FR1381844A - Procédé de distillation des fluorocarbures - Google Patents

Procédé de distillation des fluorocarbures

Info

Publication number
FR1381844A
FR1381844A FR962672A FR962672A FR1381844A FR 1381844 A FR1381844 A FR 1381844A FR 962672 A FR962672 A FR 962672A FR 962672 A FR962672 A FR 962672A FR 1381844 A FR1381844 A FR 1381844A
Authority
FR
France
Prior art keywords
fluorocarbon
distillation process
distillation
fluorocarbon distillation
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR962672A
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR1381844A publication Critical patent/FR1381844A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
    • C07C17/386—Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/918—Halocarbon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR962672A 1963-02-06 1964-02-05 Procédé de distillation des fluorocarbures Expired FR1381844A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US256520A US3282801A (en) 1963-02-06 1963-02-06 Extractive distillation of tetrafluoroethylene with an oxygenated hydrocarbon

Publications (1)

Publication Number Publication Date
FR1381844A true FR1381844A (fr) 1964-12-14

Family

ID=22972533

Family Applications (1)

Application Number Title Priority Date Filing Date
FR962672A Expired FR1381844A (fr) 1963-02-06 1964-02-05 Procédé de distillation des fluorocarbures

Country Status (6)

Country Link
US (1) US3282801A (da)
BE (1) BE643472A (da)
DE (1) DE1295543B (da)
FR (1) FR1381844A (da)
GB (1) GB1034894A (da)
NL (2) NL6400982A (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362806A1 (fr) * 1976-08-27 1978-03-24 Hoechst Ag Procede de separation de tetrafluorethylene melange a de l'azote et du monoxyde de carbone

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1251300B (de) * 1964-12-29 1967-10-05 E I du Pont de Nemours and Company Wilmington Del (V St A) Verfahren zur Reinigung von Hexa fluorpropylenepoxyd unter Abtrennung von Hexafluorpropylen
CH459991A (de) * 1964-12-30 1968-07-31 Ciba Geigy Verfahren zur Trennung von Gemischen von cycloaliphatischen Fluorverbindungen
BE786675A (fr) * 1971-08-02 1973-01-25 Airco Inc Separation d'oxydes d'alkyle halogenes par distillation azeotropique.
US3989601A (en) * 1975-09-08 1976-11-02 The Dow Chemical Company Purification of 1,1,1-trichloroethane by extractive distillation
US4134796A (en) * 1977-11-17 1979-01-16 Asahi Glass Company Ltd. Method of purifying hexafluoropropylene oxide
FR2409973A1 (fr) * 1977-11-28 1979-06-22 Asahi Glass Co Ltd Procede de purification de l'oxyde d'hexafluoropropylene
DE3729106A1 (de) * 1987-09-01 1989-03-09 Hoechst Ag Verfahren zur gewinnung von reinem tetrafluorethylen
US5049241A (en) * 1990-03-27 1991-09-17 E. I. Du Pont De Nemours And Company Extractive distillation
AU684757B2 (en) * 1993-05-25 1998-01-08 Showa Denko Kabushiki Kaisha Purification process of pentafluoroethane
US5919340A (en) * 1994-08-17 1999-07-06 Daikin Industries Ltd. Process for recovering pentafluoroethane
WO1996023752A1 (en) * 1995-02-01 1996-08-08 E.I. Du Pont De Nemours And Company SEPARATING AND REMOVING IMPURITIES FROM 1,1,1-TRIFLUOROETHANE (HFC-143a) BY USING EXTRACTIVE DISTILLATION
US5626023A (en) * 1995-02-16 1997-05-06 Praxair Technology, Inc. Cryogenic rectification system for fluorine compound recovery using additive liquid
US6047560A (en) * 1997-03-12 2000-04-11 Showa Denko K.K. Process for separating pentafluoroethane and 1,1,1-trifluoroethane

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2604439A (en) * 1952-07-22 Distillation of
US2339160A (en) * 1940-08-02 1944-01-11 Shell Dev Distillation process
US2473911A (en) * 1943-07-19 1949-06-21 Ici Ltd Production of fluorocarbons
US2357028A (en) * 1943-08-04 1944-08-29 Shell Dev Solvent extraction process
US2456184A (en) * 1946-04-17 1948-12-14 Du Pont Purification of tetrachlorethylene
NL264123A (da) * 1960-04-28
FR1293690A (fr) * 1960-04-28 1962-05-18 Du Pont Procédé de distillation extractive de carbures fluorés
US3152051A (en) * 1962-03-12 1964-10-06 Pennsalt Chemicals Corp Separation of a mixture containing tetrafluoroethylene and fluoroform by extractive distillation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362806A1 (fr) * 1976-08-27 1978-03-24 Hoechst Ag Procede de separation de tetrafluorethylene melange a de l'azote et du monoxyde de carbone

Also Published As

Publication number Publication date
NL6400982A (da) 1964-08-07
GB1034894A (en) 1966-07-06
NL131714C (da)
US3282801A (en) 1966-11-01
DE1295543B (de) 1969-05-22
BE643472A (da) 1964-08-06

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