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| Study on the Catalytic Oxidation of Ethane in a Million Seconds Contact Time Reactor |
| LI Tuo-Nian, LIN He, LUO Tao, HUANG Zhen |
(Research Center for Combustion and Environmental Technology,
Shanghai Jiaotong University, Shanghai 200240, China) |
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Abstract The Pt catalyst samples were prepared by impregnation of αAl2O3 foam monolith. By changing the radio of C2H6/O2, the percentage of N2 and total flow rate, the property of shortcontacttime reforming (SCTR) in a millionseconds was investigated. In addition, direct and indirect oxidation models were discussed by checking the temperature layout in the catalyst monolith. The results show that when enhancing C2H6/O2 ratio and N2 dilution ratio, the selectivity of C2H4 increases (up to 70%) and selectivity of CO and H2 decreases. The contact time affects the selectivity of the products from ethane oxidation, the selectivity of synthesis gas reaches maximum (S（H2）=40%，S（CO）=75%) at the flow rate of 4 L/min. The experimental results prove that SCTR is a combination of homogeneous and heterogeneous reaction.
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Received: 21 April 2012
Published: 28 April 2012
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