CA987884A - Reduction of silicon dioxide by means of carbon in electric furnace - Google Patents

Reduction of silicon dioxide by means of carbon in electric furnace

Info

Publication number
CA987884A
CA987884A CA161,572A CA161572A CA987884A CA 987884 A CA987884 A CA 987884A CA 161572 A CA161572 A CA 161572A CA 987884 A CA987884 A CA 987884A
Authority
CA
Canada
Prior art keywords
carbon
reduction
silicon dioxide
electric furnace
furnace
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
CA161,572A
Other languages
English (en)
Other versions
CA161572S (en
Inventor
Rolf Enger
Jan-Erik Thorslund
Kristian Piene
Nils Skreien
Audun Saethre
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.)
Elkem ASA
Original Assignee
Elkem Spigerverket AS
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 Elkem Spigerverket AS filed Critical Elkem Spigerverket AS
Application granted granted Critical
Publication of CA987884A publication Critical patent/CA987884A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Silicon Compounds (AREA)
  • Manufacture And Refinement Of Metals (AREA)
CA161,572A 1972-01-25 1973-01-18 Reduction of silicon dioxide by means of carbon in electric furnace Expired CA987884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO00173/72A NO129623B (es) 1972-01-25 1972-01-25

Publications (1)

Publication Number Publication Date
CA987884A true CA987884A (en) 1976-04-27

Family

ID=19877418

Family Applications (1)

Application Number Title Priority Date Filing Date
CA161,572A Expired CA987884A (en) 1972-01-25 1973-01-18 Reduction of silicon dioxide by means of carbon in electric furnace

Country Status (13)

Country Link
US (1) US3887359A (es)
JP (1) JPS5313169B2 (es)
AU (1) AU477309B2 (es)
CA (1) CA987884A (es)
DE (1) DE2303242A1 (es)
ES (1) ES410909A1 (es)
FR (1) FR2169100B1 (es)
IN (1) IN139737B (es)
IT (1) IT978060B (es)
NO (1) NO129623B (es)
SE (1) SE382042B (es)
YU (1) YU28273A (es)
ZA (1) ZA729101B (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162291A (en) * 1977-10-12 1979-07-24 Westinghouse Electric Corp. Liquid silicon casting control mechanism
SE415558B (sv) * 1978-06-02 1980-10-13 Kema Nord Ab Forfarande for framstellning av kisel eller fenokisel
US4214920A (en) * 1979-03-23 1980-07-29 Exxon Research & Engineering Co. Method for producing solar cell-grade silicon from rice hulls
SE421065B (sv) * 1979-10-24 1981-11-23 Kema Nord Ab Forfarande for framstellning av kisel eller ferrokisel
DE2951959C2 (de) * 1979-12-22 1985-07-04 Elkem A/S, Oslo Verfahren und Vorrichtung zur Herstellung von Aluminium oder Aluminiumlegierungen durch carbothermische Reduktion von Aluminiumoxid oder Gemischen aus Aluminiumoxid und weiteren Oxiden
US4590043A (en) * 1982-12-27 1986-05-20 Sri International Apparatus for obtaining silicon from fluosilicic acid
US4981668A (en) * 1986-04-29 1991-01-01 Dow Corning Corporation Silicon carbide as a raw material for silicon production
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
US5009703A (en) * 1990-08-13 1991-04-23 Dow Corning Corporation Silicon smelting process in direct current furnace
RU2006142692A (ru) * 2004-05-04 2008-06-20 Дау Корнинг Корпорейшн (Us) Контейнер для формирования самообжигающихся электродов
CN101426722B (zh) * 2006-03-15 2013-06-05 反应科学公司 制造用于太阳能电池及其它应用的硅的方法
US20080314445A1 (en) * 2007-06-25 2008-12-25 General Electric Company Method for the preparation of high purity silicon
US20080314446A1 (en) * 2007-06-25 2008-12-25 General Electric Company Processes for the preparation of solar-grade silicon and photovoltaic cells
CN101332993B (zh) * 2007-06-29 2011-02-09 商南中剑实业有限责任公司 高温分离法生产高纯度硅的方法
CN101112986B (zh) * 2007-06-29 2010-07-28 商南中剑实业有限责任公司 用石油焦作还原剂生产工业硅的方法
CN109553108A (zh) * 2018-12-11 2019-04-02 中昊黑元化工研究设计院有限公司 利用金属硅生产中产生的含SiO尾气制备SiO2气凝胶的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637648A (en) * 1948-08-11 1953-05-05 Marvin J Udy Production of ferrosilicon
US3215522A (en) * 1960-11-22 1965-11-02 Union Carbide Corp Silicon metal production
US3758289A (en) * 1970-05-01 1973-09-11 Ethyl Corp Prereduction process
US3704114A (en) * 1971-03-17 1972-11-28 Union Carbide Corp Process and furnace charge for use in the production of ferrosilicon alloys

Also Published As

Publication number Publication date
NO129623B (es) 1974-05-06
JPS5313169B2 (es) 1978-05-08
US3887359A (en) 1975-06-03
FR2169100A1 (es) 1973-09-07
FR2169100B1 (es) 1975-01-17
IT978060B (it) 1974-09-20
IN139737B (es) 1976-07-24
JPS4883027A (es) 1973-11-06
DE2303242A1 (de) 1973-08-02
AU477309B2 (en) 1976-10-21
AU5138573A (en) 1974-07-25
ZA729101B (en) 1974-08-28
ES410909A1 (es) 1976-01-16
YU28273A (en) 1982-05-31
SE382042B (sv) 1976-01-12

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