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Investigating the performance of Co_xO_y/activated carbon catalysts for ethyl acetate catalytic combustion

机译:研究Co_xO_y /活性炭催化剂在乙酸乙酯催化燃烧中的性能

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摘要

The catalytic properties of Co-supported activated carbon (AC) catalysts for ethyl acetate catalytic elimination in air were investigated. Results showed that air atmosphere promoted the generation of high-valence state cobalt oxides, and promote the production of reactive oxygen species (ROS) in the Co_3O_4/AC catalyst. ROS crucially functioned in improving the catalytic activity of Co_3O_4/AC catalysts. Therefore, CoACA catalyst prepared in air exhibited higher catalytic activity than CoACN catalyst prepared in nitrogen, and CoACA catalyst led to high ethyl acetate conversion (>93%) and stability at a low reaction temperature (210℃).
机译:研究了钴负载活性炭(AC)催化剂在空气中消除乙酸乙酯催化的催化性能。结果表明,空气气氛促进了高价态钴氧化物的生成,并促进了Co_3O_4 / AC催化剂中活性氧物种(ROS)的产生。 ROS在改善Co_3O_4 / AC催化剂的催化活性中起关键作用。因此,在空气中制备的CoACA催化剂显示出比在氮气中制备的CoACN催化剂更高的催化活性,并且CoACA催化剂在较低的反应温度(210℃)下具有较高的乙酸乙酯转化率(> 93%)和稳定性。

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  • 来源
    《Applied Surface Science》 |2015年第30期|119-123|共5页
  • 作者单位

    Key Laboratory of Catalysis Science and Technology of Chongqing Education Commission, Department of Chemistry and Chemical Engineering, College of Environmental and Biological Engineering, Chongqing 400067, China;

    Shaanxi Yanchang Petroleum (Group) Co., Ltd., Xi'an 770075, Shaanxi, China;

    Key Laboratory of Catalysis Science and Technology of Chongqing Education Commission, Department of Chemistry and Chemical Engineering, College of Environmental and Biological Engineering, Chongqing 400067, China;

    Key Laboratory of Catalysis Science and Technology of Chongqing Education Commission, Department of Chemistry and Chemical Engineering, College of Environmental and Biological Engineering, Chongqing 400067, China;

    Key Laboratory of Catalysis Science and Technology of Chongqing Education Commission, Department of Chemistry and Chemical Engineering, College of Environmental and Biological Engineering, Chongqing 400067, China;

    State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Cobalt oxide catalyst; Ethyl acetate; Volatile organic substance; Catalytic combustion; Reactive oxygen species;

    机译:氧化钴催化剂;乙酸乙酯;挥发性有机物质;催化燃烧;活性氧;

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