Selective hydrogenation of biomass-derived carbonyl compounds with highly dispersed ZIF derived catalysts

被引：10

作者：

Li, Yunhua ^{[1
]}

Wang, Xihui ^{[1
]}

Lu, Junfeng ^{[1
]}

Wang, Kai ^{[1
]}

Zhang, Hua ^{[1
]}

Shen, Dazhi ^{[2
]}

机构：

[1] Xiamen Univ, Coll Chem & Chem Engn, Dept Chem & Biochem Engn, Xiamen 361005, Fujian, Peoples R China

[2] Minnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R China

来源：

JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS | 2019年 / 102卷

基金：

中国国家自然科学基金;

关键词：

Selective hydrogenation; Cobalt; Ruthenium; Metal-organic framework; Biomass; Carbonyl compounds; HYDRODEOXYGENATION; GRAPHENE; AMMONIA; ACID; CU;

D O I：

10.1016/j.jtice.2019.05.028

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Selective hydrogenation of biomass-derived oxygenated compounds to chemical and fuel is an important but challenging issue. In this paper, Co/NC catalysts with a Co species nanoparticle size from 0.4 to 6.6 nm are prepared by controlled calcination of ZIF-67. Ru-Co/NC is obtained by highly dispersed Co nanoparticle reducing Ru precursor. Co/NC-10 with 0.4nm Co species nanoparticle shows higher catalytic performances for selective hydrogenation of ethyl levulinate than the other Co based catalysts and results from literatures due to the highly dispersed Co species. However, Co/NC-10 presents the low hydrogenation activity for biomass-derived carbonyl compounds under milder reaction conditions. In comparison with Co/NC-10, Ru-Co/NC enhances hydrogenation performance of various biomass-derived carbonyl compounds in the presence of high dispersed Ru-Co alloy. Electron transferring from Co to Ru renders Co electropositive and Ru electronegative, facilitating adsorption and hydrogenation of C=O in carbonyl compounds on the interface of Ru delta--Co delta+. Additionally, hydrogenation performances of ethyl levulinate and furfural remain stable on Ru-Co/NC after three cycles. This work provides an effective way for the selective hydrogenation of C=O in biomass-derived compounds under mild conditions. (C) 2019 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

引用

页码：190 / 196

页数：7

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