IN2014KN02373A - - Google Patents

Info

Publication number
IN2014KN02373A
IN2014KN02373A IN2373KON2014A IN2014KN02373A IN 2014KN02373 A IN2014KN02373 A IN 2014KN02373A IN 2373KON2014 A IN2373KON2014 A IN 2373KON2014A IN 2014KN02373 A IN2014KN02373 A IN 2014KN02373A
Authority
IN
India
Prior art keywords
halosilane
containing process
arsenic
distillation
purifying
Prior art date
Application number
Inventor
Zhihui Gu
Gianluca Pazzaglia
Puneet Gupta
Original Assignee
Sunedison Inc
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 Sunedison Inc filed Critical Sunedison Inc
Publication of IN2014KN02373A publication Critical patent/IN2014KN02373A/en

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
    • C01B33/08—Compounds containing halogen
    • C01B33/107—Halogenated silanes
    • C01B33/10778—Purification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • 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
    • C01B33/08—Compounds containing halogen
    • C01B33/107—Halogenated silanes

Abstract

Methods for purifying a halosilane-containing process stream are disclosed. In some embodiments, arsenic and phosphorous impurities are removed from halosilane-containing process streams by use of distillation.
IN2373KON2014 2012-04-27 2013-04-17 IN2014KN02373A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261639641P 2012-04-27 2012-04-27
US13/836,018 US10011493B2 (en) 2012-04-27 2013-03-15 Methods for purifying halosilane-containing streams
PCT/US2013/036972 WO2013162969A1 (en) 2012-04-27 2013-04-17 Methods for purifying halosilane-containing streams

Publications (1)

Publication Number Publication Date
IN2014KN02373A true IN2014KN02373A (en) 2015-05-01

Family

ID=49476378

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2373KON2014 IN2014KN02373A (en) 2012-04-27 2013-04-17

Country Status (8)

Country Link
US (1) US10011493B2 (en)
KR (1) KR102099486B1 (en)
CN (1) CN104822430A (en)
DE (1) DE112013002206B4 (en)
IN (1) IN2014KN02373A (en)
MY (1) MY182211A (en)
TW (1) TWI637908B (en)
WO (1) WO2013162969A1 (en)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL235008A (en) * 1958-01-11
US3069239A (en) 1958-10-28 1962-12-18 Westinghouse Electric Corp Purification of halogenated silicon compounds
US3188318A (en) 1958-12-30 1965-06-08 Hercules Powder Co Ltd Process for producing phthalocyanines
FR1518553A (en) 1960-03-11 1968-03-29 Pechiney Prod Chimiques Sa Process for the purification of volatile compounds of germanium and silicon
US3067229A (en) * 1960-08-02 1962-12-04 Union Carbide Corp Phosphorus containing organosilicon compounds
US3156630A (en) * 1960-12-19 1964-11-10 Nat Distillers Chem Corp Purification of titanium tetrachloride by distillation in the presence of an oil and the use of an inert gas purge
BE632835A (en) 1962-06-04
DE1792651A1 (en) 1968-09-28 1971-11-25 Dynamit Nobel Ag Process for cleaning chlorosilanes
US4099936A (en) 1976-12-16 1978-07-11 Union Carbide Corporation Process for the purification of silane
CA1162028A (en) * 1979-08-01 1984-02-14 Larry M. Coleman Ultrahigh purity silane and silicon production
US4340574A (en) 1980-08-28 1982-07-20 Union Carbide Corporation Process for the production of ultrahigh purity silane with recycle from separation columns
US4374110A (en) * 1981-06-15 1983-02-15 Motorola, Inc. Purification of silicon source materials
US4481178A (en) 1982-11-08 1984-11-06 General Electric Company Purification of chlorosilanes
US5232602A (en) 1992-07-01 1993-08-03 Hemlock Semiconductor Corporation Phosphorous removal from tetrachlorosilane
DE10061682A1 (en) 2000-12-11 2002-07-04 Solarworld Ag Process for the production of high-purity silicon
ITRM20040570A1 (en) * 2004-11-19 2005-02-19 Memc Electronic Materials PROCEDURE AND PLANT FOR THE PURIFICATION OF TRICHLOROSILANE AND SILICON TETRACLORIDE.
DE102007014107A1 (en) * 2007-03-21 2008-09-25 Evonik Degussa Gmbh Work-up of boron-containing chlorosilane streams
DE102008002537A1 (en) * 2008-06-19 2009-12-24 Evonik Degussa Gmbh Process for the removal of boron-containing impurities from halosilanes and plant for carrying out the process

Also Published As

Publication number Publication date
KR20150020283A (en) 2015-02-25
US10011493B2 (en) 2018-07-03
DE112013002206B4 (en) 2023-01-12
TWI637908B (en) 2018-10-11
DE112013002206T5 (en) 2015-01-08
US20130284585A1 (en) 2013-10-31
MY182211A (en) 2021-01-18
CN104822430A (en) 2015-08-05
WO2013162969A1 (en) 2013-10-31
TW201348133A (en) 2013-12-01
KR102099486B1 (en) 2020-04-10

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