Chinese Journal of Applied Chemistry ›› 2021, Vol. 38 ›› Issue (4): 414-421.DOI: 10.19894/j.issn.1000-0518.200283

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Effect of Synthesis Conditions of Vanadium Phosphorus Oxygen (VPO) Catalyst on Catalytic Performance for Selective Oxidation of Butane

XIE Zhi-Qi1,2,3, ZHANG Ting1,3, LI Ying-Wei1,3, WANG Zhou-Jun2, DAI Fei1,3, ZHANG Rui-Rui1,3*, LIU Rui-Xia1,3*   

  1. 1Beijing Key Laboratory of Ionic Liquids Clean Process, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
    2State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
    3Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing 100190, China
  • Online:2021-06-01
  • Supported by:
    Supported by the National Key R&D Program of China(No.2017YFA0206803), the Key Research Program of the Chinese Academy of Sciences(No.KFZD-SW-413) and the National Natural Science Foundation of China(Nos.22078338, 21808223)

Abstract: Oxidation of n-butane to maleic anhydride (MA) is a typical representative of selective oxidation of light alkanes, and vanadium phosphorus oxide (VPO) catalyst is the most effective and only industrial catalyst for this reaction. In this thesis, by adjusting three groups of experimental parameters including reduction time, reflux time and P/V ratio, a series of VPO catalysts was synthesized. Combined with a variety of analysis methods, the influence of synthesis conditions on the catalyst structure was explored to accurately construct VPO catalysts, and the optimal synthesis conditions were obtained, the conversion and yield of MA were 93.8% and 62.4% respectively. Furthermore, the structure-activity relationship of VPO catalysts for catalyzing selective oxidation of n-butane to MA was revealed.

Key words: Vanadium phosphorus oxide, Synthesis conditions, n-Butane, Selective oxidation, Maleic anhydride

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