中国炼油与石油化工（英文版）
中國煉油與石油化工（英文版）
중국련유여석유화공（영문판）
China Petroleum Processing and Petrochemical Technology
2015年
3期
61-66
,共6页
fresh Mo2C/γ-Al2O3 catalyst%hydrogenation%acetonitrile%in situ IR spectroscopy
The adsorption of acetonitrile, the co-adsorption of acetonitrile with CO, and hydrogenation of acetonitrile on fresh Mo2C/γ-Al2O3 catalyst were studied by in situ IR spectroscopy. It was found out that CH3CN exhibited strong interac-tion with the fresh Mo2C/γ-Al2O3 catalyst and was adsorbed mainly on Moδ+sites of fresh Mo2C/γ-Al2O3 catalyst. Moreover, CH3CN could affect the shifting of IR spectra for CO adsorption towards a lower wave number. The IR spectroscopic study on acetonitrile hydrogenation showed that CH3CN could be easily hydrogenated in the presence of H2 on the Mo2C/γ-Al2O3 catalyst. Furthermore, it was observed that CH3CN could be selectively hydrogenated to imines on fresh Mo2C/γ-Al2O3 catalyst. Additionally, the active sites of fresh Mo2C/γ-Al2O3 catalyst might be covered with coke during the hydrogenation reaction of acetonitrile. The treatment of catalyst with hydrogen at 673 K could not completely remove coke deposits on the surface of the Mo2C/γ-Al2O3 catalyst.
