燃料化学学报（中英文）2024，Vol.52Issue(8)：1088-1094,7.DOI:10.1016/S1872-5813(24)60439-1
ZrO2修饰对Co/SiC催化剂的费托合成性能影响
The promotional effects of ZrO2 modification on the activity and selectivity of Co/SiC catalysts for Fischer-Tropsch synthesis
摘要
Abstract
Co/SiC catalysts have exhibited excellent performance in Fischer-Tropsch synthesis reaction.However,few research focuses on investigating the effect of SiC supports surface properties of on catalyst performance.In this study,ZrO2 was utilized to modify the SiC surface,leading to the preparation of a series of Co-ZrO2/SiC catalysts.The physicochemical properties of the catalyst were comprehensively analyzed by using N2 adsorption,XRD,H2-TPR,XPS analyses.Catalytic performance was evaluated using a fixed bed reactor,shedding light on the effect of ZrO2 modified SiC support on cobalt-based Fischer-Tropsch synthesis catalysts.The results indicated that ZrO2 surface modification on SiC resulted in an enhanced reduction degree of Co/SiC catalysts.Additionally,ZrO2 exhibited strong interaction with the amorphous phase on the SiC surface,thereby weakening the interaction between Co and the amorphous phase.This led to an increase in the electron density of cobalt species,consequently improving the selectivity of Co/SiC catalysts towards long-chain hydrocarbons.关键词
钴基催化剂/SiC/ZrO2/费托合成Key words
cobalt-based catalyst/SiC/ZrO2/Fischer-Tropsch synthesis分类
化学化工引用本文复制引用
王民,郭舒鹏,许金山,李留忠,陈从标,马中义,贾丽涛,侯博,李德宝..ZrO2修饰对Co/SiC催化剂的费托合成性能影响[J].燃料化学学报（中英文）,2024,52(8):1088-1094,7.基金项目
The project was supported by the Natural Science Foundation of Shanxi Province(202203021212005),Basic Research Program of Shanxi Province(20210302124466),Central Guidance for Local Scientific and Technological Development Funds(YDZJSX2021C041)and the Innovation Fund Project by ICC CAS(SCJC-DT-2022-06).山西省自然科学基金(202203021212005),山西省基础研究计划(20210302124466),中央引导地方科技发展资金(YDZJSX2021C041)和中国科学院山西煤炭化学研究所创新基金(SCJC-DT-2022-06)资助 （202203021212005）
