Influence of structure type of Al2O3 on dehydration of methanol for dimethyl ether synthesis

Chang Won Seo, Kwang Deok Jung, Kwan Young Lee, Kye Sang Yoo

Research output: Contribution to journalArticlepeer-review

49 Citations (Scopus)

Abstract

This study focused on the effect of alumina properties on the catalytic performance in the dehydration of methanol to synthesize dimethyl ether. The catalysts (γ-Al2O3 and η-Al2O 3) were prepared from boehmite and bayerite, respectively, via calcination at various temperatures. With heat treatment, the properties of alumina have been changed significantly. Under identical reaction conditions, γ-Al2O3 calcined at 500 °C and η-Al 2O3 calcined at 600 °C showed the highest catalytic activity, because of high acid site density among the same types of alumina. Interestingly, η-Al2O3 showed higher catalytic activity than η-Al2O3, although both catalysts possess comparable acidic properties. This means the structure type of alumina is crucial to determine catalytic performance in this reaction.

Original languageEnglish
Pages (from-to)6573-6578
Number of pages6
JournalIndustrial and Engineering Chemistry Research
Volume47
Issue number17
DOIs
Publication statusPublished - 2008 Sep 3

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

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