BR8702801A - Processo para produzir silicio usando um plasma gasoso como fonte de energia - Google Patents

Processo para produzir silicio usando um plasma gasoso como fonte de energia

Info

Publication number
BR8702801A
BR8702801A BR8702801A BR8702801A BR8702801A BR 8702801 A BR8702801 A BR 8702801A BR 8702801 A BR8702801 A BR 8702801A BR 8702801 A BR8702801 A BR 8702801A BR 8702801 A BR8702801 A BR 8702801A
Authority
BR
Brazil
Prior art keywords
silicio
produce
energy
source
gas plasma
Prior art date
Application number
BR8702801A
Other languages
English (en)
Inventor
Vishu Dutt Dosaj
Alvin William Rauchholz
Original Assignee
Dow Corning
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
Priority to US06/813,330 priority Critical patent/US4680096A/en
Priority to CA000522435A priority patent/CA1298236C/en
Priority to EP86117555A priority patent/EP0227023B1/en
Priority to JP61316141A priority patent/JPS62158110A/ja
Priority to SE8702065A priority patent/SE460190B/sv
Priority to AU73219/87A priority patent/AU598263B2/en
Priority claimed from DD87303223A external-priority patent/DD257058A5/de
Application filed by Dow Corning filed Critical Dow Corning
Priority to BR8702801A priority patent/BR8702801A/pt
Publication of BR8702801A publication Critical patent/BR8702801A/pt

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)
BR8702801A 1985-12-26 1987-06-01 Processo para produzir silicio usando um plasma gasoso como fonte de energia BR8702801A (pt)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US06/813,330 US4680096A (en) 1985-12-26 1985-12-26 Plasma smelting process for silicon
CA000522435A CA1298236C (en) 1985-12-26 1986-11-07 Plasma smelting of silicon in transferred arc process
EP86117555A EP0227023B1 (en) 1985-12-26 1986-12-17 A plasma smelting process for silicon
JP61316141A JPS62158110A (ja) 1985-12-26 1986-12-25 珪素製造方法
SE8702065A SE460190B (sv) 1985-12-26 1987-05-19 Process foer framstaellning av kisel under anvaendning av gasplasma saasom energikaella
AU73219/87A AU598263B2 (en) 1985-12-26 1987-05-20 A plasma smelting process for silicon
BR8702801A BR8702801A (pt) 1985-12-26 1987-06-01 Processo para produzir silicio usando um plasma gasoso como fonte de energia

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/813,330 US4680096A (en) 1985-12-26 1985-12-26 Plasma smelting process for silicon
DD87303223A DD257058A5 (de) 1985-12-26 1987-05-27 Verfahren zur herstellung von silicium unter verwendung eines gasplasmas als energiequelle
BR8702801A BR8702801A (pt) 1985-12-26 1987-06-01 Processo para produzir silicio usando um plasma gasoso como fonte de energia

Publications (1)

Publication Number Publication Date
BR8702801A true BR8702801A (pt) 1988-12-27

Family

ID=27160015

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8702801A BR8702801A (pt) 1985-12-26 1987-06-01 Processo para produzir silicio usando um plasma gasoso como fonte de energia

Country Status (7)

Country Link
US (1) US4680096A (pt)
EP (1) EP0227023B1 (pt)
JP (1) JPS62158110A (pt)
AU (1) AU598263B2 (pt)
BR (1) BR8702801A (pt)
CA (1) CA1298236C (pt)
SE (1) SE460190B (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4798659A (en) * 1986-12-22 1989-01-17 Dow Corning Corporation Addition of calcium compounds to the carbothermic reduction of silica
SE461037B (sv) * 1987-10-09 1989-12-18 Skf Plasma Tech Saett att av kol och kiseldioxid kontinuerligt framstaella flytande kisel i en reaktor
NO165288C (no) * 1988-12-08 1991-01-23 Elkem As Silisiumpulver og fremgangsmaate for fremstilling av silisiumpulver.
US5131992A (en) * 1990-01-08 1992-07-21 The United States Of America, As Represented By The Secretary Of The Interior Microwave induced plasma process for producing tungsten carbide
JP3205352B2 (ja) * 1990-05-30 2001-09-04 川崎製鉄株式会社 シリコン精製方法及び装置
US5445679A (en) * 1992-12-23 1995-08-29 Memc Electronic Materials, Inc. Cleaning of polycrystalline silicon for charging into a Czochralski growing process
US5611947A (en) * 1994-09-07 1997-03-18 Alliant Techsystems, Inc. Induction steam plasma torch for generating a steam plasma for treating a feed slurry
US5753567A (en) * 1995-08-28 1998-05-19 Memc Electronic Materials, Inc. Cleaning of metallic contaminants from the surface of polycrystalline silicon with a halogen gas or plasma
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
US7572425B2 (en) * 2007-09-14 2009-08-11 General Electric Company System and method for producing solar grade silicon
US20120061618A1 (en) 2010-09-11 2012-03-15 James Santoianni Plasma gasification reactors with modified carbon beds and reduced coke requirements
JP5601597B2 (ja) * 2012-10-22 2014-10-08 国立大学法人秋田大学 微細炭化珪素、微細窒化珪素、金属シリコン、塩化珪素の製造方法
US11242252B2 (en) * 2016-01-08 2022-02-08 Plassein Technologies Ltd. Llc Refining process for producing solar silicon, silicon carbide, high-purity graphite and hollow silica microspheres
WO2018141805A1 (de) 2017-02-06 2018-08-09 Solar Silicon Gmbh Verfahren zur herstellung von elementarem silizium
WO2019238808A1 (de) 2018-06-15 2019-12-19 Solar Silicon Gmbh Verfahren zur herstellung von elementarem silizium
CN115385338A (zh) * 2022-08-01 2022-11-25 亚洲硅业(青海)股份有限公司 一种硅材料的制备方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE415558B (sv) * 1978-06-02 1980-10-13 Kema Nord Ab Forfarande for framstellning av kisel eller fenokisel
DE2924584A1 (de) * 1979-06-19 1981-01-15 Straemke Siegfried Verfahren zur herstellung von silicium fuer solarzellen
DE3016807A1 (de) * 1980-05-02 1981-11-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung von silizium
SE435370B (sv) * 1981-10-20 1984-09-24 Skf Steel Eng Ab Sett att framstella kisel
SE436124B (sv) * 1982-09-08 1984-11-12 Skf Steel Eng Ab Sett att framstella ferrokisel
US4798659A (en) * 1986-12-22 1989-01-17 Dow Corning Corporation Addition of calcium compounds to the carbothermic reduction of silica

Also Published As

Publication number Publication date
SE8702065L (sv) 1988-11-20
EP0227023A1 (en) 1987-07-01
SE460190B (sv) 1989-09-18
SE8702065D0 (sv) 1987-05-19
JPS62158110A (ja) 1987-07-14
US4680096A (en) 1987-07-14
AU7321987A (en) 1988-11-24
CA1298236C (en) 1992-03-31
EP0227023B1 (en) 1990-03-14
AU598263B2 (en) 1990-06-21
JPH0453806B2 (pt) 1992-08-27

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