FR2759078B1 - Purification du chlorotetrafluoroethane par distillation extractive - Google Patents

Purification du chlorotetrafluoroethane par distillation extractive

Info

Publication number
FR2759078B1
FR2759078B1 FR9701219A FR9701219A FR2759078B1 FR 2759078 B1 FR2759078 B1 FR 2759078B1 FR 9701219 A FR9701219 A FR 9701219A FR 9701219 A FR9701219 A FR 9701219A FR 2759078 B1 FR2759078 B1 FR 2759078B1
Authority
FR
France
Prior art keywords
chlorotetrafluoroethane
purification
extractive distillation
extractive
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 - Fee Related
Application number
FR9701219A
Other languages
English (en)
Other versions
FR2759078A1 (fr
Inventor
Rene Bertocchio
Eric Deslandes
Eric Lacroix
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.)
Arkema France SA
Original Assignee
Elf Atochem SA
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 Elf Atochem SA filed Critical Elf Atochem SA
Priority to FR9701219A priority Critical patent/FR2759078B1/fr
Priority to IT98MI000160A priority patent/IT1298506B1/it
Priority to US09/016,445 priority patent/US5922175A/en
Publication of FR2759078A1 publication Critical patent/FR2759078A1/fr
Application granted granted Critical
Publication of FR2759078B1 publication Critical patent/FR2759078B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR9701219A 1997-02-04 1997-02-04 Purification du chlorotetrafluoroethane par distillation extractive Expired - Fee Related FR2759078B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9701219A FR2759078B1 (fr) 1997-02-04 1997-02-04 Purification du chlorotetrafluoroethane par distillation extractive
IT98MI000160A IT1298506B1 (it) 1997-02-04 1998-01-29 Purificazione di clorotetrafluoroetano per mezzo di distillazione estrattiva
US09/016,445 US5922175A (en) 1997-02-04 1998-01-30 Purification of chlorotetraflouroethane by extractive distillation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9701219A FR2759078B1 (fr) 1997-02-04 1997-02-04 Purification du chlorotetrafluoroethane par distillation extractive

Publications (2)

Publication Number Publication Date
FR2759078A1 FR2759078A1 (fr) 1998-08-07
FR2759078B1 true FR2759078B1 (fr) 1999-03-05

Family

ID=9503289

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9701219A Expired - Fee Related FR2759078B1 (fr) 1997-02-04 1997-02-04 Purification du chlorotetrafluoroethane par distillation extractive

Country Status (3)

Country Link
US (1) US5922175A (fr)
FR (1) FR2759078B1 (fr)
IT (1) IT1298506B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106905107B (zh) * 2017-02-24 2020-02-18 北京宇极科技发展有限公司 一种1,1-二溴-1,2,2,2-四氟乙烷的提纯方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729106A1 (de) * 1987-09-01 1989-03-09 Hoechst Ag Verfahren zur gewinnung von reinem tetrafluorethylen
US4944846A (en) * 1988-08-01 1990-07-31 E. I. Dupont De Nemours And Company Process for the separation of HF via Azeotropic distillation
DE4011820A1 (de) * 1990-04-12 1991-10-17 Hoechst Ag Verfahren zur herstellung von gemischen aus chlortetrafluorethan und octafluorcyclobutan
GB9018372D0 (en) * 1990-08-21 1990-10-03 Ici Plc Separation process
GB9105407D0 (en) * 1991-03-14 1991-05-01 Ici Plc Separation process
JP2937539B2 (ja) * 1991-04-22 1999-08-23 三井・デュポンフロロケミカル株式会社 塩弗化アルカンの精製方法
US5087329A (en) * 1991-05-16 1992-02-11 E. I. Du Pont De Nemours And Company Process for separating pentafluoroethane from a mixture of halogenated hydrocarbons containing chloropentafluoroethane
IT1252659B (it) * 1991-12-23 1995-06-20 Ausimont Spa Procedimento per la depurazione dell'1,1,1-trifluoro-2-fluoroetano e dell'1,1,1-trifluoro-2,2-dicloroetano
US5569797A (en) * 1992-01-07 1996-10-29 E. I. Du Pont De Nemours And Company Method of removing olefinic impurities from hydrochlorofluorocarbons
WO1994027142A1 (fr) * 1993-05-19 1994-11-24 Flueh Gerd Procede et dispositif de reconnaissance de corps etrangers dans des denrees alimentaires visqueuses ou fluides contenant des substances en morceaux
AU7830894A (en) * 1993-10-28 1995-05-22 Mobil Oil Corporation High performance middle distillate fuels
GB9325756D0 (en) * 1993-12-16 1994-02-16 Ici Plc Production of pentafluoroethane
FR2716449B1 (fr) * 1994-02-24 1996-04-05 Atochem Elf Sa Procédé de purification du pentafluoroéthane.
GB9417815D0 (en) * 1994-09-05 1994-10-26 Ici Plc Purification of pentafluoroethane

Also Published As

Publication number Publication date
US5922175A (en) 1999-07-13
IT1298506B1 (it) 2000-01-12
ITMI980160A1 (it) 1999-07-29
FR2759078A1 (fr) 1998-08-07

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Legal Events

Date Code Title Description
ST Notification of lapse