GR1000802B - Μεθοδος καθαρισμου φθοριωμενων υδρογονοανθρακων. - Google Patents

Μεθοδος καθαρισμου φθοριωμενων υδρογονοανθρακων.

Info

Publication number
GR1000802B
GR1000802B GR900100729A GR900100729A GR1000802B GR 1000802 B GR1000802 B GR 1000802B GR 900100729 A GR900100729 A GR 900100729A GR 900100729 A GR900100729 A GR 900100729A GR 1000802 B GR1000802 B GR 1000802B
Authority
GR
Greece
Prior art keywords
fluorocarbon
purification process
halogenated hydrocarbon
hydrogen fluoride
excess hydrogen
Prior art date
Application number
GR900100729A
Other languages
English (en)
Other versions
GR900100729A (en
Inventor
Lee Ernest Manzer
Mallikarjuna Velliyur Nott Rao
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 GR900100729A publication Critical patent/GR900100729A/el
Publication of GR1000802B publication Critical patent/GR1000802B/el

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)
  • Glass Melting And Manufacturing (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

Ενα προϊόν αλογονωμένου υδρογονάνθρακος το οποίον παρασκευάζεται από την αντίδραση της περισσείας του υδροφθορίου με ένα αλογονωμένο υδρογονάνθρακα, που περιέχει, περίσσεια υδροφθορίου σαν ένα αζεότροπο καθαρίζεται δια φθοριώσεως παρουσία επιπλέον αλογονωμένου υδρογονάνθρακος ή αλογονωμένης ολεφίνης. ω
GR900100729A 1989-10-04 1990-10-03 Μεθοδος καθαρισμου φθοριωμενων υδρογονοανθρακων. GR1000802B (el)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GR900100729A GR900100729A (en) 1992-03-20
GR1000802B true GR1000802B (el) 1993-01-25

Family

ID=23654860

Family Applications (1)

Application Number Title Priority Date Filing Date
GR900100729A GR1000802B (el) 1989-10-04 1990-10-03 Μεθοδος καθαρισμου φθοριωμενων υδρογονοανθρακων.

Country Status (11)

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

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
DE69213771T2 (de) * 1991-04-15 1997-02-20 Daikin Ind Ltd Verfahren zur Reinigung von 1,1,1-Trifluoro-2-Chlorethan
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
ES2118949T3 (es) 1992-04-13 1998-10-01 Daikin Ind Ltd Procedimiento de extraccion de fluoruro de hidrogeno.
TW222617B (el) * 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
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
WO1997005089A1 (en) 1995-08-01 1997-02-13 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
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
US6107267A (en) * 1997-08-25 2000-08-22 E. I. Du Pont De Nemours And Company Compositions comprising CF3 CF2 CHF2 and their manufacture
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
CN101270029A (zh) 2001-06-01 2008-09-24 霍尼韦尔国际公司 1,1,1,3,3-五氟丁烷与氟化氢的类共沸组合物的应用
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
CN114713294B (zh) * 2021-01-06 2025-01-07 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 (el) *
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
US2999885A (en) * 1959-09-17 1961-09-12 Du Pont Purification of fluorocarbons
US3004075A (en) * 1959-09-17 1961-10-10 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
CN1051349A (zh) 1991-05-15
ZA907928B (en) 1992-06-24
EP0494994A1 (en) 1992-07-22
GR900100729A (en) 1992-03-20
DE69031344D1 (de) 1997-10-02
MX172651B (es) 1994-01-05
EP0494994B1 (en) 1997-08-27
WO1991004955A1 (en) 1991-04-18
CA2026825A1 (en) 1991-04-05
US5461177A (en) 1995-10-24
JPH05500672A (ja) 1993-02-12
US6281396B1 (en) 2001-08-28
AU6647690A (en) 1991-04-28

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