NL6902800A - Catalytic dehydrogenation of hydrocarbons - Google Patents

Catalytic dehydrogenation of hydrocarbons

Info

Publication number
NL6902800A
NL6902800A NL6902800A NL6902800A NL6902800A NL 6902800 A NL6902800 A NL 6902800A NL 6902800 A NL6902800 A NL 6902800A NL 6902800 A NL6902800 A NL 6902800A NL 6902800 A NL6902800 A NL 6902800A
Authority
NL
Netherlands
Prior art keywords
pref
secs
catalyst
dehydrogenation
polyalkylbenzenes
Prior art date
Application number
NL6902800A
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 filed Critical
Priority to NL6902800A priority Critical patent/NL6902800A/en
Publication of NL6902800A publication Critical patent/NL6902800A/en

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
    • C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/321—Catalytic processes
    • C07C5/322—Catalytic processes with metal oxides or metal sulfides
    • 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
    • C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
    • C07C5/333—Catalytic processes
    • C07C5/3332—Catalytic processes with metal oxides or metal sulfides
    • 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
    • Y02P20/584—Recycling of catalysts

Landscapes

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

Abstract

polyalkylbenzenes are dehydrogenated by (a) passing with steam over a steam-regenerable dehydrogenation catalyst for 10 to 60 secs. (pref. 20 to 45 secs.); (b) regenerating the catalyst under regeneration conditions for a period of 1.25 to 5.0 x (pref. 2 to 4 x) the reaction period, and (c) repeating (a). The polyalkylbenzenes are diisopropyl, diethyl or ethylisopropyl, and are dehydrogenated at a partial pressure of 0.01 to 0.15 (pref. 0.05 to 0.07) atm. over a catalyst of Fe2O3-Cr2O3-K2CO3 at 800 to 1200 (pref. 975 to 1125) degrees F and 0.1 to 1 (pref. 0.15 to 0.35) secs. residence time. The use of the short cycle dehydrogenation/regeneration system with the time ratios specified enables the initial activity of a regenerable dehydrogenation catalyst to be maintained.
NL6902800A 1969-02-21 1969-02-21 Catalytic dehydrogenation of hydrocarbons NL6902800A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL6902800A NL6902800A (en) 1969-02-21 1969-02-21 Catalytic dehydrogenation of hydrocarbons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6902800A NL6902800A (en) 1969-02-21 1969-02-21 Catalytic dehydrogenation of hydrocarbons

Publications (1)

Publication Number Publication Date
NL6902800A true NL6902800A (en) 1970-08-25

Family

ID=19806229

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6902800A NL6902800A (en) 1969-02-21 1969-02-21 Catalytic dehydrogenation of hydrocarbons

Country Status (1)

Country Link
NL (1) NL6902800A (en)

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