SE7908821L - Sett att framstella kisel eller ferrokisel - Google Patents

Sett att framstella kisel eller ferrokisel

Info

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
Application number
SE7908821A
Other languages
Unknown language ( )
English (en)
Other versions
SE421065B (sv
Inventor
T Johansson
Original Assignee
Kema Nord Ab
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 Kema Nord Ab filed Critical Kema Nord Ab
Priority to SE7908821A priority Critical patent/SE421065B/sv
Priority to ZA00806237A priority patent/ZA806237B/xx
Priority to DE8080850148T priority patent/DE3071074D1/de
Priority to EP80850148A priority patent/EP0028208B1/en
Priority to PT71912A priority patent/PT71912B/pt
Priority to NO803159A priority patent/NO152138B/no
Priority to ES496186A priority patent/ES496186A0/es
Priority to CA000363047A priority patent/CA1150932A/en
Priority to JP14766080A priority patent/JPS5663814A/ja
Priority to BR8006856A priority patent/BR8006856A/pt
Publication of SE7908821L publication Critical patent/SE7908821L/sv
Publication of SE421065B publication Critical patent/SE421065B/sv
Priority to US06/363,812 priority patent/US4435209A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/02Silicon
    • C01B33/021Preparation
    • C01B33/023Preparation by reduction of silica or free silica-containing material
    • C01B33/025Preparation by reduction of silica or free silica-containing material with carbon or a solid carbonaceous material, i.e. carbo-thermal process
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C35/00Master alloys for iron or steel
    • C22C35/005Master 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)
SE7908821A 1979-10-24 1979-10-24 Forfarande for framstellning av kisel eller ferrokisel SE421065B (sv)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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