IT1022130B - Riattivazione di catalizzatori esauriti di fluoruro cromico - Google Patents

Riattivazione di catalizzatori esauriti di fluoruro cromico

Info

Publication number
IT1022130B
IT1022130B IT27489/74A IT2748974A IT1022130B IT 1022130 B IT1022130 B IT 1022130B IT 27489/74 A IT27489/74 A IT 27489/74A IT 2748974 A IT2748974 A IT 2748974A IT 1022130 B IT1022130 B IT 1022130B
Authority
IT
Italy
Prior art keywords
reactivation
exhausted
fluoride catalysts
chromic fluoride
chromic
Prior art date
Application number
IT27489/74A
Other languages
English (en)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT1022130B publication Critical patent/IT1022130B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00Acyclic saturated compounds containing halogen atoms
    • C07C19/08Acyclic saturated compounds containing halogen atoms containing fluorine
    • C07C19/10Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
    • C07C19/12Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine having two carbon atoms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/20Regeneration or reactivation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06Halogens; Compounds thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/28Regeneration or reactivation
    • B01J27/32Regeneration or reactivation of catalysts comprising compounds of halogens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/22Halogenating
    • B01J37/24Chlorinating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00Regeneration or reactivation of catalysts, in general
    • B01J38/04Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
    • B01J38/42Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst using halogen-containing material
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/093Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206Preparation 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/584Recycling of catalysts

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)
IT27489/74A 1973-09-24 1974-09-19 Riattivazione di catalizzatori esauriti di fluoruro cromico IT1022130B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00400042A US3855151A (en) 1973-09-24 1973-09-24 Reactivation of spent chromic fluoride catalysts

Publications (1)

Publication Number Publication Date
IT1022130B true IT1022130B (it) 1978-03-20

Family

ID=23581993

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27489/74A IT1022130B (it) 1973-09-24 1974-09-19 Riattivazione di catalizzatori esauriti di fluoruro cromico

Country Status (9)

Country Link
US (1) US3855151A (it)
JP (1) JPS5059289A (it)
AR (1) AR200543A1 (it)
BE (1) BE613582A (it)
BR (1) BR7407894D0 (it)
FR (1) FR2244565A1 (it)
GB (1) GB1000083A (it)
IT (1) IT1022130B (it)
NL (2) NL7412607A (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4155881A (en) * 1978-03-08 1979-05-22 E. I. Du Pont De Nemours And Company Activation of chromic fluoride catalyst with hydrogen chloride and chlorine
US4465786A (en) * 1982-09-27 1984-08-14 General Electric Company Catalyst composition for the preparation of 3,3,3-trifluoropropene
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
IN170774B (it) * 1988-05-23 1992-05-16 Du Pont
IN171977B (it) * 1988-06-29 1993-02-27 Du Pont
EP0605683B1 (en) * 1992-06-10 1997-09-03 Imperial Chemical Industries Plc Production of tetrafluoroethanes
US5744660A (en) * 1992-06-10 1998-04-28 Imperial Chemical Industries Plc Products of tetrafluorothanes
FR2736050B1 (fr) 1995-06-29 1997-08-01 Atochem Elf Sa Procede de fabrication du difluoromethane
ES2216736T1 (es) * 2001-06-28 2004-11-01 Honeywell International Inc. Proceso para preparar un catalizador en la fluoracion.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB468447A (en) * 1936-01-03 1937-07-05 Fred Davison Leicester Improvements in or relating to the manufacture of fluorine derivatives of aliphatic hydrocarbons
DE1194826B (de) * 1963-06-29 1965-06-16 Hoechst Ag Verfahren zur Stabilisierung und/oder Aktivierung von Fluorierungskatalysatoren der Chromoxyfluoridgruppe
US3600450A (en) * 1967-08-29 1971-08-17 Franz Kaess Process for preparing vinylidene fluoride
DE1767200B1 (de) * 1968-04-11 1971-12-30 Hoechst Ag Verfahren zur Regenerierung von Fluorierungskatalysatoren der Chromoxyfluoridgruppe
US3632834A (en) * 1968-10-23 1972-01-04 Du Pont Process for preparing trichlorotrifluoroethane and dichlorotetrafluoroethane

Also Published As

Publication number Publication date
US3855151A (en) 1974-12-17
GB1000083A (en) 1965-08-04
JPS5059289A (it) 1975-05-22
FR2244565A1 (it) 1975-04-18
BE613582A (it) 1900-01-01
NL7412607A (nl) 1975-03-26
NL274474A (it) 1900-01-01
AR200543A1 (es) 1974-11-15
BR7407894D0 (pt) 1975-07-29
DE2445560A1 (de) 1975-04-03
DE2445560B2 (de) 1976-01-08

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