Catalytic properties and structure of zirconia catalysts for direct synthesis of dimethyl carbonate from methanol and carbon dioxide

Keiichi Tomishige, Yoshiki Ikeda, Tomohiro Sakaihori, Kaoru Fujimoto

Research output: Contribution to journalArticle

203 Citations (Scopus)

Abstract

Selective synthesis of dimethyl carbonate from methanol and CO2 proceeded effectively on a zirconia catalyst prepared by the calcination of zirconium hydroxide at 673 K. The bulk of this zirconia had a mainly tetragonal structure which was determined by XRD. In contrast, near its surface the monoclinic phase was major and the tetragonal phase was minor, as determined by laser Raman spectroscopy. But the ratio of the tetragonal phase to the monoclinic was higher on this zirconia catalyst than on other catalysts prepared at different calcination temperatures. The number of neighboring acid-base sites estimated by temperature-programmed desorption is suggested to be related to the activity of dimethyl carbonate formation.

Original languageEnglish
Pages (from-to)355-362
Number of pages8
JournalJournal of Catalysis
Volume192
Issue number2
DOIs
Publication statusPublished - 2000 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

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