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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
Source PublicationRSC ADVANCES
Volume6Issue:7Pages:5214-5222
AbstractThe 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.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c5ra23041a
WOS Subject ExtendedChemistry
WOS KeywordCORE-SHELL NANOCATALYSTS ; BIO-OIL ; SULFIDED COMO/GAMMA-AL2O3 ; NANOPARTICLE CATALYSTS ; HYDROGENOLYSIS PROCESS ; METAL-CATALYSTS ; GUAIACYL GROUPS ; IONIC LIQUIDS ; HYDRODEOXYGENATION ; NICKEL
Indexed BySCI
Language英语
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000368941700010
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11010
Collection中国科学院广州能源研究所
Affiliation1.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
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
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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