Effect of promoters on hydrogenation of diethyl malonate to 1,3-propanediol over nano copper-based catalysts

被引：14

作者：

Ding, Tongmei ^{[1
]}

Tian, Hengshui ^{[1
]}

Liu, Jichang ^{[1
]}

Wu, Wenbin ^{[1
]}

Zhao, Bingqin ^{[1
]}

机构：

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

来源：

CATALYSIS COMMUNICATIONS | 2016年 / 74卷

关键词：

Copper-based catalyst; Hydrogenation; Diethyl malonate; 1,3-propanediol; Copper phyllosilicate; DIMETHYL OXALATE; ETHYLENE-GLYCOL; CU/SIO2; CATALYST; CHEMOSELECTIVE SYNTHESIS; GLYCEROL HYDROGENOLYSIS; STRUCTURAL EVOLUTION; PERFORMANCE; OXIDE; STABILITY; TEXTURE;

D O I：

10.1016/j.catcom.2015.10.031

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：

Copper-based catalysts were prepared via ammonia evaporation co-precipitation method. Structure evolutions of the catalysts were systematically characterized by XRD, FTIR, TG, SEM, N-2-physisorption, ICP-AES, N2O chemisorption and XPS focusing on the influence of promoters on the catalytic behavior in the hydrogenation of diethyl malonate to 1,3-propanediol. The results showed that diethyl malonate conversion and 1,3-propanediol selectivity could reach 96.71% and 29.76% respectively at 473 K with 2.0 MPa and 1.8 h(-1) with boron as promoter. The improved catalytic performance of Cu-B/SiO2 catalyst could be attributed to more Cu formed with the inhibition of copper phyllosilicate and better dispersion of copper species. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：10 / 15

页数：6

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