Kinetics of dimethyl carbonate synthesis from methanol and carbon dioxide over ZrO2-MgO catalyst in the presence of butylene oxide as additive

Valerie Eta, Päivi Mäki-Arvela, Johan Wärnå, Tapio Salmi, Jyri-Pekka Mikkola, Dmitry Yu Murzin*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

38 Citations (Scopus)

Abstract

A kinetic investigation of dimethyl carbonate (DMC) synthesis from methanol and CO2 over ZrO2-MgO was performed by using butylene oxide as a chemical trap for the water formed during the reaction. The effect of the catalyst amount, the stirring speed, the temperature, as well as the amount of butylene oxide on the reaction rate and the selectivity to DMC was studied. The analysis of the reaction pathway suggests that DMC and butylene glycol are formed via the reaction of adsorbed mono-methoxycarbonate intermediate and methoxybutanol or methanol. A kinetic model was developed based on the reaction mechanism and it was in agreement with the experimental data. The apparent activation energy for the formation of DMC was 62 kJ/mol.

Original languageEnglish
Pages (from-to)39-46
Number of pages8
JournalApplied Catalysis A: General
Volume404
Issue number1-2
DOIs
Publication statusPublished - 19 Sep 2011
MoE publication typeA1 Journal article-refereed

Keywords

  • Butylene oxide
  • Carbon dioxide
  • Dimethyl carbonate
  • Kinetics
  • Methanol
  • ZrO -MgO

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