IT7949270A0 - Procedimento per la produzione di silicio e ferrosilicio - Google Patents

Procedimento per la produzione di silicio e ferrosilicio

Info

Publication number
IT7949270A0
IT7949270A0 IT7949270A IT4927079A IT7949270A0 IT 7949270 A0 IT7949270 A0 IT 7949270A0 IT 7949270 A IT7949270 A IT 7949270A IT 4927079 A IT4927079 A IT 4927079A IT 7949270 A0 IT7949270 A0 IT 7949270A0
Authority
IT
Italy
Prior art keywords
ferrosilicon
silicon
procedure
production
Prior art date
Application number
IT7949270A
Other languages
English (en)
Other versions
IT1117174B (it
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
Publication of IT7949270A0 publication Critical patent/IT7949270A0/it
Application granted granted Critical
Publication of IT1117174B publication Critical patent/IT1117174B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C35/00—Master alloys for iron or steel
    • C22C35/005—Master alloys for iron or steel based on iron, e.g. ferro-alloys
    • 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)
IT49270/79A 1978-06-02 1979-06-01 Procedimento per la produzione di silicio e ferrosilicio IT1117174B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7806524A SE415558B (sv) 1978-06-02 1978-06-02 Forfarande for framstellning av kisel eller fenokisel

Publications (2)

Publication Number Publication Date
IT7949270A0 true IT7949270A0 (it) 1979-06-01
IT1117174B IT1117174B (it) 1986-02-17

Family

ID=20335117

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49270/79A IT1117174B (it) 1978-06-02 1979-06-01 Procedimento per la produzione di silicio e ferrosilicio

Country Status (15)

Country Link
US (1) US4269620A (it)
JP (1) JPS54159330A (it)
BR (1) BR7903424A (it)
CA (1) CA1107940A (it)
CH (1) CH641424A5 (it)
DE (1) DE2922468C2 (it)
ES (1) ES480995A1 (it)
FR (1) FR2427302A1 (it)
GB (1) GB2022069B (it)
IT (1) IT1117174B (it)
NO (1) NO151972C (it)
PT (1) PT69616A (it)
SE (1) SE415558B (it)
YU (1) YU125779A (it)
ZA (1) ZA792651B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE421065B (sv) * 1979-10-24 1981-11-23 Kema Nord Ab Forfarande for framstellning av kisel eller ferrokisel
DE3016807A1 (de) * 1980-05-02 1981-11-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung von silizium
US4584181A (en) * 1982-12-27 1986-04-22 Sri International Process and apparatus for obtaining silicon from fluosilicic acid
US4491472A (en) * 1983-03-07 1985-01-01 Aluminum Company Of America Carbothermic reduction and prereduced charge for producing aluminum-silicon alloys
US4486229A (en) * 1983-03-07 1984-12-04 Aluminum Company Of America Carbothermic reduction with parallel heat sources
US4680096A (en) * 1985-12-26 1987-07-14 Dow Corning Corporation Plasma smelting process for silicon
US4981668A (en) * 1986-04-29 1991-01-01 Dow Corning Corporation Silicon carbide as a raw material for silicon production
US4798659A (en) * 1986-12-22 1989-01-17 Dow Corning Corporation Addition of calcium compounds to the carbothermic reduction of silica
US5104096A (en) * 1988-02-17 1992-04-14 Globe Metallurgical Inc. Smelting apparatus for making elemental silicon and alloys thereof
EP0409853B1 (en) * 1988-03-11 1994-12-07 Deere & Company Production of manganese carbide and ferrous alloys
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
US5174982A (en) * 1990-12-12 1992-12-29 Dow Corning Corporation Control of carbon balance in a silicon smelting furnace
US6638491B2 (en) * 2001-09-21 2003-10-28 Neptec Optical Solutions, Inc. Method of producing silicon metal particulates of reduced average particle size
US20080262258A1 (en) * 2004-05-04 2008-10-23 Dow Corning Corporation Container For Forming Self-Baking Electrodes
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
US8697901B2 (en) 2011-12-30 2014-04-15 Momentive Performance Materials Inc. Synthesis of organohalosilane monomers via enhanced cleavage of direct process residue
US8637695B2 (en) 2011-12-30 2014-01-28 Momentive Performance Materials Inc. Synthesis of organohalosilane monomers from conventionally uncleavable Direct Process Residue
CN105088052A (zh) * 2015-09-22 2015-11-25 刘来宝 一种利用光伏行业切割废料生产硅铁合金方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
NO129623B (it) * 1972-01-25 1974-05-06 Elkem Spigerverket As

Also Published As

Publication number Publication date
ES480995A1 (es) 1979-11-16
SE7806524L (sv) 1979-12-03
JPS54159330A (en) 1979-12-17
US4269620A (en) 1981-05-26
CH641424A5 (de) 1984-02-29
PT69616A (en) 1979-06-01
IT1117174B (it) 1986-02-17
FR2427302B1 (it) 1984-06-29
DE2922468A1 (de) 1979-12-06
NO151972C (no) 1988-05-18
GB2022069A (en) 1979-12-12
BR7903424A (pt) 1980-01-15
NO151972B (no) 1985-04-01
ZA792651B (en) 1980-06-25
JPS6356171B2 (it) 1988-11-07
GB2022069B (en) 1982-11-03
DE2922468C2 (de) 1986-08-14
NO791845L (no) 1979-12-04
SE415558B (sv) 1980-10-13
YU125779A (en) 1982-10-31
FR2427302A1 (fr) 1979-12-28
CA1107940A (en) 1981-09-01

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