BRPI0509650A - método de seleção de silìcio com desempenho aperfeiçoado - Google Patents

método de seleção de silìcio com desempenho aperfeiçoado

Info

Publication number
BRPI0509650A
BRPI0509650A BRPI0509650-2A BRPI0509650A BRPI0509650A BR PI0509650 A BRPI0509650 A BR PI0509650A BR PI0509650 A BRPI0509650 A BR PI0509650A BR PI0509650 A BRPI0509650 A BR PI0509650A
Authority
BR
Brazil
Prior art keywords
silicon metalloid
metalloid
batch
slag
silicon
Prior art date
Application number
BRPI0509650-2A
Other languages
English (en)
Inventor
Vishu Dutt Dosaj
Michael George Kroupa
Paul Jacques Marion
Original Assignee
Dow Corning
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 Dow Corning filed Critical Dow Corning
Publication of BRPI0509650A publication Critical patent/BRPI0509650A/pt
Publication of BRPI0509650B1 publication Critical patent/BRPI0509650B1/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
    • C01B33/025—Preparation by reduction of silica or free silica-containing material with carbon or a solid carbonaceous material, i.e. carbo-thermal process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

MéTODO DE SELEçãO DE SILìCIO COM DESEMPENHO APERFEIçOADO. Metalóide de subia com melhor desempenho no processo direto para fabricação de organo-halosilanos é selecionado por (A) medição da temperatura de cada lote de metalóide de silício tanto durante o refino como durante a fundição do metalóide de silício; (B) medição dos níveis de impurezas elementares em cada lote de metalóide de silício depois do refino do metalóide de silício; (C) previsão das propriedades da fase de escória produzida durante refino do metalóide de silício com base nos cálculos de equilíbrio usando os níveis de impurezas elementares e as temperaturas medidas de cada lote de metalóide de silício e (D) seleção de um metalóide de silício de qualidade química para uso no processo direto para fabricar organo-halosilanos com base nas propriedades previstas da escória; de modo que a densidade da escória, a viscosidade e o ponto de fusão da escória estejam dentro de faixas aceitáveis e predeterminadas para cada lote individual.
BRPI0509650A 2004-04-08 2005-03-15 método de seleção de metaloide de silício de qualidade química que possui melhor rendimento no processo direto para fabricação de organo- halosilanos e método de seleção de silício de qualidade química durante o processo de produção de silício. BRPI0509650B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56053204P 2004-04-08 2004-04-08
PCT/US2005/008594 WO2005102926A2 (en) 2004-04-08 2005-03-15 Method of selecting silicon having improved performance

Publications (2)

Publication Number Publication Date
BRPI0509650A true BRPI0509650A (pt) 2007-10-09
BRPI0509650B1 BRPI0509650B1 (pt) 2016-05-10

Family

ID=34963220

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0509650A BRPI0509650B1 (pt) 2004-04-08 2005-03-15 método de seleção de metaloide de silício de qualidade química que possui melhor rendimento no processo direto para fabricação de organo- halosilanos e método de seleção de silício de qualidade química durante o processo de produção de silício.

Country Status (10)

Country Link
US (1) US7569716B2 (pt)
EP (1) EP1737789A2 (pt)
CN (1) CN100548877C (pt)
AU (1) AU2005235568B2 (pt)
BR (1) BRPI0509650B1 (pt)
CA (1) CA2563202C (pt)
NO (1) NO20063832L (pt)
RU (1) RU2371386C2 (pt)
WO (1) WO2005102926A2 (pt)
ZA (1) ZA200607153B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8900341B2 (en) 2010-05-20 2014-12-02 Dow Corning Corporation Method and system for producing an aluminum—silicon alloy

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2380996A (en) 1941-09-26 1945-08-07 Gen Electric Preparation of organosilicon halides
US2380995A (en) * 1941-09-26 1945-08-07 Gen Electric Preparation of organosilicon halides
US2380966A (en) * 1942-09-16 1945-08-07 Standard Telephones Cables Ltd Alternator
US3728110A (en) * 1968-12-10 1973-04-17 Scm Corp Process for forming a sintered briquette
US4247528A (en) * 1979-04-11 1981-01-27 Dow Corning Corporation Method for producing solar-cell-grade silicon
DE3836940C1 (pt) 1988-10-29 1990-05-17 Th. Goldschmidt Ag, 4300 Essen, De
RO103058B1 (ro) 1988-11-10 1993-02-15 Inst De Constructii Bucuresti Brîchete din negru de fum
SU1636334A1 (ru) 1989-04-21 1991-03-23 Московский институт тонкой химической технологии им.М.В.Ломоносова Способ получени ультрадисперсного порошка карбида кремни
ES2025980A6 (es) 1990-09-11 1992-04-01 Consejo Superior Investigacion Procedimiento de obtencion de mezclas homogeneas nitrurables de alumina+carbon en medio acuoso.
ES2025982A6 (es) 1990-09-11 1992-04-01 Consejo Superior Investigacion Procedimiento de obtencion de mezclas homogegeas nitrurables de premullita+carbon en medio acuoso.
ES2025981A6 (es) 1990-09-11 1992-04-01 Consejo Superior Investigacion Procedimiento de obtencion de mezclas homogeneas nitrurables de caolin+carbon en medio acuoso.
US5302341A (en) * 1992-10-29 1994-04-12 Palsat International, Inc. Continuous method for formation of briquettes contains less than 1% binder by weight of the briquette
US5427952A (en) 1993-01-11 1995-06-27 Dow Corning Corporation Analytical method for nonmetallic contaminates in silicon
US5973177A (en) 1998-07-29 1999-10-26 Dow Corning Corporation Method for selecting silicon metalloid having improved performance in the direct process for making organohalosilanes
NO313511B1 (no) 1999-10-01 2002-10-14 Elkem Materials Karbonholdige agglomerater

Also Published As

Publication number Publication date
BRPI0509650B1 (pt) 2016-05-10
RU2006139143A (ru) 2008-05-20
US20080233035A1 (en) 2008-09-25
ZA200607153B (en) 2008-04-30
CA2563202A1 (en) 2005-11-03
NO20063832L (no) 2006-11-02
CN1938227A (zh) 2007-03-28
WO2005102926A2 (en) 2005-11-03
EP1737789A2 (en) 2007-01-03
AU2005235568B2 (en) 2010-10-07
US7569716B2 (en) 2009-08-04
RU2371386C2 (ru) 2009-10-27
CA2563202C (en) 2012-07-10
AU2005235568A1 (en) 2005-11-03
CN100548877C (zh) 2009-10-14

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 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: 10 (DEZ) ANOS CONTADOS A PARTIR DE 10/05/2016, OBSERVADAS AS CONDICOES LEGAIS.