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由不同镍盐前体制备高分散Ni/SBA-15催化剂:活化氛围的影响

任世彪 ,  沈周 ,  张萍 ,  王知彩 ,  雷智平 ,  潘春秀 ,  康士刚 ,  水恒福

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引用本文: 任世彪, 沈周, 张萍, 王知彩, 雷智平, 潘春秀, 康士刚, 水恒福. 由不同镍盐前体制备高分散Ni/SBA-15催化剂:活化氛围的影响[J]. 燃料化学学报, 2014, 42(5): 591-596. shu
Citation:  REN Shi-biao, SHEN Zhou, ZHANG Ping, WANG Zhi-cai, LEI Zhi-ping, PAN Chun-xiu, KANG Shi-gang, SHUI Heng-fu. Highly dispersed Ni/SBA-15 catalysts prepared with different nickel salts as nickel precursors:Effects of activation atmospheres[J]. Journal of Fuel Chemistry and Technology, 2014, 42(5): 591-596. shu

由不同镍盐前体制备高分散Ni/SBA-15催化剂:活化氛围的影响

  • 基金项目:

    Supported by the National Natural Science Foundation of China (U1361125, U1261208, 21176001, 51174254) (U1361125, U1261208, 21176001, 51174254)

    the Provincial Innovative Group for Processing & Clean Utilization of Coal Resource 

    the Innovative Research Team of Anhui University of Technology. 

摘要: 以硝酸镍和乙酸镍为镍前体,用浸渍法分别在空气和氢气氛围活化制得系列Ni/SBA-15催化剂,通过XRD、H2-TPD、N2物理吸附和在线质谱等物理化学手段对催化剂进行了表征,并结合微型高压反应釜萘加氢反应,评价了催化剂的加氢性能。结果表明,氢气氛围活化对硝酸镍为镍前体所制Ni/SBA-15催化剂的镍分散度和活性有显著促进作用,而空气氛围活化对乙酸镍为镍前体所制催化剂有明显促进作用。根据催化剂前体在不同氛围活化时的热分解产物,提出了活化氛围对不同镍前体制得Ni/SBA-15催化剂所产生的作用机理。

English

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  • 收稿日期:  2013-12-16
  • 网络出版日期:  2014-02-25
通讯作者: 陈斌, bchen63@163.com
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