AU598263B2 - A plasma smelting process for silicon - Google Patents

A plasma smelting process for silicon Download PDF

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Publication number
AU598263B2
AU598263B2 AU73219/87A AU7321987A AU598263B2 AU 598263 B2 AU598263 B2 AU 598263B2 AU 73219/87 A AU73219/87 A AU 73219/87A AU 7321987 A AU7321987 A AU 7321987A AU 598263 B2 AU598263 B2 AU 598263B2
Authority
AU
Australia
Prior art keywords
silicon dioxide
plasma
silicon
reducing agent
reactor
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.)
Ceased
Application number
AU73219/87A
Other languages
English (en)
Other versions
AU7321987A (en
Inventor
Vishu Dutt Dosaj
Alvin William Rauchholz
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
Priority claimed from DD87303223A external-priority patent/DD257058A5/de
Publication of AU7321987A publication Critical patent/AU7321987A/en
Application granted granted Critical
Publication of AU598263B2 publication Critical patent/AU598263B2/en
Anticipated expiration legal-status Critical
Ceased 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)
AU73219/87A 1985-12-26 1987-05-20 A plasma smelting process for silicon Ceased AU598263B2 (en)

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 (2)

Publication Number Publication Date
AU7321987A AU7321987A (en) 1988-11-24
AU598263B2 true AU598263B2 (en) 1990-06-21

Family

ID=27160015

Family Applications (1)

Application Number Title Priority Date Filing Date
AU73219/87A Ceased AU598263B2 (en) 1985-12-26 1987-05-20 A plasma smelting process for silicon

Country Status (7)

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

Families Citing this family (18)

* 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
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
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
CN112313172A (zh) 2018-06-15 2021-02-02 太阳能硅有限公司 生产元素硅的方法
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
CN116863778B (zh) * 2023-07-31 2025-10-31 甘肃省科学院传感技术研究所 一种铁合金矿热炉生产及供辅设施运行模拟培训系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU546050B2 (en) * 1981-10-20 1985-08-15 Skf Steel Engineering Ab Preparation of silicon
AU553732B2 (en) * 1982-09-08 1986-07-24 Skf Steel Engineering Ab Manufacture of ferrosilicon
AU8287787A (en) * 1986-12-22 1988-06-23 Dow Corning Corporation Addition of calcium compounds to the carbothermic reduction of silica

Family Cites Families (3)

* 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU546050B2 (en) * 1981-10-20 1985-08-15 Skf Steel Engineering Ab Preparation of silicon
AU553732B2 (en) * 1982-09-08 1986-07-24 Skf Steel Engineering Ab Manufacture of ferrosilicon
AU8287787A (en) * 1986-12-22 1988-06-23 Dow Corning Corporation Addition of calcium compounds to the carbothermic reduction of silica

Also Published As

Publication number Publication date
JPH0453806B2 (online.php) 1992-08-27
EP0227023A1 (en) 1987-07-01
CA1298236C (en) 1992-03-31
AU7321987A (en) 1988-11-24
US4680096A (en) 1987-07-14
BR8702801A (pt) 1988-12-27
EP0227023B1 (en) 1990-03-14
SE8702065L (sv) 1988-11-20
SE460190B (sv) 1989-09-18
JPS62158110A (ja) 1987-07-14
SE8702065D0 (sv) 1987-05-19

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