A/nl active Search and Examination
- 1984-11-23 BR BR8405974A patent/BR8405974A/pt not_active IP Right Cessation
- 1984-11-23 FI FI844617A patent/FI76056C/fi not_active IP Right Cessation
- 1984-11-23 PT PT79544A patent/PT79544B/pt not_active IP Right Cessation
- 1984-11-23 BE BE2/60552A patent/BE901114A/fr not_active IP Right Cessation
- 1984-11-26 ZW ZW191/84A patent/ZW19184A1/xx unknown
- 1984-11-26 MX MX203487A patent/MX162694A/es unknown
- 1984-11-26 AU AU35869/84A patent/AU568166B2/en not_active Ceased
- 1984-11-26 CA CA000468603A patent/CA1217032A/en not_active Expired
- 1984-11-26 PL PL1984250592A patent/PL148125B1/pl unknown
- 1984-11-26 AT AT0373684A patent/AT396460B/de not_active IP Right Cessation
- 1984-11-26 ES ES537973A patent/ES8600702A1/es not_active Expired
-
1986
- 1986-12-17 MY MYPI86000216A patent/MY100749A/en unknown
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 23/11/99 |