ZA907928B - Fluorocarbon purification process - Google Patents

Fluorocarbon purification process

Info

Publication number
ZA907928B
ZA907928B ZA907928A ZA907928A ZA907928B ZA 907928 B ZA907928 B ZA 907928B ZA 907928 A ZA907928 A ZA 907928A ZA 907928 A ZA907928 A ZA 907928A ZA 907928 B ZA907928 B ZA 907928B
Authority
ZA
South Africa
Prior art keywords
fluorocarbon
purification process
purification
fluorocarbon purification
Prior art date
Application number
ZA907928A
Other languages
English (en)
Inventor
Leo Ernest Manzer
Ernest Manzer Leo
Velliyur Nott Mallikarjuna Rao
Nott Mallikarjuna Rao Velliyur
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of ZA907928B publication Critical patent/ZA907928B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/35—Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ZA907928A 1989-10-04 1990-10-04 Fluorocarbon purification process ZA907928B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41765089A 1989-10-04 1989-10-04

Publications (1)

Publication Number Publication Date
ZA907928B true ZA907928B (en) 1992-06-24

Family

ID=23654860

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA907928A ZA907928B (en) 1989-10-04 1990-10-04 Fluorocarbon purification process

Country Status (11)

Country Link
US (2) US5461177A (xx)
EP (1) EP0494994B1 (xx)
JP (1) JPH05500672A (xx)
CN (1) CN1023002C (xx)
AU (1) AU6647690A (xx)
CA (1) CA2026825A1 (xx)
DE (1) DE69031344D1 (xx)
GR (1) GR1000802B (xx)
MX (1) MX172651B (xx)
WO (1) WO1991004955A1 (xx)
ZA (1) ZA907928B (xx)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2651775B1 (fr) * 1989-09-12 1993-02-19 Atochem Purification du dichloro-1,1 fluoro-1 ethane.
US5401430A (en) * 1991-04-15 1995-03-28 Daikin Industries, Ltd. Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-chloroethane
EP0665203B1 (en) * 1991-04-15 1996-09-11 Daikin Industries, Ltd. Process for purification of 1,1,1-trifluoro-2-chloroethane
US5276225A (en) * 1991-04-17 1994-01-04 Elf Atochem S.A. Process for separating hydrogen fluoride from its mixtures with 1,1,1-trifluoro-2-chloroethane
US6676809B1 (en) 1992-02-07 2004-01-13 Daikin Industries Ltd. Process for removal of hydrogen fluoride
KR100295306B1 (ko) 1992-04-13 2001-09-17 이노우에 노리유끼 플루오르화수소의제거방법
TW222617B (xx) * 1992-08-20 1994-04-21 Showa Denko Kk
GB9407257D0 (en) 1993-04-22 1994-06-08 Ici Plc Vaporisation of liquids
US5723429A (en) * 1994-03-11 1998-03-03 E. I. Du Pont De Nemours And Company Azeotropic or azeotrope-like compositions of tetrafluoroethane and chlorotetrafluoroethane
EP0876314B1 (en) 1995-08-01 2003-02-26 E.I. Du Pont De Nemours And Company Process for the manufacture of halocarbons and selected compounds and azeotropes with hf
US6755942B1 (en) * 1995-08-01 2004-06-29 E. I. Du Pont De Nemours And Company Process for the manufacture of halocarbons and selected compounds and azeotropes with HF
US5616819A (en) * 1995-08-28 1997-04-01 Laroche Industries Inc. Process for preparing fluorinated aliphatic compounds
JP2933014B2 (ja) * 1996-01-23 1999-08-09 ダイキン工業株式会社 ペンタフルオロプロパンとフッ化水素の共沸混合物およびペンタフルオロプロパンの分離精製方法
WO1998000379A1 (en) * 1996-07-03 1998-01-08 Alliedsignal Inc. Water extraction of hydrogen fluoride from a halocarbon/hydrogen fluoride azeotropic mixture
US6001796A (en) * 1996-07-03 1999-12-14 Alliedsignal Inc. Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and hydrogen fluoride
US6376727B1 (en) 1997-06-16 2002-04-23 E. I. Du Pont De Nemours And Company Processes for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof
US6107267A (en) * 1997-08-25 2000-08-22 E. I. Du Pont De Nemours And Company Compositions comprising CF3 CF2 CHF2 and their manufacture
US6224781B1 (en) * 1997-08-25 2001-05-01 E. I. Du Pont De Nemours And Company Compositions comprising hydrofluorocarbons and their manufacture
US6028026A (en) * 1997-08-25 2000-02-22 E. I. Du Pont De Nemours And Company Cubic chromium trifluoride and its use for halogenated hydrocarbon processing
US6031141A (en) * 1997-08-25 2000-02-29 E. I. Du Pont De Nemours And Company Fluoroolefin manufacturing process
US6100229A (en) * 1998-01-12 2000-08-08 Alliedsignal Inc. Compositions of 1,1,1,3,3,-pentafluoropropane and chlorinated ethylenes
US6521803B1 (en) * 1998-12-18 2003-02-18 Solvay (Societe Anonyme) Method for separating a mixture comprising at least an hydrofluoroalkane and hydrogen fluoride, methods for preparing a hydrofluoroalkane and azeotropic compositions
US6333440B1 (en) 2000-04-07 2001-12-25 E. I. Du Pont De Nemours And Company Process for perfluorocyclobutane purification
EP2093187A1 (en) 2001-06-01 2009-08-26 Honeywell International Inc. Process for the Removal of 1,1,1,3,3-Pentafluorobutane
US8741828B2 (en) 2011-02-23 2014-06-03 Honeywell International Inc. Azeotrope and azeotrope-like compositions useful for the production of haloolefins
CN103508841A (zh) * 2012-06-15 2014-01-15 中化蓝天集团有限公司 1,1-二氟-1,2-二氯乙烷的制备方法
CN114713294A (zh) * 2021-01-06 2022-07-08 中昊晨光化工研究院有限公司 一种废五氯化锑催化剂的处理系统及处理方法
CN114995131B (zh) * 2022-05-25 2023-02-03 福建德尔科技股份有限公司 用于电子级三氟甲烷制备的精馏控制系统及其控制方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE160718C (xx) *
US3218363A (en) * 1956-08-15 1965-11-16 Pennsalt Chemicals Corp Purification of perfluorochlorocarbons
US3258500A (en) * 1959-08-17 1966-06-28 Du Pont Process for fluorinating halohydro-carbons
US3004075A (en) * 1959-09-17 1961-10-10 Du Pont Purification of fluorocarbons
US2999885A (en) * 1959-09-17 1961-09-12 Du Pont Purification of fluorocarbons
DE1219460B (de) * 1963-11-07 1966-06-23 Hoechst Ag Verfahren zur Reinigung von 2, 2, 2-Trifluor-1-chlor-1-bromaethan, welches als Verunreinigung 1, 1, 1, 4, 4, 4-Hexafluor-2, 3-dichlorbuten-2 enthaelt
US3381041A (en) * 1964-03-17 1968-04-30 Daikin Ind Ltd Purification of fluorinated compounds
US3696156A (en) * 1970-04-03 1972-10-03 Du Pont Process for purification of fluoroperhalocarbons
US3976447A (en) * 1973-04-26 1976-08-24 Pennwalt Corporation Removal of hydrogen fluoride from gaseous mixture by absorption on alkaline earth metal fluoride
US3947558A (en) * 1973-08-16 1976-03-30 Dow Chemical (Nederland) B.V. Method of recovering HF from mixtures containing C1 -C3 halocarbon compounds
US3873629A (en) * 1974-01-23 1975-03-25 Du Pont Separation of chlorodifluoromethane and hydrogen
US4258225A (en) * 1977-08-15 1981-03-24 E. I. Du Pont De Nemours And Company TaF5 and NbF5 as fluorination catalysts
US4158675A (en) * 1977-09-23 1979-06-19 Imperial Chemical Industries Limited Manufacture of halogenated compounds
FR2414475A1 (fr) * 1978-01-13 1979-08-10 Solvay Procede pour la separation du fluorure d'hydrogene de ses melanges avec le 1-chloro-1, 1-difluorethane
US4129603A (en) * 1978-02-07 1978-12-12 Imperial Chemical Industries Limited Manufacture of halogenated compounds
US4374289A (en) * 1980-10-01 1983-02-15 Allied Corporation Production of monofluorotrichloroethane
US4792643A (en) * 1987-06-16 1988-12-20 Kaiser Aluminum & Chemical Corporation Catalyst and process for 1,1,1,2-tetrafluoroethane by vapor phase reaction
US4766260A (en) * 1987-07-07 1988-08-23 E. I. Du Pont De Nemours And Company Gas-phase fluorination process
US5444171A (en) 1992-10-14 1995-08-22 Showa Denko Kabushiki Kaisha Method for purification of 1,1,1,2-tetrafluoroethane

Also Published As

Publication number Publication date
CN1023002C (zh) 1993-12-08
GR900100729A (en) 1992-03-20
US5461177A (en) 1995-10-24
MX172651B (es) 1994-01-05
WO1991004955A1 (en) 1991-04-18
CN1051349A (zh) 1991-05-15
CA2026825A1 (en) 1991-04-05
EP0494994B1 (en) 1997-08-27
AU6647690A (en) 1991-04-28
GR1000802B (el) 1993-01-25
DE69031344D1 (de) 1997-10-02
JPH05500672A (ja) 1993-02-12
EP0494994A1 (en) 1992-07-22
US6281396B1 (en) 2001-08-28

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