Reaction of 1,2,4-trimethylbenzene and methanol on montmorillonite catalysts pillared by aluminium hydroxyl complexes

T. Matsuda, M. Matsukata, E. Kikuchi, Y. Morita

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Abstract

Reaction of 1,2,4-trimethylbenzene (TrMB) and methanol was investigated using montmorillonite catalysts pillared by aluminium hydroxyl complexes (Al-mont) in comparison with H-Y and H-mordenite zeolites. It was found that Al-mont catalysts were activated by water produced from methanol but deactivation of catalysts was accelerated by the presence of methanol. The yield and the fraction of 1,2,4,5-tetramethylbenzene (TeMB) produced from the reaction of 1,2,4-TrMB and methanol on Al-monts were greater than those on H-Y because of the difference in microporous structure. The fraction of 1,2,4,5-TeMB decreased with increasing 1,2,4-TrMB conversion in the absence of methanol but it was suppressed in the presence of methanol, which retarded the isomerization of 1,2,4,5-TeMB on all catalysts. On Al-mont catalysts the fraction of 1,2,4,5-TeMB increased with increasing methanol content in the feed but H-Y catalyst did not show a similar effect of methanol content.

Original languageEnglish
Pages (from-to)297-306
Number of pages10
JournalApplied Catalysis
Volume21
Issue number2
DOIs
Publication statusPublished - 1986 Mar 14

ASJC Scopus subject areas

  • Engineering(all)

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