BR112019012517B8 - Processo para a produção de silício de qualidade comercial - Google Patents

Processo para a produção de silício de qualidade comercial

Info

Publication number
BR112019012517B8
BR112019012517B8 BR112019012517A BR112019012517A BR112019012517B8 BR 112019012517 B8 BR112019012517 B8 BR 112019012517B8 BR 112019012517 A BR112019012517 A BR 112019012517A BR 112019012517 A BR112019012517 A BR 112019012517A BR 112019012517 B8 BR112019012517 B8 BR 112019012517B8
Authority
BR
Brazil
Prior art keywords
production
quality silicon
commercial quality
commercial
silicon
Prior art date
Application number
BR112019012517A
Other languages
English (en)
Other versions
BR112019012517A2 (pt
BR112019012517B1 (pt
Inventor
Safarian Jafar
Tranell Gabriella
Original Assignee
Norwegian Univ Sci & Tech Ntnu
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 Norwegian Univ Sci & Tech Ntnu filed Critical Norwegian Univ Sci & Tech Ntnu
Publication of BR112019012517A2 publication Critical patent/BR112019012517A2/pt
Publication of BR112019012517B1 publication Critical patent/BR112019012517B1/pt
Publication of BR112019012517B8 publication Critical patent/BR112019012517B8/pt

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
    • C01B33/037—Purification
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/02—Elements
    • C30B29/06—Silicon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Silicon Compounds (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

Um processo para preparar um silício altamente puro pela redução de uma escória de silicato de cálcio usando uma fonte de alumínio.
BR112019012517A 2016-12-19 2017-12-18 Processo para a produção de silício de qualidade comercial BR112019012517B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1621609.5 2016-12-19
GBGB1621609.5A GB201621609D0 (en) 2016-12-19 2016-12-19 Process for the production of commercial grade silicon
PCT/EP2017/083402 WO2018114861A1 (en) 2016-12-19 2017-12-18 Process for the production of commercial grade silicon

Publications (3)

Publication Number Publication Date
BR112019012517A2 BR112019012517A2 (pt) 2019-11-19
BR112019012517B1 BR112019012517B1 (pt) 2023-02-23
BR112019012517B8 true BR112019012517B8 (pt) 2023-03-14

Family

ID=58284527

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112019012517A BR112019012517B8 (pt) 2016-12-19 2017-12-18 Processo para a produção de silício de qualidade comercial

Country Status (7)

Country Link
US (1) US11780734B2 (pt)
EP (2) EP4279453A3 (pt)
CN (1) CN110612269B (pt)
BR (1) BR112019012517B8 (pt)
ES (1) ES2961682T3 (pt)
GB (1) GB201621609D0 (pt)
WO (1) WO2018114861A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201621609D0 (en) 2016-12-19 2017-02-01 Norwegian Univ Of Science And Tech (Ntnu) Process for the production of commercial grade silicon
EP3643680A1 (en) * 2018-10-23 2020-04-29 SiQAl UG (haftungsbeschränkt) Coupled production of high purity silicon and alumina
CN111807372B (zh) * 2020-07-21 2022-08-26 昆明理工大学 一种硅片切割废料顶吹精炼的方法
CN115821383A (zh) * 2022-12-07 2023-03-21 西安奕斯伟材料科技有限公司 单晶炉装置
CN116282038B (zh) * 2023-04-04 2024-07-02 攀枝花学院 利用金刚石线硅片切割废料和酸溶性钛渣生产C54-TiSi2的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3201312C2 (de) * 1982-01-18 1983-12-22 Skw Trostberg Ag, 8223 Trostberg Verfahren zur Reinigung von Silicium
DE3208878A1 (de) * 1982-03-11 1983-09-22 Heliotronic Forschungs- und Entwicklungsgesellschaft für Solarzellen-Grundstoffe mbH, 8263 Burghausen Semikontinuierliches verfahren zur herstellung von reinem silicium
NO180532C (no) * 1994-09-01 1997-05-07 Elkem Materials Fremgangsmåte for fjerning av forurensninger fra smeltet silisium
JP4159994B2 (ja) 2002-02-04 2008-10-01 シャープ株式会社 シリコンの精製方法、シリコン精製用スラグおよび精製されたシリコン
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
WO2004101434A1 (en) 2003-05-15 2004-11-25 Helmut Engel The metallurgical method of receiving the high purity silicon powder by chemical processing
WO2006041271A1 (en) 2004-10-12 2006-04-20 The Ministry Of Education And Sciences Of Republic Kazakhstan Republican State Enterprise 'center Of Chemical-Technological Researches' Method of production of pure silicon
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
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
JP5086657B2 (ja) * 2007-02-08 2012-11-28 新日鉄エンジニアリング株式会社 回転炉床式還元炉及びその操業方法
NO330928B1 (no) * 2009-01-13 2011-08-22 Elkem Solar As Apparat og fremgangsmate for behandling av ublandbare vaesker
GB201621609D0 (en) 2016-12-19 2017-02-01 Norwegian Univ Of Science And Tech (Ntnu) Process for the production of commercial grade silicon

Also Published As

Publication number Publication date
EP3554998A1 (en) 2019-10-23
EP3554998B1 (en) 2023-11-08
WO2018114861A9 (en) 2019-11-07
GB201621609D0 (en) 2017-02-01
ES2961682T3 (es) 2024-03-13
WO2018114861A1 (en) 2018-06-28
CN110612269B (zh) 2023-04-28
BR112019012517A2 (pt) 2019-11-19
US20200095131A1 (en) 2020-03-26
RU2764670C2 (ru) 2022-01-19
BR112019012517B1 (pt) 2023-02-23
RU2019119809A3 (pt) 2021-01-19
RU2019119809A (ru) 2021-01-19
EP4279453A3 (en) 2024-06-19
CN110612269A (zh) 2019-12-24
EP3554998C0 (en) 2023-11-08
US11780734B2 (en) 2023-10-10
EP4279453A2 (en) 2023-11-22

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Legal Events

Date Code Title Description
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/12/2017, OBSERVADAS AS CONDICOES LEGAIS

B16C Correction of notification of the grant [chapter 16.3 patent gazette]

Free format text: REF. RPI 2720 DE 23/02/2023 QUANTO AOS DESENHOS.