Promotion of Sn on the Pd/AC catalyst for the selective hydrogenation of cinnamaldehyde

被引：33
|
作者：
Zhao, Jia [1 ]
Xu, Xiaoliang [1 ]
Li, Xiaonian [1 ]
Wang, Jianguo [1 ]
机构：
[1] Zhejiang Univ Technol, Ind Catalysis Inst, State Key Lab Breeding Base Green Chem Synth Tech, Hangzhou 310014, Zhejiang, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2014年 / 43卷
关键词：
Sn-modified; Pd-Sn alloy; Cinnamaldehyde; Selective hydrogenation; ADSORPTION;
D O I：
10.1016/j.catcom.2013.09.019
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 Sn on the Pd/AC catalysts for the selective hydrogenation of cinnamaldehyde (CALD) was investigated. TEM, EDX, XRD and XPS have been employed to characterize Pd-Sn/AC 80% cinnamyl alcohol (COL) selectivity can be obtained at 96% CALD conversion, even 100% selectivity can be achieved at 3% conversion. The PdSn type alloy is responsible for the enhancement of unsaturated alcohol (UA) selectivity, as confirmed by XRD and EDX, XPS technique confirmed that the promoting effect of Sn was related to Pd-Sn interaction. The favorable adsorption of C = O bond on the PdSn has been supported by means of density functional theory. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：102 / 106
页数：5
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