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Effect of additive in feedstock on performance of Ag-MoO3/ZrO2 catalyst for propylene epoxidation by molecular oxygen
Authors:Guojie Jin  Guanzhong Lu  Yanglong Guo  Yun Guo  Junsong Wang and Xiaohui Liu
Institution:(1) Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai Research Institute of Petrochemical Technology, SINOPEC, Shanghai 200237, P. R. China Shanghai 201208, P. R. China;(2) Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, P. R. China;(3) Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, P. R. China;(4) Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, P. R. China;(5) Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, P. R. China;(6) Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, P. R. China
Abstract:Summary The performance of the Ag-MoO3/ZrO2 catalyst for propylene epoxidation by molecular oxygen is influenced obviously by the composition of feedstock. As an additive in feedstock, the presence of organic chloride, CO2, NOx or H2 at a suitable concentration can improve the catalytic performance of Ag-MoO3/ZrO2 catalyst for the propylene epoxidation.
Keywords:Propylene epoxidation  silver-molybdena catalyst  additive  molecular oxygen
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