ZA729101B - Method by reduction of silicon-dioxide by means of carbon in electrical furnace - Google Patents

Method by reduction of silicon-dioxide by means of carbon in electrical furnace

Info

Publication number
ZA729101B
ZA729101B ZA729101A ZA729101A ZA729101B ZA 729101 B ZA729101 B ZA 729101B ZA 729101 A ZA729101 A ZA 729101A ZA 729101 A ZA729101 A ZA 729101A ZA 729101 B ZA729101 B ZA 729101B
Authority
ZA
South Africa
Prior art keywords
dioxide
silicon
carbon
reduction
electrical furnace
Prior art date
Application number
ZA729101A
Other languages
English (en)
Inventor
R Enger
K Piene
J Thorslund
N Skreien
A Saethre
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
Publication of ZA729101B publication Critical patent/ZA729101B/xx

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)
ZA729101A 1972-01-25 1972-12-27 Method by reduction of silicon-dioxide by means of carbon in electrical furnace ZA729101B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA729101B true ZA729101B (en) 1974-08-28

Family

ID=19877418

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA729101A ZA729101B (en) 1972-01-25 1972-12-27 Method by reduction of silicon-dioxide by means of carbon in electrical furnace

Country Status (13)

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

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
EP1745679A1 (en) * 2004-05-04 2007-01-24 Dow Corning Corporation Container for forming self-baking electrodes
KR101450346B1 (ko) * 2006-03-15 2014-10-14 알이에스씨 인베스트먼츠 엘엘씨 태양 전지 및 다른 용도를 위한 규소 제조 방법
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
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
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
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
CA987884A (en) 1976-04-27
SE382042B (sv) 1976-01-12
AU477309B2 (en) 1976-10-21
JPS5313169B2 (it) 1978-05-08
DE2303242A1 (de) 1973-08-02
ES410909A1 (es) 1976-01-16
AU5138573A (en) 1974-07-25
NO129623B (it) 1974-05-06
IT978060B (it) 1974-09-20
US3887359A (en) 1975-06-03
YU28273A (en) 1982-05-31
FR2169100A1 (it) 1973-09-07
FR2169100B1 (it) 1975-01-17
JPS4883027A (it) 1973-11-06
IN139737B (it) 1976-07-24

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