Journal
JOURNAL OF CLEANER PRODUCTION
Volume 103, Issue -, Pages 847-853Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2014.09.024
Keywords
Carbon dioxide; Dimethyl carbonate; Methanol; Ceria catalysts
Categories
Funding
- Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme
- Guangdong Province Sci & Tech Bureau (Key Strategic Project) [2008A080800024]
- Chinese Universities Basic Research Founding
- National University of Singapore
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This paper mainly describes a novel synthesis of three different ceria catalysts CeO2, CeO2-SiO2 and CeO2-4A via template-precipitation method. The prepared catalysts were fully characterized by means of temperature-programmed desorption (TPD), X-ray powder diffraction (XRD), BET surface area test, SEM and FTIR. The catalytic performance over these ceria catalysts were examined for the dimethyl carbonate (DMC) synthesis from CO2 and methanol. The results indicate that CeO2-4A exhibits the highest DMC yield, followed by CeO2-SiO2 and CeO2, catalysts. Under the reaction conditions at 0.6 MPa and 120 degrees C with space velocity of 300 h(-1) , the highest methanol conversion is 3.97% with DMC selectivity of 81.4%. (C) 2014 Elsevier Ltd. All rights reserved.
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