Promoting effect of Ru on Ir-ReOx/SiO2 catalyst in hydrogenolysis of glycerol

被引：71
作者：
Tamura, Masazumi [1 ]
Amada, Yasushi [1 ]
Liu, Sibao [1 ]
Yuan, Zhenle [1 ]
Nakagawa, Yoshinao [1 ]
Tomishige, Keiichi [1 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2014年 / 388卷
关键词：
Hydrogenolysis; Glycerol; 1,3-Propanediol; 1-Propanol; ION-EXCHANGE-RESIN; RAY-ABSORPTION SPECTROSCOPY; CU-ZNO CATALYSTS; SELECTIVE HYDROGENOLYSIS; REACTION-MECHANISM; PROPYLENE-GLYCOL; PLATINUM PARTICLES; PARTIAL OXIDATION; AQUEOUS-SOLUTION; FINE-STRUCTURE;
D O I：
10.1016/j.molcata.2013.09.015
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Ru-added Ir-ReOx/SiO2 catalysts worked as efficient catalysts for the selective hydrogenolysis of glycerol to 1,3-propanediol and 1-propanol. 0.9 wt% Ru-added Ir-ReOx/SiO2 catalyst demonstrated high activity for the hydrogenolysis of glycerol to 1,3-propanediol with high selectivity comparative to Ir-ReOx/SiO2. In addition, 4.4 wt% Ru-added Ir-ReOx/SiO2 catalyst with H(2)SO(4)aq showed high activity for the selective hydrogenolysis of glycerol to 1-propanol, and the yields of 1-propanol and total propanols (1-propano1+2-propanol) were 71% and 84%, respectively. On the basis of various analyses such as TPR (temperature-programmed reduction), XRD, XAFS and CO adsorption, the structure and reaction mechanism of Ru-added Ir-ReOx/SiO2 catalysts were proposed. (C) 2013 Elsevier B.V. All rights reserved.
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收藏
页码：177 / 187
页数：11
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