GB1581418A - Purification of silicon - Google Patents

Purification of silicon Download PDF

Info

Publication number
GB1581418A
GB1581418A GB19261/78A GB1926178A GB1581418A GB 1581418 A GB1581418 A GB 1581418A GB 19261/78 A GB19261/78 A GB 19261/78A GB 1926178 A GB1926178 A GB 1926178A GB 1581418 A GB1581418 A GB 1581418A
Authority
GB
United Kingdom
Prior art keywords
acid
silicon
weight
granulate
range
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
GB19261/78A
Other languages
English (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.)
Siltronic AG
Original Assignee
Wacker Siltronic 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 Wacker Siltronic AG filed Critical Wacker Siltronic AG
Publication of GB1581418A publication Critical patent/GB1581418A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/02Silicon
    • C01B33/037Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
  • Photovoltaic Devices (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Detergent Compositions (AREA)
GB19261/78A 1977-05-20 1978-05-12 Purification of silicon Expired GB1581418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772722783 DE2722783A1 (de) 1977-05-20 1977-05-20 Verfahren zum reinigen von silicium

Publications (1)

Publication Number Publication Date
GB1581418A true GB1581418A (en) 1980-12-10

Family

ID=6009446

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19261/78A Expired GB1581418A (en) 1977-05-20 1978-05-12 Purification of silicon

Country Status (8)

Country Link
JP (1) JPS53144819A (fr)
BE (1) BE867204A (fr)
DE (1) DE2722783A1 (fr)
FR (1) FR2391157A1 (fr)
GB (1) GB1581418A (fr)
IT (1) IT1104837B (fr)
NL (1) NL7804064A (fr)
NO (1) NO781742L (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19531031A1 (de) * 1995-08-23 1997-02-27 Ictop Entwicklungsgesellschaft Verfahren zum Trocknen von Silizium
US5651807A (en) * 1994-03-30 1997-07-29 Elkem A/S Method for treatment of residues from organochlorosilane and/or chlorosilansynthesis
US5714203A (en) * 1995-08-23 1998-02-03 Ictop Entwicklungs Gmbh Procedure for the drying of silicon
AU2007201329B2 (en) * 2006-03-28 2009-10-22 Hts Hans Torgersen & Sonn As Reclining group
EP2426087A3 (fr) * 2005-07-04 2012-12-19 Sharp Kabushiki Kaisha Procédé de recyclage de silicium, silicium et lingot de silicium fabriqués par celui-ci
US11772102B2 (en) 2017-06-16 2023-10-03 His Majesty The King In Right Of Canada As Represented By The Minister Of Natural Resources Combined grinding and leaching apparatus for ores and wastes and methods of use thereof

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2933164A1 (de) * 1979-08-16 1981-02-26 Consortium Elektrochem Ind Verfahren zum reinigen von rohsilicium
DE3128979C2 (de) * 1981-07-22 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Verfahren zum Herstellen von für Solarzellen verwendbarem Silizium
DE3210141A1 (de) * 1982-03-19 1983-09-22 Siemens AG, 1000 Berlin und 8000 München Verfahren zum herstellen von fuer insbesondere solarzellen verwendbarem silicium
DE3317286A1 (de) * 1983-05-11 1984-11-22 Heliotronic Forschungs- und Entwicklungsgesellschaft für Solarzellen-Grundstoffe mbH, 8263 Burghausen Verfahren zur reinigung von silicium durch saeureeinwirkung
DE3332447A1 (de) * 1983-09-08 1985-03-21 Wacker-Chemitronic Gesellschaft für Elektronik-Grundstoffe mbH, 8263 Burghausen Verfahren zur befreiung von siliciumbruchstuecken von verunreinigungen
JPS61178414A (ja) * 1985-01-31 1986-08-11 Nippon Chem Ind Co Ltd:The 高純度シリカおよびその製造方法
JPS6212608A (ja) * 1985-07-11 1987-01-21 Nippon Chem Ind Co Ltd:The 高純度シリカ及びその製造方法
JPH0429952Y2 (fr) * 1986-05-14 1992-07-20
JP2553476Y2 (ja) * 1993-09-27 1997-11-05 涌井工業株式会社 焼却器
JP4686824B2 (ja) * 2000-07-28 2011-05-25 Jfeスチール株式会社 シリコンに付着した石英除去方法及び除去装置
CN101597063A (zh) * 2008-06-06 2009-12-09 佳科太阳能硅(厦门)有限公司 冶金硅中杂质硼的去除方法
DE102010053693A1 (de) * 2010-12-08 2012-06-14 Adensis Gmbh Verfahren zur chemischen Reinigung von metallurgischem Silizium und Vorrichtung zur Durchführung des Verfahrens

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1386227A (en) * 1919-09-26 1921-08-02 Electro Metallurg Co Process of refining crude electric-furnace silicon
CH332463A (de) * 1954-09-24 1958-09-15 Lonza Ag Verfahren zur Reinigung von Rohsilizium
CH346532A (de) * 1956-01-19 1960-05-31 Lonza Ag Verfahren zur Herstellung von reinem Siliziummetall
AT200106B (de) * 1956-12-24 1958-10-25 Degussa Verfahren zur Herstellung von reinstem Silizium
DE1091590B (de) * 1957-11-28 1960-10-27 Joergen August Kolflaath Verfahren zum Raffinieren von Ferro-Silizium und Silizium
NO122241B (fr) * 1970-05-04 1971-06-07 Spigerverk C

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5651807A (en) * 1994-03-30 1997-07-29 Elkem A/S Method for treatment of residues from organochlorosilane and/or chlorosilansynthesis
DE19531031A1 (de) * 1995-08-23 1997-02-27 Ictop Entwicklungsgesellschaft Verfahren zum Trocknen von Silizium
US5714203A (en) * 1995-08-23 1998-02-03 Ictop Entwicklungs Gmbh Procedure for the drying of silicon
US6132811A (en) * 1995-08-23 2000-10-17 Ictop Entwicklungs Gmbh Procedure for the drying of silicon
EP2426087A3 (fr) * 2005-07-04 2012-12-19 Sharp Kabushiki Kaisha Procédé de recyclage de silicium, silicium et lingot de silicium fabriqués par celui-ci
AU2007201329B2 (en) * 2006-03-28 2009-10-22 Hts Hans Torgersen & Sonn As Reclining group
US11772102B2 (en) 2017-06-16 2023-10-03 His Majesty The King In Right Of Canada As Represented By The Minister Of Natural Resources Combined grinding and leaching apparatus for ores and wastes and methods of use thereof

Also Published As

Publication number Publication date
DE2722783A1 (de) 1978-11-30
JPS5648441B2 (fr) 1981-11-16
NO781742L (no) 1978-11-21
NL7804064A (nl) 1978-11-22
DE2722783C2 (fr) 1987-05-27
FR2391157A1 (fr) 1978-12-15
IT1104837B (it) 1985-10-28
JPS53144819A (en) 1978-12-16
IT7849434A0 (it) 1978-05-18
FR2391157B1 (fr) 1980-04-04
BE867204A (fr) 1978-11-20

Similar Documents

Publication Publication Date Title
GB1581418A (en) Purification of silicon
US4241037A (en) Process for purifying silicon
JP5032223B2 (ja) ポリシリコン破砕物を清浄化する方法
US7964172B2 (en) Method of manufacturing high-surface-area silicon
EP0264045A2 (fr) Procédé de raffinage de silicium et silicium purifié de cette façon
WO2010029894A1 (fr) Silicium cristallin de haute pureté, tétrachlorure de silicium de haute pureté, et procédés pour produire ceux-ci
GB2121441A (en) Process for upgrading metal powder
DE102008010744B4 (de) Reduktion von Siliziumdioxid
JPH0344131B2 (fr)
CN211515533U (zh) 一种工业氯化钠资源化利用工艺装置
EP1172331B1 (fr) Procede de purification de l'acide phosphorique
DE3303694C2 (de) Verfahren zur Herstellung von Aluminium-Silizium-Legierungen
CN218097186U (zh) 一种处理低钒钛铝废料并制备高品质铝的装置
CN101186299A (zh) 一种流化床装置生产高纯度硅的新工艺
US4664896A (en) Process for purifying yellow phosphorus
US5283042A (en) Process for the purification of white phosphorus
Lian et al. Preliminary study of hydrometallurgical refining of MG-silicon with attrition grinding
JPH07316681A (ja) 金属材料又は合金材料の製造方法及び精製剤、並びに耐食性に優れた金属材料又は合金材料
CN1247450C (zh) 爆轰法制备纳米石墨粉的方法
EP2779288A1 (fr) Procédé de récupération de matières premières
JP2665437B2 (ja) 金属けい素の精製方法
CN219136958U (zh) 粉煤灰取铝的制备系统
JPH075288B2 (ja) 分割されたけい素をプラズマの下で精製する方法
CN215429019U (zh) 一种铝灰安全制备聚合氯化铝的装置
JPS6153123A (ja) 低シリカ酸化鉄の製造方法

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee