| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 6503067 | Catalysis Communications | 2018 | 19 Pages |
Abstract
CuO-ZnO/SiO2 catalysts with various Zn/Cu molar ratios were prepared by precipitation and characterized by XRD, H2-TPR, TEM, XAES and catalytic performance for hydrogenation of dimethyl oxalate. Characterizations revealed that suitable zinc incorporation resulted in higher Cu+ content on the surface of catalysts, better dispersion of Cu0 particles and better sintering resistance. Cu0.8Zn0.2/SiO2 exhibited the best activity and sintering resistance with 99.5% DMO conversion and 91.5%selectivity to ethylene glycol, after deactivation treatment (Tâ¯=â¯400â¯Â°C, H2 atmosphere, 2.0â¯h), the catalyst maintained its activity with DMO conversion of 99.0%, while selectivity to ethylene glycol increased to 95.2%.
Keywords
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Catalysis
Authors
Wang Qi, Qiu Ling, Ding Ding, Chen Yazhong, Shi Chengwu, Cui Peng, Wang Ye, Zhang Qinghong, Liu Rong, Shen Hao,