SE8405904D0 - PROCEDURES FOR SILICON RESTRICTION QUARTZ RECOVERY IN ELECTRONIC CHEF - Google Patents

PROCEDURES FOR SILICON RESTRICTION QUARTZ RECOVERY IN ELECTRONIC CHEF

Info

Publication number
SE8405904D0
SE8405904D0 SE8405904A SE8405904A SE8405904D0 SE 8405904 D0 SE8405904 D0 SE 8405904D0 SE 8405904 A SE8405904 A SE 8405904A SE 8405904 A SE8405904 A SE 8405904A SE 8405904 D0 SE8405904 D0 SE 8405904D0
Authority
SE
Sweden
Prior art keywords
quartz
procedures
furnace
restriction
silicon
Prior art date
Application number
SE8405904A
Other languages
Swedish (sv)
Other versions
SE461647B (en
SE8405904L (en
Inventor
G-W Lask
Original Assignee
Int Minerals & Chem 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 Int Minerals & Chem Corp filed Critical Int Minerals & Chem Corp
Publication of SE8405904D0 publication Critical patent/SE8405904D0/en
Publication of SE8405904L publication Critical patent/SE8405904L/en
Publication of SE461647B publication Critical patent/SE461647B/en

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)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Manufacture And Refinement Of Metals (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.
SE8405904A 1983-11-26 1984-11-23 PROCEDURES FOR PREPARING SILICONE SE461647B (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 (3)

Publication Number Publication Date
SE8405904D0 true SE8405904D0 (en) 1984-11-23
SE8405904L SE8405904L (en) 1985-05-27
SE461647B SE461647B (en) 1990-03-12

Family

ID=25815937

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8405904A SE461647B (en) 1983-11-26 1984-11-23 PROCEDURES FOR PREPARING SILICONE

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)

* 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
CN102171142A (en) * 2008-09-30 2011-08-31 赢创德固赛有限公司 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)

* 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
IE57642B1 (en) 1993-02-10
FI844617L (en) 1985-05-27
DE3411731C2 (en) 1987-07-09
AU3586984A (en) 1985-05-30
MX162694A (en) 1991-06-17
BE901114A (en) 1985-03-15
ZW19184A1 (en) 1985-05-08
AT396460B (en) 1993-09-27
YU198784A (en) 1987-12-31
SE461647B (en) 1990-03-12
YU43676B (en) 1989-10-31
DD229102A5 (en) 1985-10-30
NL8403572A (en) 1985-06-17
AU568166B2 (en) 1987-12-17
NO163004B (en) 1989-12-11
FR2555565B1 (en) 1986-12-26
PH22408A (en) 1988-08-26
DK557384D0 (en) 1984-11-23
IT1177279B (en) 1987-08-26
FI844617A0 (en) 1984-11-23
PT79544A (en) 1984-12-01
DK557384A (en) 1985-05-27
IT8423680A1 (en) 1986-05-21
MY100749A (en) 1991-02-14
PL250592A1 (en) 1985-07-30
BR8405974A (en) 1985-08-06
ES537973A0 (en) 1985-11-01
ES8600702A1 (en) 1985-11-01
CA1217032A (en) 1987-01-27
PL148125B1 (en) 1989-09-30
LU85649A1 (en) 1985-06-04
IE843012L (en) 1985-05-26
ATA373684A (en) 1993-01-15
PT79544B (en) 1986-09-15
DE3411731A1 (en) 1985-11-07
GB2150128B (en) 1987-07-29
IT8423680A0 (en) 1984-11-21
FR2555565A1 (en) 1985-05-31
NO844668L (en) 1985-05-28
SE8405904L (en) 1985-05-27
FI76056B (en) 1988-05-31
CH663610A5 (en) 1987-12-31
FI76056C (en) 1988-09-09
GB8428898D0 (en) 1984-12-27
IN162374B (en) 1988-05-14
GB2150128A (en) 1985-06-26
DK168003B1 (en) 1994-01-17

Similar Documents

Publication Publication Date Title
SE8405904D0 (en) PROCEDURES FOR SILICON RESTRICTION QUARTZ RECOVERY IN ELECTRONIC CHEF
SE8207238L (en) PROCEDURE FOR PURIFICATION OF SILICONE
GB2019827A (en) Process to produce sulphur from two acid gases both containing hydrogen sulphide and one of which contains ammonia
ES385670A1 (en) Furnace charge for use in the production of silicon metal
PH20914A (en) Process for the preparation of silicon from quartz and carbon in an electric furnace
ES8504943A1 (en) Process for obtaining molten carbon-containing iron from spongy iron.
JPS5770219A (en) Method for dephosphorizing, desulfurizing and denitrifying iron alloy
ATE29906T1 (en) PROCESS FOR LEAD RECOVERY FROM LEAD-CONTAINING WASTE.
AT377241B (en) METHOD FOR REDUCING THE IRON CONTENT OF RAW MATERIALS CONTAINING IRON, SILICON AND ALUMINUM AND FOR THE PRODUCTION OF IRON OXIDE AND, ALSO, ALUMINUM OXIDE CONCENTRATES
AU3247984A (en) Removal of ca, al as impurities from silicon and ferrosilicon with acid slag
ATE23882T1 (en) PROCESS AND PLANT FOR THE MANUFACTURE OF BINDER-FREE HOT BRIQUETTES.
ATE75787T1 (en) PROCESS FOR PRODUCTION OF SILICON CARBIDE WHISKER.
ES8201215A1 (en) Low density compacts of prepared mix for use in the production of silicon and ferrosilicon, method and apparatus for making same.
IE810554L (en) Process for the production of silicon-containing briquettes.
ATE36161T1 (en) PROCESS FOR THE PRODUCTION OF ALKYL SILICATES.
ES8107125A1 (en) A process for the preparation of silicon or ferrosilicon.
SE8301862D0 (en) BORON CONTAINING STEEL AND A PROCESS FOR PRODUCING THE SAME
FR2503125B1 (en)
MX170724B (en) IMPROVEMENTS TO PRODUCTIONS OF SiC, MnC FERROSAS
JPS5210889A (en) Purification process of granular sulfide
HUT40467A (en) Process for producing tool steel with chemically produced vanadium-trioxide as vanadium additive
SE9202089D0 (en) PRODUCTION OF SILICON CARBIDE WHISKERS
ATE113568T1 (en) PROCESS FOR PRODUCTION OF TUNGSTEN MONOKARBIDE.
JPS5662581A (en) Decolorization method of silicone dust
JPS53129113A (en) Manufacture of ordinary temperature hardening type briquettes using gangue segregation type fine ore

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8405904-7