DE69105704D1 - Kontrolle der Kohlenstoff-Bilanz in einem Silizium-Schmelzofen. - Google Patents

Kontrolle der Kohlenstoff-Bilanz in einem Silizium-Schmelzofen.

Info

Publication number
DE69105704D1
DE69105704D1 DE69105704T DE69105704T DE69105704D1 DE 69105704 D1 DE69105704 D1 DE 69105704D1 DE 69105704 T DE69105704 T DE 69105704T DE 69105704 T DE69105704 T DE 69105704T DE 69105704 D1 DE69105704 D1 DE 69105704D1
Authority
DE
Germany
Prior art keywords
checking
melting furnace
carbon balance
silicon melting
silicon
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 - Fee Related
Application number
DE69105704T
Other languages
English (en)
Other versions
DE69105704T2 (de
Inventor
Vishu Dutt Dosaj
James Barratt May
Cathryn Marie Haines
John Douglas Oleson
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.)
Dow Silicones Corp
Original Assignee
Dow Corning 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 Dow Corning Corp filed Critical Dow Corning Corp
Publication of DE69105704D1 publication Critical patent/DE69105704D1/de
Application granted granted Critical
Publication of DE69105704T2 publication Critical patent/DE69105704T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
DE69105704T 1990-12-12 1991-11-12 Kontrolle der Kohlenstoff-Bilanz in einem Silizium-Schmelzofen. Expired - Fee Related DE69105704T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/626,151 US5174982A (en) 1990-12-12 1990-12-12 Control of carbon balance in a silicon smelting furnace

Publications (2)

Publication Number Publication Date
DE69105704D1 true DE69105704D1 (de) 1995-01-19
DE69105704T2 DE69105704T2 (de) 1995-05-18

Family

ID=24509161

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69105704T Expired - Fee Related DE69105704T2 (de) 1990-12-12 1991-11-12 Kontrolle der Kohlenstoff-Bilanz in einem Silizium-Schmelzofen.

Country Status (7)

Country Link
US (1) US5174982A (de)
EP (1) EP0490487B1 (de)
JP (1) JPH05132308A (de)
AU (1) AU640294B2 (de)
CA (1) CA2055307A1 (de)
DE (1) DE69105704T2 (de)
NO (1) NO914394L (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5376247A (en) * 1993-05-07 1994-12-27 Dow Corning Corporation Control of carbon balance in a silicon smelting furnace by monitoring calcium
FR2847893B1 (fr) * 2002-12-02 2006-05-05 Cit Alcatel Procede et dispositif de recharge par plasma d'une preforme pour fibre optique, a oxydes d'azote reduits
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
DE102007034912A1 (de) * 2006-08-03 2008-02-07 General Electric Co. Verfahren zur Erzeugung solartauglichen Siliziums
DE102008010744B4 (de) * 2008-02-20 2010-09-30 CBD Labs Pty Ltd., Double Bay Reduktion von Siliziumdioxid
US20110182795A1 (en) * 2008-02-20 2011-07-28 Cbd Energy Limited Reduction of silica

Family Cites Families (5)

* 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
SE415558B (sv) * 1978-06-02 1980-10-13 Kema Nord Ab Forfarande for framstellning av kisel eller fenokisel
SE421065B (sv) * 1979-10-24 1981-11-23 Kema Nord Ab Forfarande for framstellning av kisel eller ferrokisel
US4981668A (en) * 1986-04-29 1991-01-01 Dow Corning Corporation Silicon carbide as a raw material for silicon production
US5009703A (en) * 1990-08-13 1991-04-23 Dow Corning Corporation Silicon smelting process in direct current furnace

Also Published As

Publication number Publication date
AU8898391A (en) 1992-06-18
AU640294B2 (en) 1993-08-19
EP0490487B1 (de) 1994-12-07
JPH05132308A (ja) 1993-05-28
EP0490487A3 (en) 1992-08-12
EP0490487A2 (de) 1992-06-17
NO914394D0 (no) 1991-11-11
NO914394L (no) 1992-06-15
US5174982A (en) 1992-12-29
DE69105704T2 (de) 1995-05-18
CA2055307A1 (en) 1992-06-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee