Citation:
YANG Zhi-Bin, DING Wei-Zhong. Reaction Pathway for Reforming Coke Oven Gas over NiO/M Catalyst in an Oxygen Permeation Membrane Reactor[J]. Acta Physico-Chimica Sinica,
;2012, 28(04): 935-941.
doi:
10.3866/PKU.WHXB201202133
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The reaction pathway for reforming coke oven gas (COG) in an oxygen permeation membrane was analyzed. Through the reforming experiments of H2+N2, CH4+N2, CO+N2, H2+CH4+N2 mixtures, with or without a catalyst and the catalyst bed, the reaction scheme is proposed: H2 in COG is absorbed and dissociates on Ni particle on catalyst, the H* of dissociation migrates to high active site (“triphase boundary”) and reacts with diffused oxygen or lattice oxygen on film surface to form H2O. The CH4 also could be dissociated on active metal surface to form CH3* and H*. The H2O formed reacts with the C species to form H2 and CO. At last the residual H2O reacts with the residual CH4 on the catalyst bed to form H2 and CO.
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