ES8600702A1 - Production of silicon from raw quartz - Google Patents

Production of silicon from raw quartz

Info

Publication number
ES8600702A1
ES8600702A1 ES537973A ES537973A ES8600702A1 ES 8600702 A1 ES8600702 A1 ES 8600702A1 ES 537973 A ES537973 A ES 537973A ES 537973 A ES537973 A ES 537973A ES 8600702 A1 ES8600702 A1 ES 8600702A1
Authority
ES
Spain
Prior art keywords
quartz
furnace
silicon
production
raw quartz
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES537973A
Other languages
Spanish (es)
Other versions
ES537973A0 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Minerals and Chemical Corp
Original Assignee
International Minerals and Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Minerals and Chemical Corp filed Critical International Minerals and Chemical Corp
Publication of ES8600702A1 publication Critical patent/ES8600702A1/en
Publication of ES537973A0 publication Critical patent/ES537973A0/en
Granted legal-status Critical Current

Links

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)
  • Manufacture And Refinement Of Metals (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

An electric low-shaft furnace is charged with the raw quartz in granular form together with briquettes of a quartz/carbon reducing agent having excess carbon (>50 wt %) in relation to the reaction SiO2 + 3C = SC + 2CO, the quartz in the briquetted reducing agent is first converted to SiC plus activated carbon at a temperature below 1600 DEG C in an upper section of the furnace, and the molten raw quartz is then reduced at a temperature above 1600 DEG C in a lower section of the furnace.
ES537973A 1983-11-26 1984-11-26 PROCEDURE FOR PREPARING SILICON FROM A QUARTZ RAW MATERIAL IN A LOW CUBA ELECTRIC OVEN Granted ES537973A0 (en)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
ES8600702A1 true ES8600702A1 (en) 1985-11-01
ES537973A0 ES537973A0 (en) 1985-11-01

Family

ID=25815937

Family Applications (1)

Application Number Title Priority Date Filing Date
ES537973A Granted ES537973A0 (en) 1983-11-26 1984-11-26 PROCEDURE FOR PREPARING SILICON FROM A QUARTZ RAW MATERIAL IN A LOW CUBA ELECTRIC OVEN

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) ES537973A0 (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)

* Cited by examiner, † Cited by third party
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
US4897852A (en) * 1988-08-31 1990-01-30 Dow Corning Corporation Silicon smelting process
US4997474A (en) * 1988-08-31 1991-03-05 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
EP2331462A2 (en) * 2008-09-30 2011-06-15 Evonik Degussa GmbH Production of solar-grade silicon from silicon dioxide
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
YU198784A (en) 1987-12-31
YU43676B (en) 1989-10-31
NL8403572A (en) 1985-06-17
IT1177279B (en) 1987-08-26
AU568166B2 (en) 1987-12-17
NO844668L (en) 1985-05-28
FI844617L (en) 1985-05-27
SE461647B (en) 1990-03-12
DE3411731C2 (en) 1987-07-09
ES537973A0 (en) 1985-11-01
IT8423680A0 (en) 1984-11-21
IE843012L (en) 1985-05-26
BE901114A (en) 1985-03-15
ATA373684A (en) 1993-01-15
PH22408A (en) 1988-08-26
BR8405974A (en) 1985-08-06
CA1217032A (en) 1987-01-27
PT79544B (en) 1986-09-15
GB2150128B (en) 1987-07-29
ZW19184A1 (en) 1985-05-08
DK557384A (en) 1985-05-27
MX162694A (en) 1991-06-17
FI76056B (en) 1988-05-31
IT8423680A1 (en) 1986-05-21
DD229102A5 (en) 1985-10-30
IE57642B1 (en) 1993-02-10
PL148125B1 (en) 1989-09-30
PT79544A (en) 1984-12-01
AU3586984A (en) 1985-05-30
IN162374B (en) 1988-05-14
SE8405904D0 (en) 1984-11-23
DK557384D0 (en) 1984-11-23
FI76056C (en) 1988-09-09
FR2555565B1 (en) 1986-12-26
FR2555565A1 (en) 1985-05-31
NO163004B (en) 1989-12-11
MY100749A (en) 1991-02-14
PL250592A1 (en) 1985-07-30
DK168003B1 (en) 1994-01-17
DE3411731A1 (en) 1985-11-07
CH663610A5 (en) 1987-12-31
GB2150128A (en) 1985-06-26
SE8405904L (en) 1985-05-27
AT396460B (en) 1993-09-27
GB8428898D0 (en) 1984-12-27
FI844617A0 (en) 1984-11-23
LU85649A1 (en) 1985-06-04

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20040601