Control of acid-site location of MFI zeolite by catalytic cracking of silane and its application to olefin synthesis from acetone

Teruoki Tago, Mariko Sakamoto, Kazuyuki Iwakai, Hirotomo Nishihara, Shin R. Mukai, Tsunehiro Tanaka, Takao Masuda

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

Selective de-activation of acid sites located near the outer surface of zeolite was examined using the catalytic cracking of silane (CCS) method. From FT-IR analysis, adsorption species of silane compounds on the acid sites of zeolite during calcination were investigated. Moreover, the effects of types of silane compounds on the changes in zeolite properties, including the amounts of adsorbed ammonia and benzene within zeolite, prior to and after CCS treatment, were examined. The CCS method using diphenylmethylsilane (DPM-silane) was effective in de-activating the acid sites located near the outer surface of ZSM-5 zeolite. Olefin synthesis from acetone was carried out using ZSM-5 zeolite catalysts. The ZSM-5 zeolite after the CCS treatment using DPMsilane exhibited high olefin selectivity as well as low aromatic selectivity.

Original languageEnglish
Pages (from-to)162-167
Number of pages6
JournalJOURNAL of CHEMICAL ENGINEERING of JAPAN
Volume42
Issue numberSUPPL. 1
DOIs
Publication statusPublished - 2009 Dec 30

Keywords

  • Acetone
  • Catalytic cracking of silane
  • Olefin
  • Solid acid catalyst
  • Zeolite

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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