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Li_2SO_4-Mn_xO_y/TiO_2 CATALYST FOR ETHYLENE SYNTHESIS BY CATALYTIC OXIDATION OF METHANE
摘    要:The synthesis of ethylene by catalytic oxidation of methane over Li-2SO_4-Mn_xO_y/TiO_2 wascarried out in a conventional fixed bed flow reactor.A 246-h life test of the catalyst under the condi-tions of normal pressure,1073K,2g of catalyst,and flow rate(ml/min)CH_4:O_2:N_2=15:6:15showed that the C_2 yield and C_2 selectivity were 30.8%(C_2H_4 19.8%)and 82.5% respectively.XRDpatterns of this multicomponent catalyst revealed that the support TiO_2 was mostly converted intofutile,MnTiO_3 was the main active component,LiMnO_2,Li_2TiO_3 and TiOSO_4 were the active andoxidation-controlling components.

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