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Efficient conversion of cotton stalks over a Fe modified HZSM-5 catalyst under microwave irradiation

机译：在微波辐射下的Fe改性HZSM-5催化剂上高效转化棉秆

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摘要

Microwave-assisted catalytic liquefaction is a promising technology, which converts biomass to liquid valuable fuels via a fast and efficient way. In this study, HZSM-5 based catalysts were usefully obtained through the liquefaction of cotton stalk. Results showed that compared with the conventional thermal liquefaction process, microwave irradiation could promote the cleavage of C-C bonds, and the yield of aromatic compounds increased from 8.4% to 14.0%; doped amounts of Fe species to HZSM-5 distinctly improved the catalytic performance of the catalyst due to enhanced total and weak acid sites. It was found the increased total acid sites apparently facilitated the liquefaction yield of cotton stalk by 19.7%, while the weak acid sites promote the formation of aromatics and long-chain compounds.
机译：微波辅助催化液化是一种有前途的技术，通过快速有效的方式将生物质转化为液体有价值的燃料。 在该研究中，通过棉茎的液化，利用基于HZSM-5的催化剂。 结果表明，与传统的热液化过程相比，微波辐射可以促进C-C键的切割，芳族化合物的产率从8.4％增加至14.0％; 由于增强的总和弱酸位点，掺杂量为HZSM-5的Fe种，明显改善了催化剂的催化性能。 发现总酸部位显然促进了棉茎的液化产量19.7％，而弱酸位点促进了芳烃和长链化合物的形成。

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  • 来源
    《RSC Advances》 |2016年第34期|共6页
  • 作者

    Kong Xiangjin; Li Xiaole; Wu Shuxiang; Zhang Xin; Liu Junhai;

  • 作者单位

    Liaocheng Univ Sch Chem &

    Chem Engn Shandong Prov Key Lab Chem Energy Storage &

    Novel Liaocheng 252059 Peoples R China;

    Liaocheng Univ Sch Chem &

    Chem Engn Shandong Prov Key Lab Chem Energy Storage &

    Novel Liaocheng 252059 Peoples R China;

    Liaocheng Univ Sch Chem &

    Chem Engn Shandong Prov Key Lab Chem Energy Storage &

    Novel Liaocheng 252059 Peoples R China;

    Liaocheng Univ Sch Chem &

    Chem Engn Shandong Prov Key Lab Chem Energy Storage &

    Novel Liaocheng 252059 Peoples R China;

    Liaocheng Univ Sch Chem &

    Chem Engn Shandong Prov Key Lab Chem Energy Storage &

    Novel Liaocheng 252059 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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