DE2348354C3 - Verfahren zum Entalkylieren von Alkylaromaten - Google Patents

Verfahren zum Entalkylieren von Alkylaromaten

Info

Publication number
DE2348354C3
DE2348354C3 DE2348354A DE2348354A DE2348354C3 DE 2348354 C3 DE2348354 C3 DE 2348354C3 DE 2348354 A DE2348354 A DE 2348354A DE 2348354 A DE2348354 A DE 2348354A DE 2348354 C3 DE2348354 C3 DE 2348354C3
Authority
DE
Germany
Prior art keywords
dealkylation
reaction
cerium
catalysts
amount
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
DE2348354A
Other languages
German (de)
English (en)
Other versions
DE2348354A1 (de
DE2348354B2 (de
Inventor
Yasuhiro Komatsuzaki
Yoshio Ohsumi
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.)
Asia Oil Co Ltd
Mitsubishi Chemical Corp
Original Assignee
Asia Oil Co Ltd
Mitsubishi 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 Asia Oil Co Ltd, Mitsubishi Chemical Industries Ltd filed Critical Asia Oil Co Ltd
Publication of DE2348354A1 publication Critical patent/DE2348354A1/de
Publication of DE2348354B2 publication Critical patent/DE2348354B2/de
Application granted granted Critical
Publication of DE2348354C3 publication Critical patent/DE2348354C3/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
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J23/12—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of actinides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • C07C4/08—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule
    • C07C4/12—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene
    • C07C4/14—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene splitting taking place at an aromatic-aliphatic bond
    • C07C4/20—Hydrogen being formed in situ, e.g. from steam
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of rare earths

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE2348354A 1972-09-30 1973-09-26 Verfahren zum Entalkylieren von Alkylaromaten Expired DE2348354C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47098266A JPS522892B2 (enExample) 1972-09-30 1972-09-30

Publications (3)

Publication Number Publication Date
DE2348354A1 DE2348354A1 (de) 1974-04-04
DE2348354B2 DE2348354B2 (de) 1979-07-12
DE2348354C3 true DE2348354C3 (de) 1980-03-06

Family

ID=14215127

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2348354A Expired DE2348354C3 (de) 1972-09-30 1973-09-26 Verfahren zum Entalkylieren von Alkylaromaten

Country Status (6)

Country Link
US (1) US3903186A (enExample)
JP (1) JPS522892B2 (enExample)
DE (1) DE2348354C3 (enExample)
FR (1) FR2201277B1 (enExample)
GB (1) GB1392687A (enExample)
NL (1) NL174718C (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310715A (en) * 1975-11-03 1982-01-12 Texaco, Inc. Steam dealkylation process
DE2658369A1 (de) * 1976-03-11 1977-09-15 Texaco Development Corp Katalysatortraeger, verfahren zu seiner herstellung und seine verwendung
US4962264A (en) * 1989-10-23 1990-10-09 Betz Laboratories, Inc. Methods for retarding coke formation during pyrolytic hydrocarbon processing
ZA909211B (en) * 1990-02-23 1991-09-25 Grace W R & Co High surface area ceria
US5263998A (en) * 1990-08-22 1993-11-23 Imperial Chemical Industries Plc Catalysts
GB9018409D0 (en) * 1990-08-22 1990-10-03 Ici Plc Catalysts
DE102007004075A1 (de) * 2007-01-26 2008-07-31 Linde Ag Verfahren zur Temperaturführung einer Dampf-Dealkylierung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960545A (en) * 1958-11-17 1960-11-15 Union Oil Co Demethylation process for pseudocumene
US3284525A (en) * 1962-08-20 1966-11-08 Phillips Petroleum Co Hydrodealkylation process
DE1250415B (de) * 1963-05-30 1967-09-21 Shell Internationale Research Maatschappij N V, Den Haag Verfahren zur Herstellung von Wasserstoff bzw von Wasserstoff enthaltenden Gasmischungen
GB1080586A (en) * 1964-04-23 1967-08-23 Mitsubishi Petrochemical Co Process for producing high purity benzene
US3240697A (en) * 1964-12-17 1966-03-15 Socony Mobil Oil Co Inc Catalytic conversion with activated catalyst
US3367884A (en) * 1965-12-30 1968-02-06 Mobil Oil Corp Production and use of hydrocarbon conversion catalysts comprising acid treated crystalline aluminosilicates
US3812196A (en) * 1970-11-30 1974-05-21 Mitsubishi Petrochemical Co Catalytic steam dealkylation

Also Published As

Publication number Publication date
DE2348354A1 (de) 1974-04-04
JPS522892B2 (enExample) 1977-01-25
DE2348354B2 (de) 1979-07-12
GB1392687A (en) 1975-04-30
NL7313446A (enExample) 1974-04-02
NL174718C (nl) 1984-08-01
FR2201277B1 (enExample) 1976-10-01
US3903186A (en) 1975-09-02
FR2201277A1 (enExample) 1974-04-26
NL174718B (nl) 1984-03-01
JPS4955630A (enExample) 1974-05-30

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee