Synergetic promotion of Ba, Cs and Cl to silver supported catalyst for butadiene epoxidation |
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| Authors: | Huanling Song Gexin Chen Shuben Li Shuwen Luo Cailan Yao and Jishuan Suo |
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| Institution: | (1) State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China;(2) State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China;(3) State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China;(4) State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China;(5) State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China;(6) State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China |
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| Abstract: | Summary Ag/ -Al2O3 catalysts promoted by Ba, Cs and Cl were prepared and evaluated for butadiene epoxidation. The results indicated that Cs could enhance butadiene conversion, Cl was favorable for improving the selectivity to vinyloxirane (VO), and Ba probably plays an important role for catalyst stability during the long time on stream operation. |
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| Keywords: | Butadiene epoxidation silver catalyst promotion |
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