Novel fabrication of copper oxides on AC and its enhanced catalytic performance on oxidative carbonylation of methanol

作     者：Ke Shi Shou-Ying Huang Zhong-Yao Zhang Sheng-Ping Wang Xin-Bin Ma 

作者机构：Key Laboratory for Green Chemical Technology School of Chemical Engineering and Technology Tianjin University Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China 

出 版 物：《Chinese Chemical Letters》 (中国化学快报（英文版）)

年 卷 期：2017年第28卷第1期

页      面：70-74页

核心收录：

学科分类：081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 

基　　金：Financial support from the National Natural Science Foundation of China (Nos. 21325626, 21406120, U1510203) the Postdoctoral Science Foundation of China (Nos. 2014M560181, 2015T80214) 

主　　题：Dimethyl carbonate Oxidative carbonylation Copper oxides Vapor-phase methanol reduction Activated carbon 

摘      要：Copper oxides（CuOx） nanoparticles dispersed on activated carbon（AC） were prepared by using vaporphase methanol as the reducing agent. The CuOx/AC as prepared exhibited an enhanced catalytic activity in oxidative carbonylation of methanol to dimethyl carbonate（DMC）. The catalytic performance was significantly influenced by reduction conditions including temperature and time. With the similar selectivity of DMC, the space time yield（STY） under optimal reduction conditions reached up to 408 mg g^-1h^-1, which is superior to conventional methods such as thermolysis and solvothermal reduction. Based on the characterization results of XRD, TEM and XPS, the good copper dispersion and high Cu^＋ content obtained by vapor-phase methanol reduction were mainly responsible for the high catalytic activity.