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 journalArticle

45 Citations (Scopus)


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
Issue number17
Publication statusPublished - 2008 Sep 3

ASJC Scopus subject areas

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

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