MY100749A - Production of silicon from raw quartz - Google Patents
Production of silicon from raw quartzInfo
- Publication number
- MY100749A MY100749A MYPI86000216A MYPI19860216A MY100749A MY 100749 A MY100749 A MY 100749A MY PI86000216 A MYPI86000216 A MY PI86000216A MY PI19860216 A MYPI19860216 A MY PI19860216A MY 100749 A MY100749 A MY 100749A
- Authority
- MY
- Malaysia
- Prior art keywords
- furnace
- quartz
- reducing agent
- sic
- silicon
- Prior art date
Links
- 229910052710 silicon Inorganic materials 0.000 title abstract 3
- 239000010703 silicon Substances 0.000 title abstract 3
- 239000010453 quartz Substances 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 6
- 239000003638 chemical reducing agent Substances 0.000 abstract 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract 1
- 229910010271 silicon carbide Inorganic materials 0.000 abstract 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)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Silicon Compounds (AREA)
- Carbon And Carbon Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
IN A PROCESS FOR THE PRODUCTION OF SILICON FROM RAW QUARTZ IN A ELECTRIC LOW-SHAFT FURNACE, IN WHICH THE ELECTRIC LOW-SHAFT FURNACE IS CHARGED WITH THE RAW QUARTZ IN GRANULAR FROM TOGETHER WITH BRIQUETTES OF A QUARTZ/CARBON REDUCING AGENT HAVING EXCESS CARBON IN RELATION TO THE REACTION SIO2 + 3C =SIC + 2CO, THE QUARTZ IN THE BRIQUETTED REDUCING AGENT IS FIRST CONVERTED TO SIC AT A TEMPERATURE BELOW 1600?C IN AN UPPER SECTION OF THE FURNACE, AND THE MOLTEN RAW QUARTZ IS THEN REDUCED AT A TEMPERATURE ABOVE 1600?C IN A LOWER SECTION OF THE FURNACE, AND USE IS MADE OF BRIQUETTED REDUCING AGENT HAVING AN EXCESS OF MORE THAN 50WT.ARBON IN RELATION TO THE RECTION SIO2 + 3C = SIC + 2CO, AND THE BRIQUETTED REDUCING AGENT IS CONVERTED TO SIC PLUS ACTIVATED CARBON AT A TEMPERATURE BELOW 1600?C IN THE UPPER SECTION OF THE FURNACE, AT WHICH STAGE THE BRIQUETTES OF REDUCING AGENT ASSUME A COKE-LIKE STRUCTURE, AND THE MOLTEN RAW QUARTZ IS REDUCED PARTLY BY THIS ACTIVATED CARBON AND PARTLY BY THE SILICON CARBIDE AT A TEMPERATURE ABOVE 1600?C IN THE LOWER SECTION OF THE FURNACE. THIS PROCESS ATTAINS A HIGH SILICON YIELD AT A LOWER ENERGY CONSUMPTION
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3342890 | 1983-11-26 | ||
| DE19843411731 DE3411731A1 (en) | 1983-11-26 | 1984-03-30 | METHOD FOR PRODUCING SILICON FROM RAW MATERIAL QUARTZ IN AN ELECTRONIC LOWER FURNACE AND METHOD FOR REDUCING OXIDIC RAW MATERIALS |
| GB08428898A GB2150128B (en) | 1983-11-26 | 1984-11-15 | Production of silicon from raw quartz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MY100749A true MY100749A (en) | 1991-02-14 |
Family
ID=25815937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MYPI86000216A MY100749A (en) | 1983-11-26 | 1986-12-17 | Production of silicon from raw quartz |
Country Status (27)
| Country | Link |
|---|---|
| AT (1) | AT396460B (en) |
| AU (1) | AU568166B2 (en) |
| BE (1) | BE901114A (en) |
| BR (1) | BR8405974A (en) |
| CA (1) | CA1217032A (en) |
| CH (1) | CH663610A5 (en) |
| DD (1) | DD229102A5 (en) |
| DE (1) | DE3411731A1 (en) |
| DK (1) | DK168003B1 (en) |
| ES (1) | ES8600702A1 (en) |
| FI (1) | FI76056C (en) |
| FR (1) | FR2555565B1 (en) |
| GB (1) | GB2150128B (en) |
| IE (1) | IE57642B1 (en) |
| IN (1) | IN162374B (en) |
| IT (1) | IT1177279B (en) |
| LU (1) | LU85649A1 (en) |
| MX (1) | MX162694A (en) |
| MY (1) | MY100749A (en) |
| NL (1) | NL8403572A (en) |
| NO (1) | NO163004B (en) |
| PH (1) | PH22408A (en) |
| PL (1) | PL148125B1 (en) |
| PT (1) | PT79544B (en) |
| SE (1) | SE461647B (en) |
| YU (1) | YU43676B (en) |
| ZW (1) | ZW19184A1 (en) |
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 (en) * | 1985-05-21 | 1986-11-27 | International Minerals & Chemical Corp., Northbrook, Ill. | METHOD FOR THE PRODUCTION OF SILICON OR FERROSILICIUM IN AN ELECTRONIC SHELL OVEN AND FOR THE METHOD SUITABLE RAW MATERIALS |
| US4981668A (en) * | 1986-04-29 | 1991-01-01 | Dow Corning Corporation | Silicon carbide as a raw material for silicon production |
| DE3724541A1 (en) * | 1987-07-24 | 1989-02-02 | Applied Ind Materials | METHOD AND SYSTEM FOR THE PRODUCTION OF RAW MATERIAL BRIQUETTES FOR THE PRODUCTION OF SILICON OR SILICON CARBIDE OR FERROSILICIUM |
| SE461037B (en) * | 1987-10-09 | 1989-12-18 | Skf Plasma Tech | COATED BY COAL AND SILICON Dioxide CONTINUOUSLY MAKING LIQUID SILICONE IN A REACTOR |
| 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 (en) * | 1989-07-15 | 1990-07-26 | Applied Industrial Materials Corp. Aimcor, Deerfield, Ill., Us | |
| NZ591284A (en) * | 2008-09-30 | 2013-02-22 | Evonik Degussa Gmbh | Production of solar-grade silicon from silicon dioxide |
| EP2530050A1 (en) * | 2011-06-03 | 2012-12-05 | Evonik Solar Norge AS | Starting materials for production of solar grade silicon feedstock |
| WO2012163534A1 (en) * | 2011-06-03 | 2012-12-06 | 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 (en) * | 1967-05-19 | 1968-06-28 | Pechiney Prod Chimiques Sa | Manufacture of silicon and its alloys by carbothermal energy |
| DE1915905C3 (en) * | 1969-03-28 | 1974-07-11 | Eschweiler Bergwerks-Verein, 5122 Kohlscheid | Process for the production of hot briquettes |
| 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 |
| GB2008559A (en) * | 1977-09-09 | 1979-06-06 | Goldblatt N Z | Production of silicon |
| DE3009808C2 (en) * | 1980-03-14 | 1982-02-18 | Coc-Luxembourg S.A., Luxembourg | Process for the production of raw material blanks containing silicon and carbon and the use of the raw material blanks |
| DE3032720C2 (en) * | 1980-08-30 | 1982-12-16 | International Minerals & Chemical Luxembourg S.A., 2010 Luxembourg | Process for the production of silicon from quartz and carbon in an electric furnace |
-
1984
- 1984-03-30 DE DE19843411731 patent/DE3411731A1/en active Granted
- 1984-11-13 IN IN781/CAL/84A patent/IN162374B/en unknown
- 1984-11-15 CH CH5468/84A patent/CH663610A5/en not_active IP Right Cessation
- 1984-11-15 GB GB08428898A patent/GB2150128B/en not_active Expired
- 1984-11-21 IT IT23680/84A patent/IT1177279B/en active
- 1984-11-21 DD DD84269725A patent/DD229102A5/en not_active IP Right Cessation
- 1984-11-22 PH PH31474A patent/PH22408A/en unknown
- 1984-11-23 BE BE2/60552A patent/BE901114A/en not_active IP Right Cessation
- 1984-11-23 NO NO844668A patent/NO163004B/en unknown
- 1984-11-23 SE SE8405904A patent/SE461647B/en not_active Application Discontinuation
- 1984-11-23 FR FR8417923A patent/FR2555565B1/en not_active Expired
- 1984-11-23 LU LU85649A patent/LU85649A1/en unknown
- 1984-11-23 DK DK557384A patent/DK168003B1/en not_active IP Right Cessation
- 1984-11-23 BR BR8405974A patent/BR8405974A/en not_active IP Right Cessation
- 1984-11-23 IE IE3012/84A patent/IE57642B1/en not_active IP Right Cessation
- 1984-11-23 YU YU1987/84A patent/YU43676B/en unknown
- 1984-11-23 PT PT79544A patent/PT79544B/en not_active IP Right Cessation
- 1984-11-23 NL NL8403572A patent/NL8403572A/en active Search and Examination
- 1984-11-23 FI FI844617A patent/FI76056C/en not_active IP Right Cessation
- 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 MX MX203487A patent/MX162694A/en unknown
- 1984-11-26 PL PL1984250592A patent/PL148125B1/en unknown
- 1984-11-26 ZW ZW191/84A patent/ZW19184A1/en unknown
- 1984-11-26 AT AT0373684A patent/AT396460B/en not_active IP Right Cessation
- 1984-11-26 ES ES537973A patent/ES8600702A1/en not_active Expired
-
1986
- 1986-12-17 MY MYPI86000216A patent/MY100749A/en unknown
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