DE1768758C3 - Verfahren zum Isomerisieren von Methylbenzolen mit 2 bis 4 Methylgruppen - Google Patents

Verfahren zum Isomerisieren von Methylbenzolen mit 2 bis 4 Methylgruppen

Info

Publication number
DE1768758C3
DE1768758C3 DE1768758A DE1768758A DE1768758C3 DE 1768758 C3 DE1768758 C3 DE 1768758C3 DE 1768758 A DE1768758 A DE 1768758A DE 1768758 A DE1768758 A DE 1768758A DE 1768758 C3 DE1768758 C3 DE 1768758C3
Authority
DE
Germany
Prior art keywords
hydrogen
catalyst
atmospheres
ammonia
pressure
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
DE1768758A
Other languages
German (de)
English (en)
Other versions
DE1768758B2 (de
DE1768758A1 (de
Inventor
Emanuel Mirza Amir
Edward Frank Wadley
Robert Dale Wesselhoft
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
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 Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of DE1768758A1 publication Critical patent/DE1768758A1/de
Publication of DE1768758B2 publication Critical patent/DE1768758B2/de
Application granted granted Critical
Publication of DE1768758C3 publication Critical patent/DE1768758C3/de
Expired 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
    • 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
    • B01J23/28—Molybdenum
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
    • C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
    • C07C5/2702—Catalytic processes not covered by C07C5/2732 - C07C5/31; Catalytic processes covered by both C07C5/2732 and C07C5/277 simultaneously
    • C07C5/2705—Catalytic processes not covered by C07C5/2732 - C07C5/31; Catalytic processes covered by both C07C5/2732 and C07C5/277 simultaneously with metal oxides
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S585/00—Chemistry of hydrocarbon compounds
    • Y10S585/8995—Catalyst and recycle considerations
    • Y10S585/906—Catalyst preservation or manufacture, e.g. activation before use
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S585/00—Chemistry of hydrocarbon compounds
    • Y10S585/949—Miscellaneous considerations
    • Y10S585/951—Reaction start-up procedure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
DE1768758A 1968-06-03 1968-06-26 Verfahren zum Isomerisieren von Methylbenzolen mit 2 bis 4 Methylgruppen Expired DE1768758C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73404368A 1968-06-03 1968-06-03

Publications (3)

Publication Number Publication Date
DE1768758A1 DE1768758A1 (de) 1972-01-13
DE1768758B2 DE1768758B2 (de) 1978-05-03
DE1768758C3 true DE1768758C3 (de) 1979-01-18

Family

ID=24950098

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1768758A Expired DE1768758C3 (de) 1968-06-03 1968-06-26 Verfahren zum Isomerisieren von Methylbenzolen mit 2 bis 4 Methylgruppen

Country Status (6)

Country Link
US (1) US3449456A (enExample)
JP (1) JPS5242752B1 (enExample)
BE (1) BE717170A (enExample)
DE (1) DE1768758C3 (enExample)
GB (1) GB1208624A (enExample)
NL (1) NL166914C (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245130A (en) * 1978-06-02 1981-01-13 The British Petroleum Company Limited Isomerization of alkyl aromatics using a gallium containing aluminosilicate catalyst
JPS55125143U (enExample) * 1979-02-27 1980-09-04

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2784241A (en) * 1951-06-06 1957-03-05 California Research Corp Xylene isomerization with hydrogenation
US2864875A (en) * 1952-03-18 1958-12-16 Gulf Research Development Co Hydroisomerization
US3393148A (en) * 1965-11-30 1968-07-16 Standard Oil Co Hydrofining catalyst and process using same

Also Published As

Publication number Publication date
NL166914C (nl) 1981-10-15
US3449456A (en) 1969-06-10
BE717170A (enExample) 1968-12-27
JPS5242752B1 (enExample) 1977-10-26
DE1768758B2 (de) 1978-05-03
DE1768758A1 (de) 1972-01-13
NL6808926A (enExample) 1969-12-05
GB1208624A (en) 1970-10-14

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
EF Willingness to grant licences
8340 Patent of addition ceased/non-payment of fee of main patent