高效镍基催化剂催化糠醛转移加氢制备糠醇
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1.河北大学 化学与材料科学学院;2.开滦能源化工股份有限公司

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河北省重大科技成果转化专项(22281403Z);保定市科技计划项目(2394F002)


Preparation of furfuryl alcohol by hydrogen-transfer hydrogenation of furfural over high efficiency Ni-based catalyst
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1.Hebei University, College of Chemistry and Materials Science;2.Kailuan Energy Chemical Co., Ltd

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    摘要:

    构筑了一种高效镍基催化剂用于无氢气条件下催化生物质平台分子糠醛加氢制备糠醇的研究。通过不同制备方法制备了三种NiAl催化剂,考察了催化剂对糠醛(FAL)加氢制备糠醇(FOL)的催化性能。利用XRD、H2-TPR、TEM、NH3-TPR、XPS等表征对催化剂的物理化学性质进行了系统研究,结果表明:水热法制备的催化剂NiAl-HT具有较大的比表面积、丰富的酸性位点、镍纳米粒子分布均匀、活性中心Ni和载体AlOx之间存在强相互作用,使其在FAL转移加氢反应中具有优异的催化性能。在140 ℃、氮气压力0.5 Mpa的条件下反应60 min,FAL的转化率和FOL选择性均高达99.9%。

    Abstract:

    A high efficiency nickel-based catalyst was developed for catalytic hydrogenation of furfural from biomass platform molecule to furfuryl alcohol in the absence of hydrogen. Three kinds of NiAl catalysts were prepared by different preparation methods, and the catalytic performance of the catalysts was investigated in the hydrogenation of furfural (FAL) to furfuryl alcohol (FOL). The physical and chemical properties of the catalysts were systematically studied by XRD, H2-TPR, TEM, NH3-TPR and XPS. The catalyst NiAl-HT prepared by hydrothermal method has larger specific surface area, abundant acidic sites, uniform distribution of Ni nanoparticles, and strong interaction between the Ni and AlOx supports, which results in the excellent catalytic performance of NiAl-HT in FAL transfer hydrogenation reaction. Under the optimized conditions, 140 oC , 0.5 Mpa nitrogen pressure and 60 min reaction time, the conversion of FAL and FOL selectivity are both as high as 99.9%.

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刘秋玲,陈毅,张倩,刘树俊,吕运开,牛立博.高效镍基催化剂催化糠醛转移加氢制备糠醇[J].精细化工,2025,42(5):

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  • 收稿日期:2024-05-27
  • 最后修改日期:2024-07-22
  • 录用日期:2024-07-01
  • 在线发布日期: 2025-04-27
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