GR3004735T3 - - Google Patents

Info

Publication number
GR3004735T3
GR3004735T3 GR920401084T GR920401084T GR3004735T3 GR 3004735 T3 GR3004735 T3 GR 3004735T3 GR 920401084 T GR920401084 T GR 920401084T GR 920401084 T GR920401084 T GR 920401084T GR 3004735 T3 GR3004735 T3 GR 3004735T3
Authority
GR
Greece
Prior art keywords
silicon tetrafluoride
gaseous stream
carried out
sulphuric acid
zone
Prior art date
Application number
GR920401084T
Other languages
English (en)
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 filed Critical
Publication of GR3004735T3 publication Critical patent/GR3004735T3/el

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/08Compounds containing halogen
    • C01B33/107Halogenated silanes
    • C01B33/10705Tetrafluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
GR920401084T 1986-07-23 1992-05-27 GR3004735T3 (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21226/86A IT1196983B (it) 1986-07-23 1986-07-23 Procedimento per la produzione di tetrafluoruro di silicio

Publications (1)

Publication Number Publication Date
GR3004735T3 true GR3004735T3 (el) 1993-04-28

Family

ID=11178673

Family Applications (1)

Application Number Title Priority Date Filing Date
GR920401084T GR3004735T3 (el) 1986-07-23 1992-05-27

Country Status (8)

Country Link
US (1) US4900530A (el)
EP (1) EP0254349B1 (el)
JP (1) JPS6340714A (el)
AT (1) ATE76040T1 (el)
DE (1) DE3778993D1 (el)
ES (1) ES2032811T3 (el)
GR (1) GR3004735T3 (el)
IT (1) IT1196983B (el)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO931606L (no) * 1992-05-26 1993-11-29 Saint Gobain Vitrage Vindusplate med en funksjonell film
US5232602A (en) * 1992-07-01 1993-08-03 Hemlock Semiconductor Corporation Phosphorous removal from tetrachlorosilane
US5242670A (en) * 1992-07-02 1993-09-07 Gehringer Ronald C Method for hydrofluoric acid digestion of silica/alumina matrix material for the production of silicon tetrafluoride, aluminum fluoride and other residual metal fluorides and oxides
US5888468A (en) * 1998-06-05 1999-03-30 Starmet Corp. Method for producing silicon tetrafluoride from uranium tetrafluoride
US6033642A (en) * 1999-03-29 2000-03-07 Starmet Corporation Method for producing silicon tetrafluoride from uranium oxyfluoride
US7666379B2 (en) * 2001-07-16 2010-02-23 Voltaix, Inc. Process and apparatus for removing Bronsted acid impurities in binary halides
JP4588396B2 (ja) * 2003-09-25 2010-12-01 昭和電工株式会社 テトラフルオロシランの製造方法
TW200512159A (en) * 2003-09-25 2005-04-01 Showa Denko Kk Method for producing tetrafluorosilane
JP4576312B2 (ja) * 2005-10-03 2010-11-04 東北電力株式会社 四フッ化ケイ素の製造方法、及びそれに用いる製造装置
AU2006318589A1 (en) 2005-11-25 2007-05-31 Vesta Research Ltd. Process for producing a silicon nitride compound
JP5654872B2 (ja) * 2007-09-21 2015-01-14 エムイーエムシー・エレクトロニック・マテリアルズ・インコーポレイテッドMemc Electronic Materials,Incorporated 四フッ化ケイ素の精製方法
US8528026B2 (en) * 2008-12-05 2013-09-03 At&T Intellectual Property I, L.P. System and method for processing audio signals received by a communication device
US8124039B2 (en) 2009-01-26 2012-02-28 Vithal Revankar Process of silicon tetrafluoride gas synthesis
CN112158849B (zh) * 2020-09-27 2023-06-30 湖北祥云(集团)化工股份有限公司 一种磷矿伴生氟制备四氟化硅的方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456509A (en) * 1944-10-06 1948-12-14 Allied Chem & Dye Corp Manufacture of hydrogen fluoride
GB745800A (en) * 1953-08-06 1956-02-29 Kali Chemie Ag Process for the production of pure silicon tetrafluoride
DE1022569B (de) * 1954-06-09 1958-01-16 Grace W R & Co Verfahren zur Herstellung von Siliciumtetrafluorid
GB1015604A (en) * 1961-10-11 1966-01-05 Texas Instruments Ltd A treatment process for silicon compounds
US3758674A (en) * 1971-09-16 1973-09-11 Wellman Power Gas Inc Process for producing anhydrous hf from fluosilicic acid
US3969485A (en) * 1971-10-28 1976-07-13 Flemmert Goesta Lennart Process for converting silicon-and-fluorine-containing waste gases into silicon dioxide and hydrogen fluoride
US4138509A (en) * 1977-12-23 1979-02-06 Motorola, Inc. Silicon purification process
JPS604126B2 (ja) * 1981-03-18 1985-02-01 セントラル硝子株式会社 四弗化珪素の精製法
JPS604127B2 (ja) * 1981-08-06 1985-02-01 セントラル硝子株式会社 四弗化珪素ガスの精製法
US4470959A (en) * 1983-06-20 1984-09-11 Allied Corporation Continuous production of silicon tetrafluoride gas in a vertical column
JPS6090810A (ja) * 1983-10-20 1985-05-22 Mitsui Toatsu Chem Inc フルオロシランガスの製造方法
US4557921A (en) * 1984-06-27 1985-12-10 Ethyl Corporation Purification of halide
JPS6197129A (ja) * 1984-10-18 1986-05-15 Mitsui Toatsu Chem Inc フルオロシラン類の精製法
JPS61118117A (ja) * 1984-11-14 1986-06-05 Taiyo Sanso Kk 有毒ガス成分を含むガスの処理方法

Also Published As

Publication number Publication date
EP0254349A2 (en) 1988-01-27
ES2032811T3 (es) 1993-03-01
DE3778993D1 (de) 1992-06-17
IT8621226A0 (it) 1986-07-23
IT8621226A1 (it) 1988-01-23
US4900530A (en) 1990-02-13
JPS6340714A (ja) 1988-02-22
IT1196983B (it) 1988-11-25
EP0254349A3 (en) 1988-08-31
ATE76040T1 (de) 1992-05-15
EP0254349B1 (en) 1992-05-13

Similar Documents

Publication Publication Date Title
EP0254349A3 (en) Process for the production of silicon tetrafluoride
SE8602869L (sv) Sett och anordning for rening av argon
JPS5517309A (en) Preparation of high purity terephthalic acid
ES477942A1 (es) Procedimiento para el tratamiento de soluciones acuosas impuras de oxido de etileno.
GR3026053T3 (en) Recovery of citric acid from impure process streams by addition of strong acids and salts thereof.
SE8803606L (sv) Foerfarande foer framstaellning av klordioxid
DE3574125D1 (en) Method of purifying waste water
GB1490228A (en) Process for regenerating sulphuric acid
EP0109033A3 (en) Purification of bisphenol-a
YU92601A (sh) Sistem za rekuperaciju etilena
DE3470410D1 (en) Process and apparatus for the concentration and purification of sulfuric acid containing organic impurities
DE3260280D1 (en) Process for the preparation of isosorbid-5-nitrate
WO1990006284A3 (en) Process for recovering boron trifluoride from an impure gaseous boron trifluoride residue
GB1454577A (en) Process for purifying quartz sand
GB1370678A (en) Process for the removal of oxidisable gases from a gas stream
JPS5781436A (en) Purification of ethyl acetate
DE3164616D1 (en) Process for recovering sulfuric acid from the reaction mixture issuing from the sulfoxidation of paraffins
JPS6475494A (en) Production of n-acyl, o,s-dimethylphosphoroamidethioate
HK1005027A1 (en) Process for purification of 1,2-bis(nicotinamido) propane
SU1212934A1 (ru) Способ концентрировани серной кислоты
SU1683809A1 (ru) Способ проведени химических реакций между несмешивающимис жидкими реагентами
RU2002119212A (ru) Способ получения моносилана высокой чистоты
Ingle et al. Silicon Purification Process
EP0316964A3 (en) Process for the purification of podophyllotoxin
JPS5524143A (en) Purification of naphthoquinone