IT1196983B - Procedimento per la produzione di tetrafluoruro di silicio - Google Patents

Procedimento per la produzione di tetrafluoruro di silicio

Info

Publication number
IT1196983B
IT1196983B IT21226/86A IT2122686A IT1196983B IT 1196983 B IT1196983 B IT 1196983B IT 21226/86 A IT21226/86 A IT 21226/86A IT 2122686 A IT2122686 A IT 2122686A IT 1196983 B IT1196983 B IT 1196983B
Authority
IT
Italy
Prior art keywords
silicon tetrafluoride
gaseous stream
carried out
sulphuric acid
zone
Prior art date
Application number
IT21226/86A
Other languages
English (en)
Other versions
IT8621226A1 (it
IT8621226A0 (it
Inventor
Guido Anania
Angelo Bianchi
Vito Cultrera
Francesco Russo
Giovanni Spagna
Original Assignee
Enichem Agricoltura Spa
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 Enichem Agricoltura Spa filed Critical Enichem Agricoltura Spa
Publication of IT8621226A0 publication Critical patent/IT8621226A0/it
Priority to IT21226/86A priority Critical patent/IT1196983B/it
Priority to EP87201303A priority patent/EP0254349B1/en
Priority to DE8787201303T priority patent/DE3778993D1/de
Priority to AT87201303T priority patent/ATE76040T1/de
Priority to ES198787201303T priority patent/ES2032811T3/es
Priority to JP62182427A priority patent/JPS6340714A/ja
Priority to US07/076,736 priority patent/US4900530A/en
Publication of IT8621226A1 publication Critical patent/IT8621226A1/it
Application granted granted Critical
Publication of IT1196983B publication Critical patent/IT1196983B/it
Priority to GR920401084T priority patent/GR3004735T3/el

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
    • C01B33/10705—Tetrafluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
IT21226/86A 1986-07-23 1986-07-23 Procedimento per la produzione di tetrafluoruro di silicio IT1196983B (it)

Priority Applications (8)

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
ES198787201303T ES2032811T3 (es) 1986-07-23 1987-07-08 Procedimiento para la produccion de tetrafluoruro de silicio.
DE8787201303T DE3778993D1 (de) 1986-07-23 1987-07-08 Verfahren zur herstellung von silizium-tetrafluorid.
AT87201303T ATE76040T1 (de) 1986-07-23 1987-07-08 Verfahren zur herstellung von siliziumtetrafluorid.
EP87201303A EP0254349B1 (en) 1986-07-23 1987-07-08 Process for the production of silicon tetrafluoride
JP62182427A JPS6340714A (ja) 1986-07-23 1987-07-23 四フッ化ケイ素の製法
US07/076,736 US4900530A (en) 1986-07-23 1987-07-23 Process for the production of silicon tetrafluoride
GR920401084T GR3004735T3 (it) 1986-07-23 1992-05-27

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 (3)

Publication Number Publication Date
IT8621226A0 IT8621226A0 (it) 1986-07-23
IT8621226A1 IT8621226A1 (it) 1988-01-23
IT1196983B true IT1196983B (it) 1988-11-25

Family

ID=11178673

Family Applications (1)

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

Country Status (8)

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

Families Citing this family (15)

* 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
TW200512159A (en) * 2003-09-25 2005-04-01 Showa Denko Kk Method for producing tetrafluorosilane
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
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
SG174814A1 (en) * 2007-09-21 2011-10-28 Memc Electronic Materials Processes for purification of silicon tetrafluoride
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
WO2025165728A1 (en) * 2024-01-30 2025-08-07 Arkema Inc. An improved method to produce silicon tetrafluoride from fluorosilicic acid

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
EP0254349B1 (en) 1992-05-13
JPS6340714A (ja) 1988-02-22
EP0254349A2 (en) 1988-01-27
GR3004735T3 (it) 1993-04-28
IT8621226A1 (it) 1988-01-23
EP0254349A3 (en) 1988-08-31
ES2032811T3 (es) 1993-03-01
DE3778993D1 (de) 1992-06-17
ATE76040T1 (de) 1992-05-15
US4900530A (en) 1990-02-13
IT8621226A0 (it) 1986-07-23

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Effective date: 19930714