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Received January 5, 2014
Accepted April 29, 2014
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Complete oxidation of 1,2-dichlorobenzene over V2O5-TiO2 and MnOx-TiO2 aerogels
Coal Chemistry Research Project, Research Institute of Industrial Science and Technology, Pohang, Gyeongbuk 790-330, Korea 1Clean Energy Research Center, Korea Institute of Science and Technology, P. O. Box 131, Cheongryang, Seoul 136-791, Korea
djsuh@kist.re.kr
Korean Journal of Chemical Engineering, October 2014, 31(10), 1773-1779(7), 10.1007/s11814-014-0128-x
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Abstract
Catalytic destruction of 1,2-dichlorobenzene was carried out over two types of aerogels, vanadia-titania and manganese oxide-titania. Reactions were performed in a plug flow reactor in the range of 150-600 ℃. Both catalysts resulted in very high selectivity to carbon oxides and produced negligible amount of hydrocarbon byproducts. Over the vanadia-titania catalysts, the chlorinated compound was relatively more efficiently destructed at lower temperature, while selectivity towards carbon dioxide was much higher over manganese oxide-titania aerogel catalysts. Vanadiatitania catalysts, regardless of the preparation methods, showed a tendency to produce carbon monoxide with 35-45% selectivity throughout the reaction temperature range while manganese oxide-titania exhibited more than 90% CO2 selectivity at above 400 ℃.
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