Co-metal induced stabilization of alumina-supported copper: impact on the hydrogenolysis of glycerol to 1,2-propanediol

被引：16

作者：

Bouriakova, Alexandra ^{[1
]}

Mendes, Pedro S. F. ^{[1
]}

Katryniok, Benjamin ^{[2
]}

Clercq, Jeriffa De ^{[3
]}

Thybaut, Joris W. ^{[1
]}

机构：

[1] Univ Ghent, Chem Technol Lab, Dept Mat Text & Chem Engn, Technol Pk 125, B-9052 Zwijnaarde, Belgium

[2] Univ Artois, Univ Lille, Cent Lille, CNRS,UCCS Unite Catalyse & Chim Solide,UMR 8181, F-59000 Lille, France

[3] Univ Ghent, Ind Catalysis & Adsorpt Technol, Dept Mat Text & Chem Engn, Valentin Vaerwyckweg 1, B-9000 Ghent, Belgium

来源：

CATALYSIS COMMUNICATIONS | 2020年 / 146卷 / 146期

基金：

欧洲研究理事会;

关键词：

Copper catalyst; Bimetallic; Stability; Glycerol hydrogenolysis; 1,2-propanediol; Propylene glycol; AMMONIA-SYNTHESIS; CATALYSTS; CE; DEACTIVATION; PROMOTERS; KINETICS; BARIUM;

D O I：

10.1016/j.catcom.2020.106134

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：

The effect of Ba, Ce, Cs and La as co-metals in Cu/gamma-Al2O3 catalysts for the hydrogenolysis of glycerol into 1,2propanediol was investigated at industrially relevant reaction conditions over time. The addition of Ba or Ce increased the initial activity per Cu-0 accessible site. Apart from Cs, the co-metals increased the selectivity towards 1,2-propanediol, up to 96% (Ba). The co-metals inhibited sintering and stabilized the Cu particle size during reaction, by decreasing the particle growth by a factor of 10. Overall, co-metals mainly influenced the selectivity and stabilized the Cu particle.

引用

页数：5

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