GB201002448D0 - Method for recovering solar grade silicon - Google Patents

Method for recovering solar grade silicon

Info

Publication number
GB201002448D0
GB201002448D0 GBGB1002448.7A GB201002448A GB201002448D0 GB 201002448 D0 GB201002448 D0 GB 201002448D0 GB 201002448 A GB201002448 A GB 201002448A GB 201002448 D0 GB201002448 D0 GB 201002448D0
Authority
GB
United Kingdom
Prior art keywords
grade silicon
solar grade
recovering solar
recovering
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.)
Granted
Application number
GBGB1002448.7A
Other versions
GB2477782B (en
GB2477782A (en
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.)
METALLKRAFT AS
Original Assignee
METALLKRAFT AS
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 METALLKRAFT AS filed Critical METALLKRAFT AS
Priority to GB1002448.7A priority Critical patent/GB2477782B/en
Publication of GB201002448D0 publication Critical patent/GB201002448D0/en
Priority to EP11706954A priority patent/EP2534100A1/en
Priority to PCT/NO2011/000053 priority patent/WO2011099870A1/en
Publication of GB2477782A publication Critical patent/GB2477782A/en
Application granted granted Critical
Publication of GB2477782B publication Critical patent/GB2477782B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C01B33/037—Purification
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • H01L31/1804—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic System
    • H01L31/182—Special manufacturing methods for polycrystalline Si, e.g. Si ribbon, poly Si ingots, thin films of polycrystalline Si
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/546—Polycrystalline silicon PV cells
    • 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
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Silicon Compounds (AREA)
GB1002448.7A 2010-02-12 2010-02-12 A method for refining silicon Expired - Fee Related GB2477782B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1002448.7A GB2477782B (en) 2010-02-12 2010-02-12 A method for refining silicon
EP11706954A EP2534100A1 (en) 2010-02-12 2011-02-14 Method for recovering solar grade silicon
PCT/NO2011/000053 WO2011099870A1 (en) 2010-02-12 2011-02-14 Method for recovering solar grade silicon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1002448.7A GB2477782B (en) 2010-02-12 2010-02-12 A method for refining silicon

Publications (3)

Publication Number Publication Date
GB201002448D0 true GB201002448D0 (en) 2010-03-31
GB2477782A GB2477782A (en) 2011-08-17
GB2477782B GB2477782B (en) 2012-08-29

Family

ID=42110667

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1002448.7A Expired - Fee Related GB2477782B (en) 2010-02-12 2010-02-12 A method for refining silicon

Country Status (3)

Country Link
EP (1) EP2534100A1 (en)
GB (1) GB2477782B (en)
WO (1) WO2011099870A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110194456A (en) * 2019-06-14 2019-09-03 宝兴易达光伏刃料有限公司 A method of utilizing discarded silicon mud metal smelting silicon

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108793170B (en) * 2018-06-23 2020-06-02 新疆中诚硅材料有限公司 Industrial silicon acid pickling process after ventilation, slagging, smelting and pretreatment
CN114212795B (en) * 2021-12-21 2023-06-02 湖南立新硅材料科技有限公司 Device and method for refining silicon mud

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3871872A (en) 1973-05-30 1975-03-18 Union Carbide Corp Method for promoting metallurgical reactions in molten metal
DE2706175C3 (en) * 1977-02-14 1980-05-29 Wacker-Chemie Gmbh, 8000 Muenchen Process for melting and purifying silicon
US4354987A (en) 1981-03-31 1982-10-19 Union Carbide Corporation Consolidation of high purity silicon powder
DE3331046A1 (en) 1983-08-29 1985-03-14 Wacker-Chemie GmbH, 8000 München METHOD FOR TREATING SILICON AND FERROSILICIUM WITH SLAG
FR2562056B1 (en) 1984-04-02 1986-06-27 Rhone Poulenc Spec Chim NON-POLLUTANT MANUFACTURING PROCESS OF SOLID SILICON FROM DIVIDED SILICON
US5208001A (en) * 1991-06-20 1993-05-04 Texas Instruments Incorporated Method for silicon purification
JPH05330815A (en) * 1992-05-27 1993-12-14 Kawasaki Steel Corp Method for refining silicon
WO1997003922A1 (en) * 1994-01-10 1997-02-06 Showa Aluminum Corporation Process for producing high-purity silicon
JP4132649B2 (en) * 2000-12-05 2008-08-13 シャープ株式会社 Purification method for molten silicon
JP2003012317A (en) * 2001-06-27 2003-01-15 Daido Steel Co Ltd Method for refining silicon
US20050139148A1 (en) * 2002-02-04 2005-06-30 Hiroyasu Fujiwara Silicon purifying method, slag for purifying silicon and purified silicon
US20070148034A1 (en) 2002-04-15 2007-06-28 Gt Solar Incorporated Dry conversion of high purity ultrafine silicon powder to densified pellet form for silicon melting applications
NO325179B1 (en) 2003-04-23 2008-02-11 Metallkraft As Process of purifying silicon carbide particles
JP4024232B2 (en) * 2004-07-13 2007-12-19 シャープ株式会社 Silicon purification method
EP1786730A2 (en) 2004-07-16 2007-05-23 Institutt For Energiteknikk Method and reactor for continuous production of semiconductor grade silicon
US7682585B2 (en) * 2006-04-25 2010-03-23 The Arizona Board Of Regents On Behalf Of The University Of Arizona Silicon refining process
KR20090053807A (en) 2006-09-14 2009-05-27 실리슘 비캔커 인코포레이티드 Process and apparatus for purifying low-grade silicon material
TW200914371A (en) 2007-06-01 2009-04-01 Gt Solar Inc Processing of fine silicon powder to produce bulk silicon
CN101353167A (en) * 2008-08-08 2009-01-28 贵阳高新阳光科技有限公司 Preparation of hyperpure metallurgy silicon

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110194456A (en) * 2019-06-14 2019-09-03 宝兴易达光伏刃料有限公司 A method of utilizing discarded silicon mud metal smelting silicon
CN110194456B (en) * 2019-06-14 2022-10-21 宝兴易达光伏刃料有限公司 Method for smelting metal silicon by using waste silicon sludge

Also Published As

Publication number Publication date
GB2477782B (en) 2012-08-29
EP2534100A1 (en) 2012-12-19
WO2011099870A1 (en) 2011-08-18
GB2477782A (en) 2011-08-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140212