FR2519961A1 - Procede de purification du silicium - Google Patents

Procede de purification du silicium Download PDF

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Publication number
FR2519961A1
FR2519961A1 FR8220751A FR8220751A FR2519961A1 FR 2519961 A1 FR2519961 A1 FR 2519961A1 FR 8220751 A FR8220751 A FR 8220751A FR 8220751 A FR8220751 A FR 8220751A FR 2519961 A1 FR2519961 A1 FR 2519961A1
Authority
FR
France
Prior art keywords
slag
process according
silicon
oxide
alkaline
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.)
Pending
Application number
FR8220751A
Other languages
English (en)
French (fr)
Inventor
Werner Gmohling
Georg Kreutzberger
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.)
Evonik Operations GmbH
Original Assignee
SKW Trostberg AG
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 SKW Trostberg AG filed Critical SKW Trostberg AG
Publication of FR2519961A1 publication Critical patent/FR2519961A1/fr
Pending 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
    • C01B33/037—Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Catalysts (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
FR8220751A 1982-01-18 1982-12-10 Procede de purification du silicium Pending FR2519961A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3201312A DE3201312C2 (de) 1982-01-18 1982-01-18 Verfahren zur Reinigung von Silicium

Publications (1)

Publication Number Publication Date
FR2519961A1 true FR2519961A1 (fr) 1983-07-22

Family

ID=6153285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8220751A Pending FR2519961A1 (fr) 1982-01-18 1982-12-10 Procede de purification du silicium

Country Status (6)

Country Link
JP (1) JPS58130114A (de)
DE (1) DE3201312C2 (de)
FR (1) FR2519961A1 (de)
GB (1) GB2116956A (de)
IT (1) IT1154400B (de)
SE (1) SE8207238L (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141125A2 (de) * 1983-08-29 1985-05-15 Wacker-Chemie GmbH Verfahren zum Behandeln von Silicium und Ferrosilicium mit Schlacke
FR2556333A1 (fr) * 1983-12-09 1985-06-14 Hanna Mining Co Procede pour purifier du silicium pour des applications necessitant une grande purete
EP0272777A2 (de) * 1986-12-22 1988-06-29 Dow Corning Corporation Zusatz von Calciumverbindungen in der karbothermischen Reduktion von Kieselerde

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO152551C (no) * 1983-02-07 1985-10-16 Elkem As Fremgangsmaate til fremstilling av rent silisium.
US5772728A (en) * 1994-03-30 1998-06-30 Elkem Asa Method for upgrading of silicon-containing residues obtained after leaching of copper-containing residues from chlorosilane synthesis
NO180188C (no) * 1994-03-30 1997-03-05 Elkem Materials Fremgangsmåte for opparbeiding av residuer fra direkte syntese av organoklorsilaner og/eller klorsilaner
NO180189C (no) * 1994-03-30 1997-03-05 Elkem Materials Fremgangsmåte for opparbeiding av silisiumrike, uopplöste rester fra utluting av kobberholdige residuer fra organoklorsilansyntese
AU2003208106A1 (en) * 2002-02-04 2003-09-02 Sharp Kabushiki Kaisha Silicon purifying method, slag for purifying silicon, and purified silicon
JP2005255417A (ja) * 2002-03-18 2005-09-22 Sharp Corp シリコンの精製方法
NO318092B1 (no) 2002-05-22 2005-01-31 Elkem Materials Kalsium-silikatbasert slagg, fremgangsmate for fremstilling av kalsium-silikatbasert slagg, og anvendelse for slaggbehandling av smeltet silium
JP4436904B2 (ja) * 2002-07-23 2010-03-24 新日鉄マテリアルズ株式会社 Ｓｉ製造方法
JP4766837B2 (ja) * 2004-03-03 2011-09-07 新日鉄マテリアルズ株式会社 シリコンからのホウ素除去方法
JP4632769B2 (ja) * 2004-12-09 2011-02-16 シャープ株式会社 シリコンの精製方法
JP4749730B2 (ja) 2005-02-09 2011-08-17 新日鉄マテリアルズ株式会社 Ｓｉの精錬方法
JP5140835B2 (ja) * 2005-03-07 2013-02-13 新日鉄住金マテリアルズ株式会社 高純度シリコンの製造方法
JP4966560B2 (ja) * 2005-03-07 2012-07-04 新日鉄マテリアルズ株式会社 高純度シリコンの製造方法
JP4850501B2 (ja) 2005-12-06 2012-01-11 新日鉄マテリアルズ株式会社 高純度シリコンの製造装置及び製造方法
US7682585B2 (en) 2006-04-25 2010-03-23 The Arizona Board Of Regents On Behalf Of The University Of Arizona Silicon refining process
CN104583123B (zh) * 2012-06-25 2017-07-25 希利柯尔材料股份有限公司 纯化硅的方法
CN103553050B (zh) * 2013-10-25 2016-03-02 青岛隆盛晶硅科技有限公司 多晶硅连续化介质熔炼方法
GB201621609D0 (en) * 2016-12-19 2017-02-01 Norwegian Univ Of Science And Tech (Ntnu) Process for the production of commercial grade silicon
CN108675306B (zh) * 2018-05-30 2021-11-16 云南永昌硅业股份有限公司 一种高效回收硅渣中硅金属的方法
CN115124041B (zh) * 2022-05-27 2023-11-17 大连理工大学 一种利用太阳能电池废旧玻璃提纯多晶硅废料的方法

Citations (5)

* 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
FR2380222A1 (fr) * 1977-02-14 1978-09-08 Wacker Chemie Gmbh Procede de reunion de la phase metallique lors d'une fusion et d'une purification du silicium
DE2729464A1 (de) * 1977-06-30 1979-01-11 Consortium Elektrochem Ind Verfahren zum reinigen von silicium
FR2440913A1 (fr) * 1978-11-09 1980-06-06 Montedison Spa Procede de purification de silicium
EP0024614A1 (de) * 1979-08-16 1981-03-11 Consortium für elektrochemische Industrie GmbH Verfahren zum Reinigen von Rohsilicium

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002135B1 (de) * 1977-11-21 1982-11-03 Union Carbide Corporation Gereinigtes metallurgisches Silizium und Verfahren zu dessen Herstellung

Patent Citations (5)

* 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
FR2380222A1 (fr) * 1977-02-14 1978-09-08 Wacker Chemie Gmbh Procede de reunion de la phase metallique lors d'une fusion et d'une purification du silicium
DE2729464A1 (de) * 1977-06-30 1979-01-11 Consortium Elektrochem Ind Verfahren zum reinigen von silicium
FR2440913A1 (fr) * 1978-11-09 1980-06-06 Montedison Spa Procede de purification de silicium
EP0024614A1 (de) * 1979-08-16 1981-03-11 Consortium für elektrochemische Industrie GmbH Verfahren zum Reinigen von Rohsilicium

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 89, no. 8, 21 août 1978, page 204, no. 63030t, Columbus, Ohio, US *
EXTENDED ABSTRACTS, vol. 81-2, octobre 1981, pages 1154-1155, résumé no. 480, Pennington, New Jersey, US *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141125A2 (de) * 1983-08-29 1985-05-15 Wacker-Chemie GmbH Verfahren zum Behandeln von Silicium und Ferrosilicium mit Schlacke
EP0141125A3 (en) * 1983-08-29 1988-03-02 Wacker-Chemie Gmbh Treatment of silicon and ferrosilicon with slag
FR2556333A1 (fr) * 1983-12-09 1985-06-14 Hanna Mining Co Procede pour purifier du silicium pour des applications necessitant une grande purete
EP0272777A2 (de) * 1986-12-22 1988-06-29 Dow Corning Corporation Zusatz von Calciumverbindungen in der karbothermischen Reduktion von Kieselerde
EP0272777A3 (en) * 1986-12-22 1989-03-15 Dow Corning Corporation Addition of calcium compounds to the carbothermic reduction of silica

Also Published As

Publication number Publication date
JPS58130114A (ja) 1983-08-03
IT8224563A0 (it) 1982-12-02
DE3201312A1 (de) 1983-07-28
SE8207238D0 (sv) 1982-12-17
IT1154400B (it) 1987-01-21
GB8301207D0 (en) 1983-02-16
GB2116956A (en) 1983-10-05
DE3201312C2 (de) 1983-12-22
SE8207238L (sv) 1983-07-19

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