CA942927A - Chromium oxide catalysts - Google Patents

Chromium oxide catalysts

Info

Publication number
CA942927A
CA942927A CA084,931A CA84931A CA942927A CA 942927 A CA942927 A CA 942927A CA 84931 A CA84931 A CA 84931A CA 942927 A CA942927 A CA 942927A
Authority
CA
Canada
Prior art keywords
chromium oxide
oxide catalysts
catalysts
chromium
oxide
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
CA084,931A
Other languages
English (en)
Inventor
Richard A. Firth
George E. Foll
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of CA942927A publication Critical patent/CA942927A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/07—Preparation of halogenated hydrocarbons by addition of hydrogen halides
    • C07C17/087—Preparation of halogenated hydrocarbons by addition of hydrogen halides to unsaturated halogenated hydrocarbons
    • 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
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
CA084,931A 1969-06-27 1970-06-08 Chromium oxide catalysts Expired CA942927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3254369 1969-06-27

Publications (1)

Publication Number Publication Date
CA942927A true CA942927A (en) 1974-03-05

Family

ID=10340217

Family Applications (1)

Application Number Title Priority Date Filing Date
CA084,931A Expired CA942927A (en) 1969-06-27 1970-06-08 Chromium oxide catalysts

Country Status (7)

Country Link
US (1) US3755477A (de)
CA (1) CA942927A (de)
DE (1) DE2032098C3 (de)
FR (1) FR2051409A5 (de)
GB (1) GB1307224A (de)
NL (1) NL169038C (de)
ZA (1) ZA704151B (de)

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978145A (en) * 1974-11-14 1976-08-31 E. I. Du Pont De Nemours And Company Use of hexagonal chromium (111) oxide hydroxide catalyst in fluorination process
JPS5382728A (en) * 1976-12-27 1978-07-21 Daikin Ind Ltd Fluorination of lower alkylbenzene or its dervs.
US4393257A (en) * 1976-12-27 1983-07-12 Daikin Kogyo Co., Ltd. Process for preparing benzotrifluoride and its derivatives
JPS6039048B2 (ja) * 1976-12-27 1985-09-04 ダイキン工業株式会社 ベンゾトリフルオライドまたはその誘導体の製法
AU518050B2 (en) * 1977-02-17 1981-09-10 Imperial Chemical Industries Limited Manufacture of 1,1,1,2-tetrafluoro ethane & method of reducing amount of 1,1,difluord-chldro ethlene impurity
US4129602A (en) * 1977-09-01 1978-12-12 Hooker Chemicals & Plastics Corp. Liquid phase fluorination process
US4130594A (en) * 1977-09-01 1978-12-19 Hooker Chemicals & Plastics Corp. Liquid phase fluorination process
GB2004539B (en) * 1977-09-20 1982-02-10 Ici Ltd Process for the manufacture of halogenated hydrocarbons
US4158675A (en) * 1977-09-23 1979-06-19 Imperial Chemical Industries Limited Manufacture of halogenated compounds
US4129603A (en) * 1978-02-07 1978-12-12 Imperial Chemical Industries Limited Manufacture of halogenated compounds
JPS54130524A (en) * 1978-03-30 1979-10-09 Daikin Ind Ltd Preraration of trifluoromethylbenzene or its derivative
FR2501062A1 (fr) * 1980-12-29 1982-09-10 Ugine Kuhlmann Catalyseurs de fluoruration en phase gazeuse de derives chlores aliphatiques, a base de microbilles d'oxyde de chrome, et procedes de fluoruration utilisant ces catalyseurs
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
US5262574A (en) * 1987-03-09 1993-11-16 Ausimont S.P.A. Process for preparing 1,1,1-trifluoro-2,2-dichloroethane by hydrofluorination in the presence of catalysts
US5276224A (en) * 1987-03-09 1994-01-04 Ausimont S.P.A. Process for preparing 1,1,1-trifluoro-2,2-dichloroethane by hydrofluorination in the presence of catalysts
IT1202652B (it) * 1987-03-09 1989-02-09 Ausimont Spa Processo per la preparazione di 1,1,1-trifluoro-2,2-dicloroetano mediante idrofluorurazione in presenza di catalizzatori
US4766260A (en) * 1987-07-07 1988-08-23 E. I. Du Pont De Nemours And Company Gas-phase fluorination process
US4766259A (en) * 1987-08-13 1988-08-23 E. I. Du Pont De Nemours And Company Gas-phase fluorination process
US5026930A (en) * 1987-08-13 1991-06-25 E. I. Du Pont De Nemours And Company Gas-phase fluorination process
US4843181A (en) * 1987-10-22 1989-06-27 E. I. Du Pont De Nemours And Company Process for the manufacture of 1,1,1-trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane
JPH0788326B2 (ja) * 1987-11-26 1995-09-27 旭硝子株式会社 １，１−ジクロロ−１，２，２，２−テトラフルオロエタンの製造方法
US4818513A (en) * 1987-12-21 1989-04-04 Ppg Industries, Inc. Separation of hydrogen fluoride from 1,1-difluoroethene
US5171899A (en) * 1988-05-17 1992-12-15 Daikin Industries Ltd. Process for production of 1,1,1-trifluoro-2,2-dichloroethane
JPH01290639A (ja) * 1988-05-17 1989-11-22 Daikin Ind Ltd １，１，１−トリフルオロ−２，２−ジクロロエタンの製造法
IN171977B (de) * 1988-06-29 1993-02-27 Du Pont
US5051538A (en) * 1988-07-29 1991-09-24 E. I. Dupont De Nemours And Company Process for 1,1-dichloro-1-fluoroethane
US5449842A (en) * 1989-04-05 1995-09-12 Atochem North America, Inc. Gas phase process for the production of 1,1-dichloro-1-fluoroethane and/or 1-chloro-1,1-difluoroethane from vinylidene chloride
US5105033A (en) * 1989-05-25 1992-04-14 E. I. Du Pont De Nemours And Company Process for preparing 1,1-dichloro-1-fluoroethane
DE69005697T2 (de) * 1989-05-25 1994-07-14 Du Pont Verfahren zur Herstellung von 1,1-Dichlor-1-fluorethan.
US5036036A (en) * 1989-06-13 1991-07-30 E. I. Du Pont De Nemours And Company Chromium oxide catalyst composition
IT1230779B (it) * 1989-07-12 1991-10-29 Ausimont Srl Procedimento per preparare 1,1,1,2 tetrafluoroetano.
US5254771A (en) * 1989-07-14 1993-10-19 Hoechst Aktiengesellschaft Process for the preparation of 1,1,1-trifluoro-2-2-dichloroethane under elevated pressure
DE3923256A1 (de) * 1989-07-14 1991-01-24 Hoechst Ag Verfahren zur herstellung von 1,1,1-trifluor-2-chlorethan
US5334786A (en) * 1990-03-13 1994-08-02 Daikin Industries, Ltd. Process for preparing 1,1,1,2-tetrafluoroethane
US5243107A (en) * 1990-03-29 1993-09-07 Imperial Chemical Industries Plc Chemical process
GB9104775D0 (en) * 1991-03-07 1991-04-17 Ici Plc Fluorination catalyst and process
US5155082A (en) * 1991-04-12 1992-10-13 Allied-Signal Inc. Catalyst for the manufacture of chlorofluorocarbons, hydrochlorofluorocarbons and hydrofluorocarbons
DE69228242T2 (de) * 1991-05-06 2009-09-10 E.I. Dupont De Nemours And Co., Wilmington Verfahren zur herstellung von pentafluorethan
ZA923274B (en) * 1991-05-06 1993-11-08 Du Pont Process for the manufacture of pentafluoroethane
DE59203875D1 (de) * 1991-05-17 1995-11-09 Hoechst Ag Verfahren zur Herstellung von Pentafluorethan (R 125).
JP2748720B2 (ja) * 1991-05-23 1998-05-13 ダイキン工業株式会社 ハロゲン化炭化水素のフッ素化方法
US6300531B1 (en) 1991-05-24 2001-10-09 Daikin Industries, Ltd. Fluorination catalyst and process for fluorinating halogenated hydrocarbon
US6337299B1 (en) * 1991-05-24 2002-01-08 Daikin Industries Ltd. Fluorination catalyst and process for fluorinating halogenated hydrocarbon
IT1252658B (it) * 1991-12-23 1995-06-20 Ausimont Spa Procedimento per la depurazione dell'1,1,1-trifluoro-2-fluoroetano
IT1255781B (it) 1992-08-14 1995-11-15 Ausimont Spa Procedimento per preparare 1,1,1-trifluoro-2-cloroetano
GB9219720D0 (en) * 1992-09-17 1992-10-28 Ici Plc Catalyst production
US5258561A (en) * 1992-11-06 1993-11-02 E. I. Du Pont De Nemours And Company Catalytic chlorofluorination process for producing CF3 CHClF and CF3 CHF2
US5395999A (en) * 1992-11-06 1995-03-07 E. I. Du Pont De Nemours And Company Catalytic chlorofluorination process for producing CHClFCF3 and CHF2 CF3
US5346595A (en) * 1993-02-23 1994-09-13 Alliedsignal Inc. Process for the purification of a pentafluoroethane azeotrope
FR2701943B1 (fr) * 1993-02-24 1995-05-12 Atochem Elf Sa Purification du pentafluoroéthane.
US5866730A (en) * 1993-04-02 1999-02-02 E. I. Du Pont De Nemours And Company Process for enriching 1,2-dichloro-1,1,2,2-tetrafluoroethane from a mixture of dichlorotetrafluoroethane isomers
IT1270959B (it) 1993-08-13 1997-05-26 Ausimont Spa Processo per la preparazione di pentafluoroetano
CA2131361C (en) * 1993-09-07 2005-02-08 Katsuyuki Tsuji Chromium-based fluorination catalyst, process for producing the catalyst, and fluorination process using the catalyst
WO1995011875A1 (en) * 1993-10-28 1995-05-04 Alliedsignal Inc. Process for purifying 1,1-dichloro-2,2,2-trifluoroethane and 1-chloro-1,2,2,2-tetrafluoroethane
KR960016683B1 (en) * 1993-12-09 1996-12-20 Korea Inst Sci & Tech Method of producing fluorization catalyst for preparing 1,1,1,2-tetrafluoroethane
US5569794A (en) * 1994-05-24 1996-10-29 Alliedsignal Inc. Vapor phase process for producing hydroflourocarbons from perchloroethylene having a phenolic inhibitor
US5475167A (en) * 1995-02-17 1995-12-12 E. I. Du Pont De Nemours And Company Process for the manufacture of pentafluoroethane
DE19510024C2 (de) * 1995-03-20 1997-02-06 Hoechst Ag Verfahren zur Herstellung von Pentafluorethan (R 125)
FR2754815B1 (fr) * 1996-10-18 1998-12-04 Atochem Elf Sa Purification du pentafluoroethane
US6417413B1 (en) 1999-11-03 2002-07-09 Alliedsignal Inc. Process for the preparation of halogenated ethanes
FR2807751B1 (fr) * 2000-04-12 2005-05-20 Solvay Procede pour la preparation d'un hydro (chloro) fluoroalcane et catalyseur
GB0021618D0 (en) 2000-09-02 2000-10-18 Ici Plc Production of hydrofluoroalkanes
CN1310860C (zh) * 2002-08-22 2007-04-18 纳幕尔杜邦公司 制备1,1,1,2,2－五氟乙烷的方法
GB0507139D0 (en) 2005-04-08 2005-05-18 Ineos Fluor Holdings Ltd Catalyst
GB0525700D0 (en) * 2005-12-17 2006-01-25 Ineos Fluor Holdings Ltd Process
GB0525699D0 (en) 2005-12-17 2006-01-25 Ineos Fluor Holdings Ltd Process
GB0525701D0 (en) * 2005-12-17 2006-01-25 Ineos Fluor Holdings Ltd Process
WO2011097490A1 (en) * 2010-02-08 2011-08-11 Ndsu Research Foundation Method of producing polyalkylated oligoalkylenepolyamines

Also Published As

Publication number Publication date
DE2032098A1 (de) 1971-01-07
ZA704151B (en) 1972-02-23
NL169038B (nl) 1982-01-04
DE2032098B2 (de) 1979-05-23
NL169038C (nl) 1982-06-01
NL7009179A (de) 1970-12-29
GB1307224A (en) 1973-02-14
FR2051409A5 (de) 1971-04-02
DE2032098C3 (de) 1980-01-17
US3755477A (en) 1973-08-28

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