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Conversion of woody oil into bio-oil in a downdraft reactor using a novel silicon carbide foam supported MCM41 composite catalyst

机译:使用新型碳化硅泡沫支持的MCM41复合催化剂将木质油转化为下滑反应器中的生物油

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摘要

This study reports the synthesis of a SiC-MCM41 composite catalyst by a microwave-assisted hydrothermal process and the composite catalyst had the characteristics of MCM41 and SiC, and the surface of SiC grew evenly with a layer of MCM41 after characterization of the catalysts by various means (X-ray diffraction, Brunauer-Emmett-Teller, scanning electron microscopy). The catalyst was applied in the pyrolysis of waste oil to investigate how it influences the bio-oil component proportion compared with no catalyst, only SiC, only MCM41 catalysis and the catalytic effect was also investigated at different temperatures and different catalyst to feed ratios. In a downdraft system with a pyrolysis temperature of 550 degrees C, a catalyst to feed ratio of 1 : 2, and a catalytic temperature of 400 degrees C, 32.43% C-5-C-12 hydrocarbons and 41.10% mono-aromatics were obtained. The composite catalyst combined the catalytic effect of SiC and MCM41 because it increased the amount of C-5-C-12 hydrocarbons and decreased the amount of oxygen-containing compounds in bio-oil. After repeated uses, the composite catalyst still retained the catalytic properties.
机译:该研究报告了通过微波辅助水热法合成SiC-MCM41复合催化剂,复合催化剂具有MCM41和SiC的特征,并且SiC的表面均匀地在各种催化剂表征后与MCM41层均匀增长平均值(X射线衍射,Brunauer-Emmett-Teller,扫描电子显微镜)。将催化剂施用于废油的热解,研究其如何影响生物油组分比例与NO催化剂,仅在不同的温度和不同的催化剂中研究了MCM41催化剂和催化效果以供给比率。在具有550℃的热解温度的下降过程中,获得给进料比的催化剂为1:2,催化温度为400℃,32.43%C-5-C-12烃和41.10%单芳烃。 。复合催化剂组合SiC和MCM41的催化作用,因为它增加了C-5-C-12烃的量并降低了生物油中的含氧化合物的量。重复用途后,复合催化剂仍然保留催化性质。

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  • 来源
    《RSC Advances》 |2019年第34期|共11页
  • 作者单位

    Nanchang Univ State Key Lab Food Sci &

    Technol Nanchang 330047 Jiangxi Peoples R China;

    Nanchang Univ State Key Lab Food Sci &

    Technol Nanchang 330047 Jiangxi Peoples R China;

    Nanchang Univ State Key Lab Food Sci &

    Technol Nanchang 330047 Jiangxi Peoples R China;

    Nanchang Univ State Key Lab Food Sci &

    Technol Nanchang 330047 Jiangxi Peoples R China;

    Nanchang Univ State Key Lab Food Sci &

    Technol Nanchang 330047 Jiangxi Peoples R China;

    Nanchang Univ State Key Lab Food Sci &

    Technol Nanchang 330047 Jiangxi Peoples R China;

    Nanchang Univ State Key Lab Food Sci &

    Technol Nanchang 330047 Jiangxi Peoples R China;

    Nanchang Univ State Key Lab Food Sci &

    Technol Nanchang 330047 Jiangxi Peoples R China;

    Nanchang Univ State Key Lab Food Sci &

    Technol Nanchang 330047 Jiangxi Peoples R China;

    Nanchang Univ State Key Lab Food Sci &

    Technol Nanchang 330047 Jiangxi Peoples R China;

    Nanchang Univ State Key Lab Food Sci &

    Technol Nanchang 330047 Jiangxi Peoples R China;

    Nanchang Univ State Key Lab Food Sci &

    Technol Nanchang 330047 Jiangxi Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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