FR2680785A1 - Procede pour separer au moins partiellement un melange de 1,1,1,3,3-pentafluorobutane et de 1,1-dichloro-1-fluorethane. - Google Patents

Procede pour separer au moins partiellement un melange de 1,1,1,3,3-pentafluorobutane et de 1,1-dichloro-1-fluorethane. Download PDF

Info

Publication number
FR2680785A1
FR2680785A1 FR9200471A FR9200471A FR2680785A1 FR 2680785 A1 FR2680785 A1 FR 2680785A1 FR 9200471 A FR9200471 A FR 9200471A FR 9200471 A FR9200471 A FR 9200471A FR 2680785 A1 FR2680785 A1 FR 2680785A1
Authority
FR
France
Prior art keywords
mixture
methanol
solvent
liquid
column
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.)
Granted
Application number
FR9200471A
Other languages
English (en)
French (fr)
Other versions
FR2680785B1 (US20090192370A1-20090730-C00001.png
Inventor
Bolmer Michael Sheppard
Elsheikh Maher Yousef
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 Inc
Original Assignee
Atochem North America 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 Atochem North America Inc filed Critical Atochem North America Inc
Publication of FR2680785A1 publication Critical patent/FR2680785A1/fr
Application granted granted Critical
Publication of FR2680785B1 publication Critical patent/FR2680785B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/38Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR9200471A 1991-08-28 1992-01-17 Procede pour separer au moins partiellement un melange de 1,1,1,3,3-pentafluorobutane et de 1,1-dichloro-1-fluorethane. Granted FR2680785A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/751,014 US5099081A (en) 1991-08-28 1991-08-28 Solvent extraction of I-365 from I-141b

Publications (2)

Publication Number Publication Date
FR2680785A1 true FR2680785A1 (fr) 1993-03-05
FR2680785B1 FR2680785B1 (US20090192370A1-20090730-C00001.png) 1994-08-19

Family

ID=25020108

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9200471A Granted FR2680785A1 (fr) 1991-08-28 1992-01-17 Procede pour separer au moins partiellement un melange de 1,1,1,3,3-pentafluorobutane et de 1,1-dichloro-1-fluorethane.

Country Status (5)

Country Link
US (1) US5099081A (US20090192370A1-20090730-C00001.png)
JP (1) JPH0597727A (US20090192370A1-20090730-C00001.png)
CA (1) CA2059203A1 (US20090192370A1-20090730-C00001.png)
DE (1) DE4201030A1 (US20090192370A1-20090730-C00001.png)
FR (1) FR2680785A1 (US20090192370A1-20090730-C00001.png)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676067B1 (fr) * 1991-05-02 1993-07-23 Atochem Composition a base de 1,1,1,3,3-pentafluorobutane et de methanol, pour le nettoyage et/ou le sechage de surfaces solides.
FR2676066B1 (fr) * 1991-05-02 1993-07-23 Atochem Composition a base de 1,1-dichloro-1-fluoroethane, de 1,1,1,3,3-pentafluorobutane et de methanol, pour le nettoyage et/ou le sechage de surfaces solides.
US6355113B1 (en) 1991-12-02 2002-03-12 3M Innovative Properties Company Multiple solvent cleaning system
US5208398A (en) * 1992-04-16 1993-05-04 Elf Atochem N.A., Inc. HF extraction of R365 from R141B
FR2694943B1 (fr) * 1992-08-21 1994-10-14 Atochem Elf Sa Composition à base de 1,1,1,3,3-pentafluorobutane, de chlorure de méthylène et de méthanol, pour le nettoyage et/ou le séchage de surfaces solides.
FR2694942B1 (fr) * 1992-08-21 1994-10-14 Atochem Elf Sa Composition à base de 1,1,1,3,3-pentafluorobutane et de chlorure de méthylène, pour le nettoyage et/ou le séchage de surfaces solides.
BE1007699A3 (fr) * 1993-11-04 1995-10-03 Solvay Compositions comprenant du pentafluorobutane et utilisation de ces compositions.
US6518467B2 (en) 2000-12-29 2003-02-11 Honeywell International Inc. Method of making hydrofluorocarbons and hydrochlorofluorocarbons
CN1254528C (zh) * 2001-02-14 2006-05-03 株式会社金子化学 洗涤用溶剂组合物
US6365566B1 (en) * 2001-03-21 2002-04-02 Honeywell International Inc. Azeotrope-like compositions of pentafluorobutane and water

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840607A (en) * 1971-05-10 1974-10-08 Phillips Petroleum Co Process for separating halogenated hydrocarbons by liquid-liquid extraction
US4031148A (en) * 1973-01-30 1977-06-21 Rhone-Poulenc Industries Method of separating chlorinated aliphatic hydrocarbons from mixtures thereof by liquid-liquid extraction
US4950364A (en) * 1989-05-04 1990-08-21 Pennwalt Corporation Process for the separation of 1,1-dichloro-1-fluoroethane and 1,1,1,3,3-pentafluorobutane

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624166A (en) * 1968-11-01 1971-11-30 Allied Chem Process for the solvent extraction of haloalkanes
US3947558A (en) * 1973-08-16 1976-03-30 Dow Chemical (Nederland) B.V. Method of recovering HF from mixtures containing C1 -C3 halocarbon compounds

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840607A (en) * 1971-05-10 1974-10-08 Phillips Petroleum Co Process for separating halogenated hydrocarbons by liquid-liquid extraction
US4031148A (en) * 1973-01-30 1977-06-21 Rhone-Poulenc Industries Method of separating chlorinated aliphatic hydrocarbons from mixtures thereof by liquid-liquid extraction
US4950364A (en) * 1989-05-04 1990-08-21 Pennwalt Corporation Process for the separation of 1,1-dichloro-1-fluoroethane and 1,1,1,3,3-pentafluorobutane

Also Published As

Publication number Publication date
US5099081A (en) 1992-03-24
JPH0597727A (ja) 1993-04-20
CA2059203A1 (en) 1993-03-01
DE4201030A1 (de) 1993-03-04
FR2680785B1 (US20090192370A1-20090730-C00001.png) 1994-08-19

Similar Documents

Publication Publication Date Title
FR2849447A1 (fr) Procede de separation des aromatiques par distillation extractive et utilisation d'un solvant composite
CA2245155C (fr) Procede de separation de fluorure d'hydrogene de ses melanges avec un hydrofluoroalcane contenant de 3 a 6 atomes de carbone
JPH07196542A (ja) 混合炭化水素からベンゼンを回収する方法
US2381996A (en) Azeotropic distillation
FR2680785A1 (fr) Procede pour separer au moins partiellement un melange de 1,1,1,3,3-pentafluorobutane et de 1,1-dichloro-1-fluorethane.
EP0751110B1 (fr) Procédé de purification d'un flux gazeux contenant de l'acroléine
FR2680784A1 (fr) Procede de separation au moins partielle d'un melange de 1,1,1,3,3-pentafluorobutane et de 1,1-dichloro-1-fluorethane.
US3265592A (en) Ketone recovery by steam and alkali contact
KR100591625B1 (ko) 포름 알데히드 함유 혼합물의 처리
US2154713A (en) Process for extracting ethereal oils
JP3684197B2 (ja) 主成分の酢酸およびギ酸からなる水性混合物を分離および精製するための方法
FR2690154A1 (fr) Procédé pour extraire le 1,1,1,3,3-pentafluorobutane du 1,1-dichloro-1-fluoréthane.
EP0074894A1 (fr) Procédé de purification d'un mélange gazeux contenant des composés gazeux indésirables
EP0017294A1 (fr) Procédé pour l'épuration d'oxydes d'oléfines
US3725255A (en) Process for separating aromatic hydrocarbons from mixtures containingthem by liquid-liquid extraction and azeotropic distillation
EP0121466B1 (fr) Procédé de décomposition d'un complexe d'acide orthobenzoyl-benzoique, de fluorure d'hydrogène et de trifluorure de bore
EP0026533B1 (fr) Procédé pour la récupération d'acides carboxyliques à partir de mélanges contenant des esters de glycols dérivés de ces acides
WO1996024569A1 (fr) Procede de purification du pentafluoroethane
EP0512155A2 (en) Process for separation of mixtures of vinylidene chloride and 1,1-dichloro-1-fluoroethane
US3840607A (en) Process for separating halogenated hydrocarbons by liquid-liquid extraction
EP0686619A1 (fr) Procédé de récupération de l'acide acétique contenu dans un effluent en présence d'impuretés organiques
JPH1143451A (ja) 共沸混合物と分離方法
FR2658834A1 (fr) Procede de separation par absorption destine a l'obtention d'hydrocarbures a bas point d'ebullition.
US5229001A (en) Process for extracting indoles
EP1165475A1 (fr) Procede de separation de fluorure d'hydrogene de ses melanges avec du 1,1,1,3,3-pentafluorobutane et procede de fabrication de 1,1,1,3,3-pentafluorobutane

Legal Events

Date Code Title Description
ST Notification of lapse