ES2150035T3 - Procedimiento para la preparacion de pentafluoroetano (r 125). - Google Patents

Procedimiento para la preparacion de pentafluoroetano (r 125).

Info

Publication number
ES2150035T3
ES2150035T3 ES96103774T ES96103774T ES2150035T3 ES 2150035 T3 ES2150035 T3 ES 2150035T3 ES 96103774 T ES96103774 T ES 96103774T ES 96103774 T ES96103774 T ES 96103774T ES 2150035 T3 ES2150035 T3 ES 2150035T3
Authority
ES
Spain
Prior art keywords
chromium
pentafluoroethane
dried
dough
calculated
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 - Lifetime
Application number
ES96103774T
Other languages
English (en)
Inventor
Hans Matthias Dr Deger
Werner Dr Krause
Dieter Dr Schmid
Martin Dr Hoeveler
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.)
Solvay SA
Original Assignee
Solvay 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 Solvay SA filed Critical Solvay SA
Application granted granted Critical
Publication of ES2150035T3 publication Critical patent/ES2150035T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/22—Halogenating
    • B01J37/26—Fluorinating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/21—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms with simultaneous increase of the number of halogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

LA INVENCION TRATA DE UN PROCEDIMIENTO PARA LA OBTENCION DE PENTAFLUOROETANO (R 125) HACIENDO REACCIONAR PERCLOROETILENO CON ACIDO FLUORHIDRICO EN LA FASE GASEOSA EN UN CATALIZADOR QUE CONTIENE CROMO, UTILIZANDO UN CATALIZADOR CON CROMO Y MAGNESIO, EL CUAL SE OBTIENE HACIENDO REACCIONAR UNA SAL DE CROMO(III) SOLUBLE EN AGUA CON HIDROXIDO MAGNESICO U OXIDO DE MAGNESIO Y OPCIONALMENTE GRAFITO EN PRESENCIA DE AGUA, LA MEZCLA REACTIVA SE TRANSFORMA EN UNA PASTA, QUE SE DEJA SECAR Y SE TRATA A UNAS TEMPERATURAS ENTRE 20 Y 500 C CON ACIDO FLUORHIDRICO, UTILIZANDO TALES CANTIDADES EN SALES DE CROMO (III) Y MAGNESIO Y OPCIONALMENTE GRAFITO, QUE LA PASTA SECA ANTES DEL TRATAMIENTO CON ACIDO FLUORHIDRICO CONTIENE DE 4,5 A 26 % EN PESO DE CR, EXPRESADO COMO CR{SUB,2}O{SUB,3}, Y AL MENOS 25 % EN PESO DE MG, EXPRESADO COMO MGO, Y OPCIONALMENTE GRAFITO.
ES96103774T 1995-03-20 1996-03-11 Procedimiento para la preparacion de pentafluoroetano (r 125). Expired - Lifetime ES2150035T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19510024A DE19510024C2 (de) 1995-03-20 1995-03-20 Verfahren zur Herstellung von Pentafluorethan (R 125)

Publications (1)

Publication Number Publication Date
ES2150035T3 true ES2150035T3 (es) 2000-11-16

Family

ID=7757143

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96103774T Expired - Lifetime ES2150035T3 (es) 1995-03-20 1996-03-11 Procedimiento para la preparacion de pentafluoroetano (r 125).

Country Status (6)

Country Link
US (1) US5763701A (es)
EP (1) EP0733611B1 (es)
JP (1) JPH08268933A (es)
AT (1) ATE194824T1 (es)
DE (2) DE19510024C2 (es)
ES (1) ES2150035T3 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2757085B1 (fr) * 1996-12-13 1999-01-22 Atochem Elf Sa Catalyseurs massiques a base de chrome et de nickel pour la fluoration en phase gazeuse d'hydrocarbures halogenes
JP3520900B2 (ja) * 1997-12-12 2004-04-19 ダイキン工業株式会社 ペンタフルオロエタンの製造方法、並びにフッ素化用触媒及びその製造方法
EP1054619B1 (en) * 1998-02-11 2007-11-21 Non-Invasive Technology, Inc. Imaging and characterization of brain tissue
AUPQ001599A0 (en) 1999-04-28 1999-05-20 Cast Centre Pty Ltd Gaseous compositions
US6780815B2 (en) * 2001-06-28 2004-08-24 Honeywell International Inc. Process for preparing fluorination catalyst
FR2852007B1 (fr) * 2003-03-07 2007-05-11 Solvay Procede de fabrication de 1,1,1-trifluoroethane
KR100680766B1 (ko) * 2005-09-23 2007-02-09 울산화학주식회사 펜타플루오로에탄 제조용 촉매의 제조방법
CN113648986A (zh) * 2021-08-13 2021-11-16 成都中科普瑞净化设备有限公司 乙炔氢氯化制氯乙烯催化剂的制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258500A (en) * 1959-08-17 1966-06-28 Du Pont Process for fluorinating halohydro-carbons
GB901297A (en) * 1960-04-12 1962-07-18 Union Carbide Corp Process for the production of pentafluoroethane
GB1307224A (en) * 1969-06-27 1973-02-14 Ici Ltd Chromium oxide catalyst
DE3323374A1 (de) * 1983-06-29 1985-01-10 Hoechst Ag, 6230 Frankfurt Katalysatoren fuer fluorierungs- und/oder dismutierungsreaktionen von halogenkohlenwasserstoffen und verfahren zu ihrer herstellung
JP2764980B2 (ja) * 1988-12-28 1998-06-11 旭硝子株式会社 パークロロエチレンのフッ素化方法
DE3923256A1 (de) * 1989-07-14 1991-01-24 Hoechst Ag Verfahren zur herstellung von 1,1,1-trifluor-2-chlorethan
DE3930507A1 (de) * 1989-09-13 1991-03-21 Hoechst Ag Verfahren zur herstellung von 1,1,1,2-tetrafluorethan
ATE128703T1 (de) * 1991-05-17 1995-10-15 Hoechst Ag Verfahren zur herstellung von pentafluorethan (r 125).
FR2700766B1 (fr) * 1993-01-27 1995-03-24 Atochem Elf Sa Procédé de fluoration de perchloréthylène ou du pentachloréthane.

Also Published As

Publication number Publication date
EP0733611A1 (de) 1996-09-25
DE59605616D1 (de) 2000-08-24
DE19510024A1 (de) 1996-10-02
ATE194824T1 (de) 2000-08-15
DE19510024C2 (de) 1997-02-06
JPH08268933A (ja) 1996-10-15
US5763701A (en) 1998-06-09
EP0733611B1 (de) 2000-07-19

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