DK0699625T3 - Fremgangsmåde til raffinering af silicium - Google Patents

Fremgangsmåde til raffinering af silicium

Info

Publication number
DK0699625T3
DK0699625T3 DK95306100T DK95306100T DK0699625T3 DK 0699625 T3 DK0699625 T3 DK 0699625T3 DK 95306100 T DK95306100 T DK 95306100T DK 95306100 T DK95306100 T DK 95306100T DK 0699625 T3 DK0699625 T3 DK 0699625T3
Authority
DK
Denmark
Prior art keywords
molten silicon
slag
silicon
continuously
refining silicon
Prior art date
Application number
DK95306100T
Other languages
English (en)
Inventor
Anders Schei
Original Assignee
Elkem Materials
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 Elkem Materials filed Critical Elkem Materials
Application granted granted Critical
Publication of DK0699625T3 publication Critical patent/DK0699625T3/da

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
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
DK95306100T 1994-09-01 1995-08-31 Fremgangsmåde til raffinering af silicium DK0699625T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO943227A NO180532C (no) 1994-09-01 1994-09-01 Fremgangsmåte for fjerning av forurensninger fra smeltet silisium

Publications (1)

Publication Number Publication Date
DK0699625T3 true DK0699625T3 (da) 1999-05-25

Family

ID=19897360

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95306100T DK0699625T3 (da) 1994-09-01 1995-08-31 Fremgangsmåde til raffinering af silicium

Country Status (16)

Country Link
US (1) US5788945A (da)
EP (1) EP0699625B1 (da)
JP (1) JP2851257B2 (da)
KR (1) KR0178071B1 (da)
CN (1) CN1042821C (da)
AT (1) ATE178031T1 (da)
AU (1) AU682277B2 (da)
BR (1) BR9503835A (da)
DE (1) DE69508498T2 (da)
DK (1) DK0699625T3 (da)
ES (1) ES2130535T3 (da)
FI (1) FI114092B (da)
GR (1) GR3030154T3 (da)
NO (1) NO180532C (da)
RU (1) RU2098354C1 (da)
ZA (1) ZA956186B (da)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6368403B1 (en) * 1997-08-28 2002-04-09 Crystal Systems, Inc. Method and apparatus for purifying silicon
NO316020B1 (no) * 2001-10-10 2003-12-01 Elkem Materials Anordning for kontinuerlig slaggbehandling av silisium
WO2003066523A1 (fr) * 2002-02-04 2003-08-14 Sharp Kabushiki Kaisha Procede de purification du silicium, scories pour purifier le silicium et silicium purifie
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
JP4354265B2 (ja) * 2003-12-11 2009-10-28 新日鉄マテリアルズ株式会社 シリコン精錬におけるスラグ分離方法
NO333319B1 (no) * 2003-12-29 2013-05-06 Elkem As Silisiummateriale for fremstilling av solceller
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
WO2005102926A2 (en) * 2004-04-08 2005-11-03 Dow Corning Corporation Method of selecting silicon having improved performance
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
JP4782428B2 (ja) * 2005-01-11 2011-09-28 新日鉄マテリアルズ株式会社 シリコンの精錬方法
JP4511957B2 (ja) * 2005-01-24 2010-07-28 新日鉄マテリアルズ株式会社 シリコンの精錬方法
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
JP4689373B2 (ja) * 2005-07-04 2011-05-25 シャープ株式会社 シリコンの再利用方法
RU2301840C2 (ru) * 2005-09-16 2007-06-27 Общество с ограниченной ответственностью "Международная академическая корпорация науки и техники" (ООО "МАКНиТ") Устройство для очистки жидкого кремния
JP4671872B2 (ja) * 2006-01-18 2011-04-20 新日鉄マテリアルズ株式会社 シリコンの精錬方法
US7820126B2 (en) * 2006-08-18 2010-10-26 Iosil Energy Corporation Method and apparatus for improving the efficiency of purification and deposition of polycrystalline silicon
JP2010503596A (ja) * 2006-09-14 2010-02-04 シリシアム・ベカンクール・インコーポレイテッド 低品位シリコン材料の精製方法及び装置
CN101868422B (zh) * 2007-09-13 2013-10-09 费罗索勒硅业公司 用于从冶金级硅制备中等和高纯度硅的方法
JP2011516290A (ja) * 2008-04-11 2011-05-26 イオシル エナジー コーポレイション 使用済みウェーハソーイングスラリーからの珪素及び炭化珪素の回収のための方法及び装置
EP2300368B1 (de) * 2008-05-27 2014-10-08 Spawnt Private S.à.r.l. Halogenidhaltiges silicium, verfahren zur herstellung desselben und verwendung desselben
DE102008036143A1 (de) 2008-08-01 2010-02-04 Berlinsolar Gmbh Verfahren zum Entfernen von nichtmetallischen Verunreinigungen aus metallurgischem Silicium
US8329133B2 (en) * 2008-11-03 2012-12-11 Gt Crystal Systems, Llc Method and apparatus for refining metallurgical grade silicon to produce solar grade silicon
WO2010056350A2 (en) * 2008-11-14 2010-05-20 Carnegie Mellon University Methods for casting by a float process and associated appratuses
NO330928B1 (no) 2009-01-13 2011-08-22 Elkem Solar As Apparat og fremgangsmate for behandling av ublandbare vaesker
IT1394029B1 (it) 2009-05-12 2012-05-25 Raysolar S R L Metodo per la purificazione di silicio ed apparato con cui realizzarlo
CN101955186A (zh) * 2010-09-19 2011-01-26 江西盛丰新能源科技有限公司 一种物理除硼制备多晶硅的方法
KR101222175B1 (ko) * 2011-03-31 2013-01-14 연세대학교 산학협력단 슬래그와 실리콘의 밀도차이를 이용한 ＭＧ－Ｓｉ중 불순물의 정련 방법
CN103011169B (zh) * 2012-12-14 2014-05-07 厦门大学 一种片状硅的制备方法
NO339608B1 (no) * 2013-09-09 2017-01-09 Elkem Solar As Multikrystallinske silisiumingoter, silisiummasterlegering, fremgangsmåte for å øke utbyttet av multikrystallinske silisiumingoter for solceller
CN103754882B (zh) * 2013-12-27 2015-07-08 福建兴朝阳硅材料股份有限公司 一种除硼造渣剂的提纯方法
RU2600055C1 (ru) * 2015-05-26 2016-10-20 Общество с ограниченной ответственностью "Современные химические и металлургические технологии" (ООО "СХИМТ") Способ и устройство для рафинирования технического кремния
CN105063749B (zh) * 2015-06-08 2017-07-18 朱超 一种制备高纯度多晶硅的方法
GB201621609D0 (en) * 2016-12-19 2017-02-01 Norwegian Univ Of Science And Tech (Ntnu) Process for the production of commercial grade silicon
TWI640473B (zh) 2017-12-07 2018-11-11 財團法人工業技術研究院 除硼方法與除硼裝置
CN112236392B (zh) * 2019-03-22 2024-02-02 瓦克化学股份公司 用于生产工业硅的方法
EP3921282B1 (de) * 2019-03-27 2025-05-21 Wacker Chemie AG Verfahren zur herstellung von technischem silicium
US12338127B2 (en) 2019-04-30 2025-06-24 Wacker Chemie Ag Method for refining crude silicon melts using a particulate mediator

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1100218B (it) * 1978-11-09 1985-09-28 Montedison Spa Procedimento per la purificazione di silicio
US4247528A (en) * 1979-04-11 1981-01-27 Dow Corning Corporation Method for producing solar-cell-grade silicon
US4312848A (en) * 1979-05-24 1982-01-26 Aluminum Company Of America Boron removal in silicon purification
DE2945072A1 (de) * 1979-11-08 1981-06-04 Heliotronic Forschungs- und Entwicklungsgesellschaft für Solarzellen-Grundstoffe mbH, 8263 Burghausen Verfahren zum reinigen von rohsilicium
US4388286A (en) * 1982-01-27 1983-06-14 Atlantic Richfield Company Silicon purification
FR2556333A1 (fr) * 1983-12-09 1985-06-14 Hanna Mining Co Procede pour purifier du silicium pour des applications necessitant une grande purete
US4643833A (en) * 1984-05-04 1987-02-17 Siemens Aktiengesellschaft Method for separating solid reaction products from silicon produced in an arc furnace
US4612179A (en) * 1985-03-13 1986-09-16 Sri International Process for purification of solid silicon
NO901150L (no) * 1987-09-15 1990-03-12 Casco Nobel Ab Fremgangsmaate ved rensning av silicium.
SE460287B (sv) * 1987-09-15 1989-09-25 Casco Nobel Ab Foerfarande foer rening av kisel fraan bor
JP2856839B2 (ja) * 1990-05-11 1999-02-10 川崎製鉄株式会社 シリコンの精製方法
JP2846408B2 (ja) * 1990-05-30 1999-01-13 川崎製鉄株式会社 シリコンの精製方法
JP3205352B2 (ja) * 1990-05-30 2001-09-04 川崎製鉄株式会社 シリコン精製方法及び装置
US5208001A (en) * 1991-06-20 1993-05-04 Texas Instruments Incorporated Method for silicon purification
DE4122190C2 (de) * 1991-07-04 1995-07-06 Wacker Chemie Gmbh Verfahren und Vorrichtung zum kontinuierlichen Behandeln von Silicium
CN1080264A (zh) * 1993-03-01 1994-01-05 吴旺河 工业硅清渣除钙装置及其精制方法

Also Published As

Publication number Publication date
DE69508498D1 (de) 1999-04-29
NO180532B (no) 1997-01-27
GR3030154T3 (en) 1999-08-31
JP2851257B2 (ja) 1999-01-27
EP0699625B1 (en) 1999-03-24
FI114092B (fi) 2004-08-13
KR960012284A (ko) 1996-04-20
KR0178071B1 (ko) 1999-04-15
AU682277B2 (en) 1997-09-25
NO943227L (no) 1996-03-04
RU2098354C1 (ru) 1997-12-10
US5788945A (en) 1998-08-04
BR9503835A (pt) 1996-09-10
AU3036295A (en) 1996-03-14
FI954108A0 (fi) 1995-09-01
CN1042821C (zh) 1999-04-07
NO943227D0 (no) 1994-09-01
ATE178031T1 (de) 1999-04-15
ZA956186B (en) 1997-01-27
ES2130535T3 (es) 1999-07-01
FI954108L (fi) 1996-03-02
NO180532C (no) 1997-05-07
DE69508498T2 (de) 1999-11-18
JPH0873209A (ja) 1996-03-19
EP0699625A1 (en) 1996-03-06
CN1133262A (zh) 1996-10-16

Similar Documents

Publication Publication Date Title
DK0699625T3 (da) Fremgangsmåde til raffinering af silicium
RU95114671A (ru) Способ удаления примесей расплава кремния
FR2827592B1 (fr) Silicium metallurgique de haute purete et procede d'elaboration
SE8207238D0 (sv) Forfarande for rening av kisel
ATE35293T1 (de) Verfahren und vorrichtung zur lithiumraffination.
AU562231B2 (en) Removal of ca, al as impurities from silicon and ferrosilicon with acid slag
FI934862A0 (fi) Foerfarande foer kvantitativ rening av glykolipider
DE69105920D1 (de) Verfahren zur Reinigung von Tetraacetylethylendiamin (TAED).
SE8703561D0 (sv) Forfarande for rening av kisel
CA2153932A1 (en) Method for Refining of Silicon
DE3361823D1 (en) Process for the removal of the slag from molten mixtures of slag and silicon
DK0449672T3 (da) Agglomerater af aktiveret aluminiumoxid og fremgangsmåde til deres fremstilling
SE8003840L (sv) Forfarande for rening av kisel
ES2097148T3 (es) Purificacion de azufre elemental.
JPS6456311A (en) Production of high-purity silicon
SU1268635A1 (ru) Способ очистки олов нного сплава от меди
SU1222701A1 (ru) Модификатор дл чугуна
DE69113324D1 (de) Ofen zum Schmelzen und Raffinieren von Glas.
CS802488A1 (en) Method of impurities removal from upper part of crystal drawn from crucible
Kramer Phosphorus Removal in Silicon Purification
JPS57155310A (en) Removal of slag
SU1775929A1 (ru) Способ получения аморфной ленты
YU54780A (en) Process for the elimination of impurities from molten metals
RO95566B1 (ro) Flux de productie, dezoxidare si curatire zgura pentru aliaje de aluminiu deformabile
RU93039916A (ru) Способ обработки технически чистого металла