Journal
13TH INTERNATIONAL CONFERENCE ON GREENHOUSE GAS CONTROL TECHNOLOGIES, GHGT-13
Volume 114, Issue -, Pages 7141-7149Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.egypro.2017.03.1876
Keywords
catalysts; dimethyl carbonate; ionic liquids; methanol; carbon dioxide
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Dimethyl carbonate (DMC) synthesis from methanol and CO(2)was investigated using ionic liquids (ILs) as catalysts. ILs based on 1-alkyl-3-methyl imidazolium and N-alkylpyridine cations and [Cl-], [BF4-], [PF6], [Tf2N-] anions were used in this study. Selectivity in DMC increased in the anion order: [Tf2N-]< [PF6] < [Cl-] < [BF4-], following the same behavior for both cations. Methanol conversion was similar for all tested ILs. The best result for DMC selectivity (83%) was obtained when [emim][BF4] was used as catalyst. After 5 recycling tests, a loss of 8.5% in the catalyst activity was observed for [bmim][BF4]. (C) 2017 The Authors. Published by Elsevier Ltd.
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