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Hydrogenation of lignin-derived phenolic compounds over step by step precipitated Ni/SiO2
Shu, Riyang1,2; Zhang, Qi1; Xu, Ying1; Long, Jinxing1; Ma, Longlong1; Wang, Tiejun1; Chen, Pengru1,2; Wu, Qingyun1
2016
发表期刊RSC ADVANCES
卷号6期号:7页码:5214-5222
摘要The harsh reaction conditions for the valorization of lignin-derived phenolic compounds considerably limit the efficient utilization of the lignin derivatives. Here, we put forward a high efficient and selective hydrogenation process for phenolic compounds at a mild condition over step by step precipitated Ni/SiO2 catalyst. The properties of the Ni/SiO2 catalysts by different preparation methods were detailedly compared using various characterization measurements. Catalytic activity of the catalysts was tested by the hydrogenation of guaiacol, and the results showed that guaiacol could be completely converted into cyclohexanol with 99.9% selectivity at 120 degrees C, 2 MPa H-2 atmosphere for 2 h. Other typical lignin-derived phenolic compounds also had excellent hydrogenation performance and great energy efficiency. Catalyst characterization results demonstrated that the high catalytic activity of the step by step precipitated Ni/SiO2 was mainly ascribed to its polyporous spherical structure, which led to the large specific surface area and high nickel dispersion. The appropriate acidity of the catalyst also promoted the catalytic performance significantly. Furthermore, the catalyst exhibited an excellent recyclability, where no significant loss of the catalytic activity was showed out after 3 runs.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c5ra23041a
研究领域[WOS]Chemistry
关键词[WOS]CORE-SHELL NANOCATALYSTS ; BIO-OIL ; SULFIDED COMO/GAMMA-AL2O3 ; NANOPARTICLE CATALYSTS ; HYDROGENOLYSIS PROCESS ; METAL-CATALYSTS ; GUAIACYL GROUPS ; IONIC LIQUIDS ; HYDRODEOXYGENATION ; NICKEL
收录类别SCI
语种英语
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000368941700010
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/11010
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Shu, Riyang,Zhang, Qi,Xu, Ying,et al. Hydrogenation of lignin-derived phenolic compounds over step by step precipitated Ni/SiO2[J]. RSC ADVANCES,2016,6(7):5214-5222.
APA Shu, Riyang.,Zhang, Qi.,Xu, Ying.,Long, Jinxing.,Ma, Longlong.,...&Wu, Qingyun.(2016).Hydrogenation of lignin-derived phenolic compounds over step by step precipitated Ni/SiO2.RSC ADVANCES,6(7),5214-5222.
MLA Shu, Riyang,et al."Hydrogenation of lignin-derived phenolic compounds over step by step precipitated Ni/SiO2".RSC ADVANCES 6.7(2016):5214-5222.
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