DE3236705C2 - Verfahren zur Herstellung von Silicium - Google Patents

Verfahren zur Herstellung von Silicium

Info

Publication number
DE3236705C2
DE3236705C2 DE3236705A DE3236705A DE3236705C2 DE 3236705 C2 DE3236705 C2 DE 3236705C2 DE 3236705 A DE3236705 A DE 3236705A DE 3236705 A DE3236705 A DE 3236705A DE 3236705 C2 DE3236705 C2 DE 3236705C2
Authority
DE
Germany
Prior art keywords
silicon
plasma
plasma gas
silicon dioxide
sio
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
DE3236705A
Other languages
German (de)
English (en)
Other versions
DE3236705A1 (de
Inventor
John Olof Stocksund Edström
Sven Hofors Santén
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.)
SKF Steel Engineering AB
Original Assignee
SKF Steel Engineering AB
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 SKF Steel Engineering AB filed Critical SKF Steel Engineering AB
Publication of DE3236705A1 publication Critical patent/DE3236705A1/de
Application granted granted Critical
Publication of DE3236705C2 publication Critical patent/DE3236705C2/de
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
    • 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)
  • Medicinal Preparation (AREA)
  • Chemical Vapour Deposition (AREA)
DE3236705A 1981-10-20 1982-10-04 Verfahren zur Herstellung von Silicium Expired DE3236705C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8106179A SE435370B (sv) 1981-10-20 1981-10-20 Sett att framstella kisel

Publications (2)

Publication Number Publication Date
DE3236705A1 DE3236705A1 (de) 1983-04-28
DE3236705C2 true DE3236705C2 (de) 1984-11-29

Family

ID=20344826

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3236705A Expired DE3236705C2 (de) 1981-10-20 1982-10-04 Verfahren zur Herstellung von Silicium

Country Status (16)

Country Link
US (1) US4439410A (https=)
JP (1) JPS5869713A (https=)
AU (1) AU546050B2 (https=)
BR (1) BR8204263A (https=)
CA (1) CA1193071A (https=)
DE (1) DE3236705C2 (https=)
ES (1) ES513983A0 (https=)
FI (1) FI68389C (https=)
FR (1) FR2514744A1 (https=)
GB (1) GB2108096B (https=)
NO (1) NO155802B (https=)
NZ (1) NZ201450A (https=)
OA (1) OA07235A (https=)
PH (1) PH17730A (https=)
SE (1) SE435370B (https=)
ZA (1) ZA825405B (https=)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE432584B (sv) * 1982-09-07 1984-04-09 Skf Steel Eng Ab Sett for framstellning av kalciumkarbid sett for framstellning av kalciumkarbid
US4680096A (en) * 1985-12-26 1987-07-14 Dow Corning Corporation Plasma smelting process for silicon
US4981668A (en) * 1986-04-29 1991-01-01 Dow Corning Corporation Silicon carbide as a raw material for silicon production
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
US5986206A (en) * 1997-12-10 1999-11-16 Nanogram Corporation Solar cell
NO20061105L (no) * 2006-03-07 2007-09-10 Kopperaa Miljoinvest As Fremstilling av rent silisium metall og amorf silika ved reduksjon av kvarts (Sio2)
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
DE102008010744B4 (de) * 2008-02-20 2010-09-30 CBD Labs Pty Ltd., Double Bay Reduktion von Siliziumdioxid
RU2367600C1 (ru) * 2008-04-16 2009-09-20 Борис Георгиевич Грибов Способ получения кремния высокой чистоты
RU2385291C1 (ru) * 2008-06-24 2010-03-27 Государственное научное учреждение Всероссийский научно-исследовательский институт электрификации сельского хозяйства Российской Академии Сельскохозяйственных наук (ГНУ ВИЭСХ) Способ получения кристаллического кремния высокой чистоты (варианты)
DE102008041334A1 (de) * 2008-08-19 2010-02-25 Evonik Degussa Gmbh Herstellung von Silizium durch Umsetzung von Siliziumoxid und Siliziumcarbid gegebenenfalls in Gegenwart einer zweiten Kohlenstoffquelle
WO2011099883A1 (ru) * 2010-02-10 2011-08-18 Shishov Sergey Vladimirovich Способ получения кремния
CA3009630C (en) 2015-12-16 2023-08-01 Amastan Technologies Llc Spheroidal dehydrogenated metals and metal alloy particles
US10987735B2 (en) 2015-12-16 2021-04-27 6K Inc. Spheroidal titanium metallic powders with custom microstructures
KR20190134597A (ko) 2017-04-04 2019-12-04 가부시키가이샤 브이 테크놀로지 고압 방전 램프 및 그 제어 방법
CN112654444A (zh) 2018-06-19 2021-04-13 6K有限公司 由原材料制造球化粉末的方法
CA3134579A1 (en) 2019-04-30 2020-11-05 Gregory Wrobel Lithium lanthanum zirconium oxide (llzo) powder
SG11202111576QA (en) 2019-04-30 2021-11-29 6K Inc Mechanically alloyed powder feedstock
CN114641462A (zh) 2019-11-18 2022-06-17 6K有限公司 用于球形粉末的独特原料及制造方法
US11590568B2 (en) 2019-12-19 2023-02-28 6K Inc. Process for producing spheroidized powder from feedstock materials
CA3180426A1 (en) 2020-06-25 2021-12-30 Richard K. Holman Microcomposite alloy structure
US20220041457A1 (en) * 2020-08-07 2022-02-10 6K Inc. Synthesis of silicon products
AU2021349358A1 (en) 2020-09-24 2023-02-09 6K Inc. Systems, devices, and methods for starting plasma
CA3196653A1 (en) 2020-10-30 2022-05-05 Sunil Bhalchandra BADWE Systems and methods for synthesis of spheroidized metal powders
AU2022206483A1 (en) 2021-01-11 2023-08-31 6K Inc. Methods and systems for reclamation of li-ion cathode materials using microwave plasma processing
WO2022212291A1 (en) 2021-03-31 2022-10-06 6K Inc. Systems and methods for additive manufacturing of metal nitride ceramics
WO2023229928A1 (en) 2022-05-23 2023-11-30 6K Inc. Microwave plasma apparatus and methods for processing materials using an interior liner
US12040162B2 (en) 2022-06-09 2024-07-16 6K Inc. Plasma apparatus and methods for processing feed material utilizing an upstream swirl module and composite gas flows
WO2024044498A1 (en) 2022-08-25 2024-02-29 6K Inc. Plasma apparatus and methods for processing feed material utilizing a powder ingress preventor (pip)
US12195338B2 (en) 2022-12-15 2025-01-14 6K Inc. Systems, methods, and device for pyrolysis of methane in a microwave plasma for hydrogen and structured carbon powder production

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2555507A (en) * 1949-12-02 1951-06-05 Pratt Emil Bruce Method of reducing metallic oxide ores
FR1328326A (fr) * 1961-12-01 1963-05-31 Dispositif pour la fusion des produits réfractaires pulvérulents au chalumeau à plasma
DE2924584A1 (de) * 1979-06-19 1981-01-15 Straemke Siegfried Verfahren zur herstellung von silicium fuer solarzellen
DE3000802A1 (de) * 1980-01-11 1981-07-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung vn silizium

Also Published As

Publication number Publication date
GB2108096B (en) 1985-07-03
FI68389B (fi) 1985-05-31
FI68389C (fi) 1987-01-20
AU546050B2 (en) 1985-08-15
NO155802B (no) 1987-02-23
PH17730A (en) 1984-11-21
CA1193071A (en) 1985-09-10
OA07235A (fr) 1984-04-30
ES8304886A1 (es) 1983-04-16
FI822417L (fi) 1983-04-21
NO822065L (no) 1983-04-21
SE8106179L (sv) 1983-04-21
ZA825405B (en) 1983-06-29
JPS5869713A (ja) 1983-04-26
FR2514744B1 (https=) 1984-01-06
FR2514744A1 (fr) 1983-04-22
GB2108096A (en) 1983-05-11
BR8204263A (pt) 1983-07-19
ES513983A0 (es) 1983-04-16
DE3236705A1 (de) 1983-04-28
US4439410A (en) 1984-03-27
SE435370B (sv) 1984-09-24
AU8663582A (en) 1983-04-28
FI822417A0 (fi) 1982-07-07
NZ201450A (en) 1984-09-28

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee