BR9505912A - Método e aparelho para a recuperação de compostos de flúor - Google Patents

Método e aparelho para a recuperação de compostos de flúor

Info

Publication number
BR9505912A
BR9505912A BR9505912A BR9505912A BR9505912A BR 9505912 A BR9505912 A BR 9505912A BR 9505912 A BR9505912 A BR 9505912A BR 9505912 A BR9505912 A BR 9505912A BR 9505912 A BR9505912 A BR 9505912A
Authority
BR
Brazil
Prior art keywords
recovery
fluorine compounds
fluorine
compounds
Prior art date
Application number
BR9505912A
Other languages
English (en)
Inventor
Yijian Jin
Theodore Fringelin Fisher
Original Assignee
Praxair Technology 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 Praxair Technology Inc filed Critical Praxair Technology Inc
Publication of BR9505912A publication Critical patent/BR9505912A/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/08—Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/45—Compounds containing sulfur and halogen, with or without oxygen
    • C01B17/4507—Compounds containing sulfur and halogen, with or without oxygen containing sulfur and halogen only
    • C01B17/4515—Compounds containing sulfur and halogen, with or without oxygen containing sulfur and halogen only containing sulfur and fluorine only
    • C01B17/453—Sulfur hexafluoride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/083—Compounds containing nitrogen and non-metals and optionally metals containing one or more halogen atoms
    • C01B21/0832—Binary compounds of nitrogen with halogens
    • C01B21/0835—Nitrogen trifluoride

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Gas Separation By Absorption (AREA)
  • Treating Waste Gases (AREA)
BR9505912A 1995-02-16 1995-12-15 Método e aparelho para a recuperação de compostos de flúor BR9505912A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/389,602 US5502969A (en) 1995-02-16 1995-02-16 Cryogenic rectification system for fluorine compound recovery

Publications (1)

Publication Number Publication Date
BR9505912A true BR9505912A (pt) 1997-12-23

Family

ID=23538937

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9505912A BR9505912A (pt) 1995-02-16 1995-12-15 Método e aparelho para a recuperação de compostos de flúor

Country Status (10)

Country Link
US (1) US5502969A (pt)
EP (1) EP0727629A3 (pt)
JP (1) JP3238317B2 (pt)
KR (1) KR100239822B1 (pt)
CN (1) CN1144321A (pt)
BR (1) BR9505912A (pt)
CA (1) CA2165366C (pt)
IL (1) IL116396A (pt)
MY (1) MY113105A (pt)
TW (1) TW332305B (pt)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6030591A (en) * 1994-04-06 2000-02-29 Atmi Ecosys Corporation Process for removing and recovering halocarbons from effluent process streams
US5858065A (en) * 1995-07-17 1999-01-12 American Air Liquide Process and system for separation and recovery of perfluorocompound gases
JP3532345B2 (ja) * 1996-05-14 2004-05-31 日本エア・リキード株式会社 超高純度三弗化窒素製造方法及びその装置
US5638698A (en) * 1996-08-22 1997-06-17 Praxair Technology, Inc. Cryogenic system for producing nitrogen
US5730779A (en) * 1996-10-31 1998-03-24 Air Products And Chemicals, Inc. Fluorochemical recovery and recycle using membranes
US5779863A (en) * 1997-01-16 1998-07-14 Air Liquide America Corporation Perfluorocompound separation and purification method and system
US5771713A (en) * 1997-08-20 1998-06-30 Praxair Technology, Inc. Cryogenic rectification system for recovery of fluorine compounds
JP3979714B2 (ja) * 1997-12-22 2007-09-19 日本エア・リキード株式会社 フッ素化合物の分離精製方法及びその設備
US5976222A (en) * 1998-03-23 1999-11-02 Air Products And Chemicals, Inc. Recovery of perfluorinated compounds from the exhaust of semiconductor fabs using membrane and adsorption in series
US6032484A (en) * 1998-03-23 2000-03-07 Air Products And Chemicals, Inc. Recovery of perfluorinated compounds from the exhaust of semiconductor fabs with recycle of vacuum pump diluent
US6164088A (en) * 1998-07-27 2000-12-26 Mitsubishi Denki Kaishushiki Kaisha Method for recovering condensable gas from mixed gas and condensable gas recovering apparatus
US6257018B1 (en) 1999-06-28 2001-07-10 Praxair Technology, Inc. PFC recovery using condensation
JP4357046B2 (ja) * 1999-10-01 2009-11-04 株式会社東芝 ガス回収装置
US6457327B1 (en) 2000-05-08 2002-10-01 Air Products And Chemicals, Inc. Process for concentrating fluorine compounds
US6276168B1 (en) 2000-05-08 2001-08-21 Air Products And Chemicals, Inc. Purification of nitrogen trifluoride by continuous cryogenic distillation
JP2002147948A (ja) * 2000-11-10 2002-05-22 Japan Organo Co Ltd ガス分離装置及びガス分離方法
US6837250B2 (en) * 2002-02-27 2005-01-04 Air Products And Chemicals, Inc. CVD chamber cleaning using mixed PFCs from capture/recycle
US6843830B2 (en) * 2003-04-15 2005-01-18 Advanced Technology Materials, Inc. Abatement system targeting a by-pass effluent stream of a semiconductor process tool
CN101628184B (zh) * 2009-03-18 2013-08-14 伍运洪 一种常压低温蒸馏、精馏工艺
CN102417436A (zh) * 2011-12-16 2012-04-18 天津市泰亨气体有限公司 采用低温间歇精馏工艺制备高纯三氟甲烷的方法
CN103951543B (zh) * 2014-04-18 2016-04-20 广东华特气体股份有限公司 一种三氟甲烷纯化装置及纯化方法
CN116443826A (zh) * 2023-04-27 2023-07-18 南大光电(淄博)有限公司 一种连续吸收解析分离杂质四氟化碳制备高纯三氟化氮的系统

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4948287B1 (pt) * 1970-11-26 1974-12-20
US3998180A (en) * 1975-04-07 1976-12-21 Union Carbide Corporation Vapor deposition apparatus including fluid transfer means
US4038332A (en) * 1975-10-09 1977-07-26 Phillips Petroleum Company Separation of ethyl fluoride
AU520049B2 (en) * 1976-08-16 1982-01-14 University Of Sydney, The Cryogenic pumping system
US4299606A (en) * 1976-12-30 1981-11-10 Hooker Chemicals & Plastics Corp. Recovery of HF and HCl from gaseous mixtures thereof
US4162272A (en) * 1978-01-10 1979-07-24 Phillips Petroleum Company Safer production of dry liquid propane substantially free from HF and organic fluoride
US4380532A (en) * 1981-07-01 1983-04-19 Mazurin Igor M Process for fine purification of sulphur hexafluoride from impurities
US4484954A (en) * 1982-08-03 1984-11-27 Union Carbide Corporation Halogenation treatment
JPH0755807B2 (ja) * 1987-11-04 1995-06-14 三井東圧化学株式会社 三弗化窒素の製造方法
DE4033145A1 (de) * 1989-05-17 1992-04-23 Fritz Curtius Verfahren zur kondensation von daempfen aus technischen prozessen
US4932984A (en) * 1989-07-27 1990-06-12 The Dow Chemical Company Process for reduction of chlorinated solvent emissions
DE4138321C2 (de) * 1991-11-21 1995-05-18 Herco Kuehltechnik Hermanns Un Verfahren und Anlage zur Rückgewinnung eines Sterilisiergases
US5367881A (en) * 1993-09-28 1994-11-29 Liquid Carbonic Corporation Cryogenic control of emission of solvent vapors from mixers

Also Published As

Publication number Publication date
CA2165366A1 (en) 1996-08-17
IL116396A (en) 1999-03-12
JPH08240382A (ja) 1996-09-17
CA2165366C (en) 1998-12-29
US5502969A (en) 1996-04-02
EP0727629A2 (en) 1996-08-21
IL116396A0 (en) 1996-03-31
TW332305B (en) 1998-05-21
CN1144321A (zh) 1997-03-05
MY113105A (en) 2001-11-30
EP0727629A3 (en) 1997-09-17
KR960031946A (ko) 1996-09-17
KR100239822B1 (ko) 2000-01-15
JP3238317B2 (ja) 2001-12-10

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law