燃料化学学报（中英文）2024，Vol.52Issue(8)：1045-1056,12.DOI:10.1016/S1872-5813(24)60445-7
Cu/ZnO催化剂的金属载体相互作用及其对糠醛加氢制糠醇反应性能的影响
Effect of the metal-support interaction in the Cu/ZnO catalyst on its performance in the hydrogenation of furfural to furfuryl alcohol
摘要
Abstract
A series of Cu/ZnO catalysts were prepared by the coprecipitation method and the effect of Cu/Zn ratio on the strong metal support interaction(SMSI)as well as its relation to the catalytic performance of Cu/ZnO in the gaseous hydrogenation of furfural to furfuryl alcohol was investigated.The H2-TPR,XRD,SEM,TEM and XPS characterization results reveal that there exists the SMSI effect in the Cu/ZnO catalyst that influences the catalyst microstructure.ZnO support,acting as a geometric modifier on the active metal Cu particles,has a significant influence on the electronic state of the surface Cu species.The strength of SMSI is related to the Cu/Zn ratio and the SMSI strength of various Cu/ZnO catalysts follows the order of 20Cu/ZnO>40Cu/ZnO>60Cu/ZnO>80Cu/ZnO.Under the same reaction conditions,the lifetime of the 20Cu/ZnO catalyst with a furfural conversion of above 80%is only 5 h,in comparison with the lifetime of 28 h for the 60Cu/ZnO catalyst.That is,appropriate SMSI can enhance the stability of the Cu/ZnO catalyst in the hydrogenation of furfural to furfuryl alcohol,whereas excessive SMSI is detrimental to the catalyst activity.关键词
Cu/ZnO催化剂/金属载体强相互作用/几何修饰作用/糠醛加氢/糠醇Key words
Cu/ZnO catalyst/strong metal-support interaction/geometric modification/furfural hydrogenation/furfuryl alcohol分类
化学化工引用本文复制引用
于欣瑞,张金玉,杨海兴,种思颖,刘蝈蝈,张雅静,王康军..Cu/ZnO催化剂的金属载体相互作用及其对糠醛加氢制糠醇反应性能的影响[J].燃料化学学报（中英文）,2024,52(8):1045-1056,12.基金项目
The project was supported by Liaoning Innovation Talents Program in University(Liao[2020]389),Liaoning Provincial Education Department(LJKQZ20222266)and Shenyang Young and Middle-aged Science&Technology Talents Program(RC210365),Joint Funds of Liaoning Provincial Department of Science and Technology(2023-BSBA-276),Dabiaolixiang Project(LDB2022001)辽宁省高等学校创新人才支持计划(辽教函[2020]389号),辽宁省教育厅项目(LJKQZ20222266),沈阳市中青年科技创新人才支持计划(RC210365),辽宁省科技厅联合基金(2023-BSBA-276)和达标立项项目(LDB2022001)资助 （Liao[2020]389）
