Catalytic hydrotreatment of humins into cyclic hydrocarbons over solid acid supported metal catalysts in cyclohexane

Junmin Sun; Hai Cheng; Yao Zhang; Yinmin Zhang; Xunfeng Lan; Yongfeng Zhang; Qineng Xia; Daqian Ding

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Catalytic hydrotreatment of humins into cyclic hydrocarbons over solid acid supported metal catalysts in cyclohexane

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Humins are common undesirable sideproducts during many acid-catalyzed reactions in renewable biomass platform conversion. However, few studies have been reported to the efficient utilization of humins.For the first time, the selective catalytic conversion of biomass-derived humins into cyclic hydrocarbons with high conversion rate and selectivity is presented using a home-made Ru/W-P-Si-O bifunctional catalyst. The multistage polymerization structure of humins was studied through controlled experiments.Results show that the CAC bond network can be efficiently depolymerized at a mild reaction temperature of 340–380 °C, catalyzed by the cooperative catalysis of nano-Ru particles and porous strong Lewis solid acid. Particularly, 95.4% conversion of humins was achieved under the optimal condition with up to 88.3%yield of cyclic hydrocarbons. The detailed composition after liquefaction was also analyzed. This study paves the way for the efficient production of cyclic and aromatic hydrocarbons from furan-derived humin polymer through Lewis acid-catalyzed Diels–Alder reactions between furan rings.

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《能源化学：英文版》 |2021年第2期|P.329-339I0011|共12页
作者
Junmin Sun; Hai Cheng; Yao Zhang; Yinmin Zhang; Xunfeng Lan; Yongfeng Zhang; Qineng Xia; Daqian Ding;
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作者单位

Key Laboratory for EJicient Conversion and Circulr Economy Coal ehemical Engneeing collge Inner Mongolia Lnverity of Techrolog Hohhot 10051 Inner Mongolia China College of Biological Chemical Science and Engineering jiaxing University Jiaxing 314001 Zhejiang China;

Key Laboratory for EJicient Conversion and Circulr Economy Coal ehemical Engneeing collge Inner Mongolia Lnverity of Techrolog Hohhot 10051 Inner Mongolia China College of Biological Chemical Science and Engineering jiaxing University Jiaxing 314001 Zhejiang China;

Key Laboratory for EJicient Conversion and Circulr Economy Coal ehemical Engneeing collge Inner Mongolia Lnverity of Techrolog Hohhot 10051 Inner Mongolia China College of Biological Chemical Science and Engineering jiaxing University Jiaxing 314001 Zhejiang China;

Key Laboratory for EJicient Conversion and Circulr Economy Coal ehemical Engneeing collge Inner Mongolia Lnverity of Techrolog Hohhot 10051 Inner Mongolia China College of Biological Chemical Science and Engineering jiaxing University Jiaxing 314001 Zhejiang China;

Key Laboratory for EJicient Conversion and Circulr Economy Coal ehemical Engneeing collge Inner Mongolia Lnverity of Techrolog Hohhot 10051 Inner Mongolia China College of Biological Chemical Science and Engineering jiaxing University Jiaxing 314001 Zhejiang China;

Key Laboratory for EJicient Conversion and Circulr Economy Coal ehemical Engneeing collge Inner Mongolia Lnverity of Techrolog Hohhot 10051 Inner Mongolia China College of Biological Chemical Science and Engineering jiaxing University Jiaxing 314001 Zhejiang China;

Key Laboratory for EJicient Conversion and Circulr Economy Coal ehemical Engneeing collge Inner Mongolia Lnverity of Techrolog Hohhot 10051 Inner Mongolia China College of Biological Chemical Science and Engineering jiaxing University Jiaxing 314001 Zhejiang China;

Key Laboratory for EJicient Conversion and Circulr Economy Coal ehemical Engneeing collge Inner Mongolia Lnverity of Techrolog Hohhot 10051 Inner Mongolia China College of Biological Chemical Science and Engineering jiaxing University Jiaxing 314001 Zhejiang China;

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正文语种 chi
中图分类物理化学（理论化学）、化学物理学;
关键词
Humins; Hydrotreatment; Hydrodeoxygenation; Bifunctional catalyst; Diels–Alder reaction; Retro aldol condensation;

机译：湿润;加氢处理;加氢脱氧;双官能催化剂;Diels-Alder反应;复古醛醇凝结;

Catalytic hydrotreatment of humins into cyclic hydrocarbons over solid acid supported metal catalysts in cyclohexane

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