EP2247531A4 - Reduction of silica - Google Patents

Reduction of silica

Info

Publication number
EP2247531A4
EP2247531A4 EP09712975A EP09712975A EP2247531A4 EP 2247531 A4 EP2247531 A4 EP 2247531A4 EP 09712975 A EP09712975 A EP 09712975A EP 09712975 A EP09712975 A EP 09712975A EP 2247531 A4 EP2247531 A4 EP 2247531A4
Authority
EP
European Patent Office
Prior art keywords
silica
reduction
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.)
Withdrawn
Application number
EP09712975A
Other languages
German (de)
French (fr)
Other versions
EP2247531A1 (en
Inventor
Robert Lloyd
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.)
CBD Energy Ltd
Original Assignee
CBD Energy Ltd
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 CBD Energy Ltd filed Critical CBD Energy Ltd
Publication of EP2247531A1 publication Critical patent/EP2247531A1/en
Publication of EP2247531A4 publication Critical patent/EP2247531A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
EP09712975A 2008-02-20 2009-02-19 Reduction of silica Withdrawn EP2247531A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008010744A DE102008010744B4 (en) 2008-02-20 2008-02-20 Reduction of silica
PCT/AU2009/000192 WO2009103120A1 (en) 2008-02-20 2009-02-19 Reduction of silica

Publications (2)

Publication Number Publication Date
EP2247531A1 EP2247531A1 (en) 2010-11-10
EP2247531A4 true EP2247531A4 (en) 2013-02-20

Family

ID=40936021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09712975A Withdrawn EP2247531A4 (en) 2008-02-20 2009-02-19 Reduction of silica

Country Status (6)

Country Link
EP (1) EP2247531A4 (en)
JP (1) JP2011512314A (en)
CN (1) CN102089243A (en)
AU (1) AU2009217230A1 (en)
DE (1) DE102008010744B4 (en)
WO (1) WO2009103120A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104150484A (en) * 2013-05-13 2014-11-19 苏州晶科新能源装备科技有限公司 Enclosed type high purity metal silicon reduction furnace
CN104609424A (en) * 2015-02-12 2015-05-13 东至绿洲环保化工有限公司 Organosilicone making furnace
CN104645882A (en) * 2015-02-12 2015-05-27 东至绿洲环保化工有限公司 Organic silicon synthesis equipment
CN104645885A (en) * 2015-02-12 2015-05-27 东至绿洲环保化工有限公司 Manufacturing device for organic silicon
WO2019079879A1 (en) * 2017-10-27 2019-05-02 Kevin Allan Dooley Inc. A system and method for manufacturing high purity silicon
CN114074942B (en) * 2021-11-17 2023-03-07 青岛科技大学 Method for preparing simple substance silicon by using joule heat

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB326227A (en) * 1928-12-01 1930-03-03 Ig Farbenindustrie Ag Process for the continuous manufacture of carbon monoxide
GB521415A (en) * 1938-11-18 1940-05-21 British Oxygen Co Ltd Improvements in or relating to the production of carbon monoxide
DE3000802A1 (en) * 1980-01-11 1981-07-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Silicon prodn. by decomposition or redn. of silicon cpd. in plasma - produced in carrier gas stream gives pure silicon at very low cost
US4457902A (en) * 1980-10-24 1984-07-03 Watson Keith R High efficiency hydrocarbon reduction of silica
WO2007102745A1 (en) * 2006-03-07 2007-09-13 Kopperaa Miljöinvest As Method for the manufacture of pure silicon metal and amorphous silica by reduction of quartz (sio2)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215522A (en) * 1960-11-22 1965-11-02 Union Carbide Corp Silicon metal production
DE2924584A1 (en) * 1979-06-19 1981-01-15 Straemke Siegfried Silicon prodn. for solar cell - from impure silica or silicon by plasma treatment in reducing gas atmos.
SE435370B (en) * 1981-10-20 1984-09-24 Skf Steel Eng Ab SET TO MAKE SILICONE
JPS63147813A (en) * 1986-12-10 1988-06-20 Nippon Sheet Glass Co Ltd Production of metallic silicon
SE461037B (en) * 1987-10-09 1989-12-18 Skf Plasma Tech COATED BY COAL AND SILICON Dioxide CONTINUOUSLY MAKING LIQUID SILICONE IN A REACTOR
US4865643A (en) * 1988-02-17 1989-09-12 Globe Metallurgical, Inc. Smelting process for making elemental silicon and alloys thereof, and apparatus therefor
JPH028310A (en) * 1988-06-25 1990-01-11 Nkk Corp Low si operating method in blast furnace
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
US5174982A (en) * 1990-12-12 1992-12-29 Dow Corning Corporation Control of carbon balance in a silicon smelting furnace
JP3839925B2 (en) * 1997-08-07 2006-11-01 新日本製鐵株式会社 Method for producing silicon
JPH11343111A (en) * 1998-04-03 1999-12-14 Kobe Steel Ltd Production of high purity metallic silicon
NO318956B1 (en) * 2001-11-16 2005-05-30 Elkem Materials Process and reactor for the production of silicon
CN1876567A (en) * 2005-06-08 2006-12-13 上海广济硅材料有限公司 Reducing agents for smelting chemical grade metallic silicon
CN1962434A (en) * 2006-10-31 2007-05-16 锦州新世纪石英玻璃有限公司 Technology of zinc reduction for producing polysilicon
JP2009078937A (en) * 2007-09-26 2009-04-16 Daido Steel Co Ltd Apparatus for manufacturing metallic silicon

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB326227A (en) * 1928-12-01 1930-03-03 Ig Farbenindustrie Ag Process for the continuous manufacture of carbon monoxide
GB521415A (en) * 1938-11-18 1940-05-21 British Oxygen Co Ltd Improvements in or relating to the production of carbon monoxide
DE3000802A1 (en) * 1980-01-11 1981-07-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Silicon prodn. by decomposition or redn. of silicon cpd. in plasma - produced in carrier gas stream gives pure silicon at very low cost
US4457902A (en) * 1980-10-24 1984-07-03 Watson Keith R High efficiency hydrocarbon reduction of silica
WO2007102745A1 (en) * 2006-03-07 2007-09-13 Kopperaa Miljöinvest As Method for the manufacture of pure silicon metal and amorphous silica by reduction of quartz (sio2)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009103120A1 *

Also Published As

Publication number Publication date
AU2009217230A1 (en) 2009-08-27
DE102008010744B4 (en) 2010-09-30
EP2247531A1 (en) 2010-11-10
DE102008010744A1 (en) 2009-09-10
JP2011512314A (en) 2011-04-21
CN102089243A (en) 2011-06-08
WO2009103120A1 (en) 2009-08-27

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