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Materials 2014, 7(11), 7379-7397; doi:10.3390/ma7117379

Ceo2 Based Catalysts for the Treatment of Propylene in Motorcycle’s Exhaust Gases

1
Department of Organicsynthesis and Petrochemistry, Faculty of Chemical Technology, Hanoi University of Technology, 1 Dai Co Viet, Hanoi 10000, Vietnam
2
Sol-gel Centre for Research on Inorganic Powders and Thin films Synthesis (SCRiPTS), Department of Inorganic and Physical Chemistry, Ghent University, Krijgslaan 291-S3, 9000 Gent, Belgium
*
Authors to whom correspondence should be addressed.
Received: 18 September 2014 / Revised: 6 November 2014 / Accepted: 7 November 2014 / Published: 17 November 2014
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Abstract

In this work, the catalytic activities of several single metallic oxides were studied for the treatment of propylene, a component in motorcycles’ exhaust gases, under oxygen deficient conditions. Amongst them, CeO2 is one of the materials that exhibit the highest activity for the oxidation of C3H6. Therefore, several mixtures of CeO2 with other oxides (SnO2, ZrO2, Co3O4) were tested to investigate the changes in catalytic activity (both propylene conversion and CO2 selectivity). Ce0.9Zr0.1O2, Ce0.8Zr0.2O2 solid solutions and the mixtures of CeO2 and Co3O4 was shown to exhibit the highest propylene conversion and CO2 selectivity. They also exhibited good activities when tested under oxygen sufficient and excess conditions and with the presence of co-existing gases (CO, H2O). View Full-Text
Keywords: ceria; zirconia; tin oxide; cobalt oxide; oxidation; propylene; oxides; exhaust gases ceria; zirconia; tin oxide; cobalt oxide; oxidation; propylene; oxides; exhaust gases
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Pham, P.T.M.; Minh, T.L.; Nguyen, T.T.; Van Driessche, I. Ceo2 Based Catalysts for the Treatment of Propylene in Motorcycle’s Exhaust Gases. Materials 2014, 7, 7379-7397.

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