Chem. J. Chinese Universities
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SHEN Pei-Jun, DING Wei-Zhong*, ZHANG Yu-Wen, ZHOU Yu-Ding, YANG Zhi-Bin, QIN Guo-Li
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Abstract: The reaction mechanism on anode surface of membrane reactor was studied and proposed. The effects of catalyst micron on anode surface and catalyst-bed in membrane reactor were concluded. The “Catalystic dissociation mechanism” was proposed as the main reason for the increment of oxygen permeation in CH4-reforming membrane reactor; the reactive activity sequence of compositions on membrane surface was H2>CO>CH4; the main reaction on anode surface would turned into oxidation of H2 or CO from directly oxidation of CH4 and the oxygen permeation of membrane would be significantly increased as soon as the H2 or CO was added into CH4 gas; and the “lattice-oxygen-ion pattern” dominate the oxidated reaction on the membrane surface.
Key words: BaCo0.7Fe0.2Nb0.1O3-δ, Membrane reactor, Surface reaction mechanics, Lattice oxygen
CLC Number:
O643.3
TrendMD:
SHEN Pei-Jun, DING Wei-Zhong*, ZHANG Yu-Wen, ZHOU Yu-Ding, YANG Zhi-Bin, QIN Guo-Li. Reaction Mechanics on Anode Surface of BaCo0.7Fe0.2Nb0.1O3-δ Membrane Reactor[J]. Chem. J. Chinese Universities, doi: .
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URL: http://www.cjcu.jlu.edu.cn/EN/
http://www.cjcu.jlu.edu.cn/EN/Y2009/V30/I1/152