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Catalytic reforming of tar during gasification. Part II. Char as a catalyst or as a catalyst support for tar reforming

机译:气化过程中焦油的催化重整。第二部分焦炭作为焦油重整的催化剂或催化剂载体

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摘要

Char, char-supported catalysts and ilmenite were investigated for the steam reforming of biomass tar derived from the pyrolysis of mallee wood in situ. Special attention was given to the reforming of aromatic ring systems in tar. The results indicated that the char-supported ironickel catalysts exhibited much higher activity for the reforming of tar than the char itself. Ilmenite and the char-supported iron catalyst contained similar active phase but showed different tar reforming activities. Kinetic compensation effects demonstrated that the reaction pathways on the char-supported catalysts were similar but were different from those on ilmenite. The proprieties of support could play important roles for the activities of the catalysts and the reaction pathways on the catalysts. Char would not only disperse the catalysts but also interact with the catalysts to enhance their activity for the steam reforming of tar.
机译:研究了炭,炭载催化剂和钛铁矿对原木热裂解产生的生物质焦油进行蒸汽重整的过程。特别关注了焦油中芳环系统的重整。结果表明,焦炭负载的铁/镍催化剂显示出比焦炭本身高得多的焦油重整活性。钛铁矿和炭载铁催化剂具有相似的活性相,但显示出不同的焦油重整活性。动力学补偿效应表明,在炭载催化剂上的反应途径相似,但与钛铁矿不同。载体的适当性对于催化剂的活性和催化剂上的反应路径可能起重要作用。炭不仅会分散催化剂,而且还会与催化剂相互作用,以增强其对焦油蒸汽重整的活性。

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  • 来源
    《Fuel》 |2011年第7期|p.2545-2552|共8页
  • 作者单位

    Fuels and Energy Technology Institute, GPO Box U1987, Curtin University of Technology, Western Australia 6845, Australia Department of Chemical Engineering, PO Box 36, Monash University, Victoria 3800, Australia;

    Department of Chemical Engineering, PO Box 36, Monash University, Victoria 3800, Australia;

    Fuels and Energy Technology Institute, GPO Box U1987, Curtin University of Technology, Western Australia 6845, Australia Department of Chemical Engineering, PO Box 36, Monash University, Victoria 3800, Australia;

    Fuels and Energy Technology Institute, GPO Box U1987, Curtin University of Technology, Western Australia 6845, Australia Department of Chemical Engineering, PO Box 36, Monash University, Victoria 3800, Australia;

    Fuels and Energy Technology Institute, GPO Box U1987, Curtin University of Technology, Western Australia 6845, Australia Department of Chemical Engineering, PO Box 36, Monash University, Victoria 3800, Australia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    char-supported iron catalyst; steam reforming; tar reforming; hot gas cleaning;

    机译:炭载铁催化剂;蒸汽重整;焦油重整热气清洗;

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