Dimethyl ether as a source of reactive species for alkylation of benzene

Aleksander Széchenyi, Frigyes Solymosi

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Abstract

The co-reaction of dimethyl ether and benzene has been investigated on pure and promoted-ZSM-5 catalysts at 473-773 K. It was found that the addition of benzene to dimethyl ether markedly increased the formation of toluene, xylene and C9 aromatics on ZSM-5 at and above 623 K. This feature is attributed to the reaction of benzene with the reactive hydrocarbon species formed in the decomposition of dimethyl ether on the acidic sites of ZSM-5 zeolite. The extent of the enhancement was further increased by ZnO and Mo 2C promoters.

Original languageEnglish
Pages (from-to)13-19
Number of pages7
JournalCatalysis Letters
Volume127
Issue number1-2
DOIs
Publication statusPublished - Jan 1 2009

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Keywords

  • Alkylation of benzene
  • Co-reaction of dimethyl ether and benzene
  • Decomposition of dimethyl ether
  • ZSM-5 catalyst

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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