文献类型：期刊文献

英文题名：Selective hydrodeoxygenation of guaiacol to cyclohexanol over core-shell Cox@C@Ni catalysts under mild condition

作者：Ge, Fei[1] Xia, Haihong[2] Li, Jing[2] Yang, Xiaohui[2] Zhou, Minghao[1] Jiang, Jianchun[2]

第一作者：Ge, Fei

通信作者：Zhou, MH[1]

机构：[1]Yangzhou Univ, Sch Chem & Chem Engn, Yangzhou 225002, Peoples R China;[2]Chinese Acad Forestry, Inst Chem Ind Forest Prod, Nanjing 210042, Peoples R China

年份：2023

卷号：245

外文期刊名：FUEL PROCESSING TECHNOLOGY

收录：;EI(收录号：20230042082);Scopus(收录号：2-s2.0-85150837205);WOS:【SCI-EXPANDED(收录号:WOS:000955625100001)】；

基金：Authors are grateful for the financial support from the National Key R & D Program of China (No. 2022YFB4201803) and Green Yang Jinfeng project (YZLYJFJH2021YXBS082).

语种：英文

外文关键词：Guaiacol; Hydrodeoxygenation; Core-shell; H-donor solvent

摘要：Guaiacol, a typical lignin-derived phenolic compound, can be converted to high value-added cyclohexanol through hydrodeoxygenation (HDO). In this work, a series of core-shell Cox@C@Ni catalysts were prepared via two-step hydrothermal and calcination treatments, and applied to catalyze guaiacol to cyclohexanol. Compared with Co@C catalyst, core-shell Cox@C@Ni catalysts exhibited much better catalytic performance. Almost 100% guaiacol conversion and 90% cyclohexanol selectivity were achieved over Co1.2@C@Ni catalyst at 220 degrees C, 0 MPa N2 for 2 h using isopropanol as H-donor solvent, which was carried out under much milder conditions compared with previous research. The structure feature of core-shell Cox@C@Ni catalysts were analyzed by BET, XRD, SEM, TEM, HRTEM, etc. The catalyst compositions and acidities played a significant role on hydrodeoxygenation of guaiacol via ICP and NH3-TPD analysis. The influences of reaction temperature, reaction time and initial nitrogen pressure were also investigated to explore the optimal reaction condition. Moreover, the possible reaction pathways and reaction mechanism was deduced based on the product distributions and physicochemical properties.