文献类型：期刊文献

英文题名：Synthesis of 1,3-propanediol through diethyl malonate hydrogenation on Cu/SiO2 nanoparticles

作者：Ding, Tongmei[1];Tian, Hengshui[1];Zhao, Bingqin[1]

机构：[1]East China Univ Sci & Technol, Dept Chem Engn, Shanghai 200237, Peoples R China

年份：2016

卷号：118

期号：2

起止页码：497

外文期刊名：REACTION KINETICS MECHANISMS AND CATALYSIS

收录：;EI(收录号：20160902037699);WOS:【SCI-EXPANDED(收录号:WOS:000379345000011)】；

语种：英文

外文关键词：Amount of ammonia; Diethyl malonate; 1,3-Propanediol; Cu/SiO2; Hydrogenation

摘要：The gas-phase hydrogenation of diethyl malonate to 1,3-propanediol has been studied over Cu/SiO2 nanoparticles. The influence of the ammonia amount was investigated on the catalyst properties and moreover on the hydrogenation of diethyl malonate to 1,3-propanediol in the liquid hourly space velocity of 0.72-1.8 h(-1). N-2-physisorption, X-ray diffraction, Fourier transform infrared spectroscopy, transmission electron microscopy and H-2-temperature-programmed reduction were used to characterize the textural and structural properties of Cu/SiO2 catalysts. The amount of ammonia played a profound effect on the morphology and the dispersion of copper species. Cu/SiO2 catalyst with the molar ratio of n(NH3 center dot H2O)/n(Cu2+) = 2 gained better dispersion, smaller particle size and less dependence to agglomerate of copper species and thus had a higher selectivity for 1,3-propanediol.