FR2347327A1 - Isomerisation of hydrocarbons - with alumina catalyst contg. silicon - Google Patents

Isomerisation of hydrocarbons - with alumina catalyst contg. silicon

Info

Publication number
FR2347327A1
FR2347327A1 FR7609833A FR7609833A FR2347327A1 FR 2347327 A1 FR2347327 A1 FR 2347327A1 FR 7609833 A FR7609833 A FR 7609833A FR 7609833 A FR7609833 A FR 7609833A FR 2347327 A1 FR2347327 A1 FR 2347327A1
Authority
FR
France
Prior art keywords
isomerisation
pref
hydrocarbons
silicon
catalysts
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.)
Granted
Application number
FR7609833A
Other languages
French (fr)
Other versions
FR2347327B1 (en
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.)
Compagnie Francaise de Raffinage SA
Original Assignee
Compagnie Francaise de Raffinage 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 Compagnie Francaise de Raffinage SA filed Critical Compagnie Francaise de Raffinage SA
Priority to FR7609833A priority Critical patent/FR2347327A1/en
Publication of FR2347327A1 publication Critical patent/FR2347327A1/en
Application granted granted Critical
Publication of FR2347327B1 publication Critical patent/FR2347327B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C07C5/2729—Changing the branching point of an open chain or the point of substitution on a ring
    • C07C5/2732—Catalytic processes
    • C07C5/2735—Catalytic processes with metal oxides
    • 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
    • C07C5/2206—Catalytic processes not covered by C07C5/23 - C07C5/31
    • C07C5/2213—Catalytic processes not covered by C07C5/23 - C07C5/31 with metal oxides
    • 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
    • C07C5/31—Rearrangement of carbon atoms in the hydrocarbon skeleton changing the number of rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/12—Silica and alumina
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Abstract

Isomerisation of hydrocarbon feeds is carried out using an Al2O3 catalyst contg. 0.01-5 (pref. 0.1-2) wt.% Si. The process is esp. useful for isomerising cyclic olefins (e.g. cyclohexene to methylcyclopentenes) and aromatics (e.g. ethylbenzene to xylenes). The catalysts give higher conversions than Si-free catalysts. In the case of xylene formation, the proportion of p-xylene is also higher. The Al2O3 pref. has a specific surface of >15 m.2/g. and a pore vol. of >0.1 cm.3/g. The catalysts pref. also contain 0.01-3 wt.% of a halogen (esp. Cl).
FR7609833A 1976-04-05 1976-04-05 Isomerisation of hydrocarbons - with alumina catalyst contg. silicon Granted FR2347327A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7609833A FR2347327A1 (en) 1976-04-05 1976-04-05 Isomerisation of hydrocarbons - with alumina catalyst contg. silicon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7609833A FR2347327A1 (en) 1976-04-05 1976-04-05 Isomerisation of hydrocarbons - with alumina catalyst contg. silicon

Publications (2)

Publication Number Publication Date
FR2347327A1 true FR2347327A1 (en) 1977-11-04
FR2347327B1 FR2347327B1 (en) 1980-05-30

Family

ID=9171396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7609833A Granted FR2347327A1 (en) 1976-04-05 1976-04-05 Isomerisation of hydrocarbons - with alumina catalyst contg. silicon

Country Status (1)

Country Link
FR (1) FR2347327A1 (en)

Also Published As

Publication number Publication date
FR2347327B1 (en) 1980-05-30

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Legal Events

Date Code Title Description
ST Notification of lapse