Citation: PENG Si-yan, YANG Liu-sai, LIU Qian-qian, YU Le-shu, WU Li-dan, YU Zhong. High active Pd/MgO catalyst for CO oxidative coupling to dimethyl oxalate[J]. Journal of Fuel Chemistry and Technology, ;2017, 45(8): 963-969. shu

High active Pd/MgO catalyst for CO oxidative coupling to dimethyl oxalate

School of Chemistry and Environmental Science, Jiangxi Province Key Laboratory of Polymer Preparation and Processing, Shangrao Normal University, Shangrao 334001, China

Corresponding author: PENG Si-yan, psypsy524@126.com
Received Date: 21 February 2017
Revised Date: 1 May 2017

Fund Project: Innovation Training Foundation of College Student 2016-CX-10Natural Science Foundation of Jiangxi Province 20161BAB213058Natural Science Key Project of Jiangxi Province 2017ACB20040National Natural Science Foundation of China 21663021The project was supported by National Natural Science Foundation of China(21663021), Natural Science Key Project of Jiangxi Province(2017ACB20040), Natural Science Foundation of Jiangxi Province(20161BAB213058) and Innovation Training Foundation of College Student (2016-CX-10)

Figures(7)

The MgO support was first synthesized by the solution method, with which the Pd/MgO nanocatalyst was then prepared by the impregnation method. The structure and performance of prepared catalyst were characterized by XRD, CO₂-TPD, BET, TG, SEM, TEM and catalytic evaluation device. The research result shows that the synthesized MgO support consists of uniform nanosheets and strong Lewis basic sites. The active Pd nanoparticles of Pd/MgO catalyst are highly dispersed on the surface of MgO support with small and homogeneous size. Moreover, the Pd/MgO nanocatalyst with a low Pd loading (0.5%) exhibits an excellent catalytic performance with 65% CO conversion, 96% selectivity to DMO and more than 100 h on stream at 130 ℃. for CO oxidative coupling to dimethyl oxalate, much higher than industrial catalyst (Pd/α-Al₂O₃), which has a good prospect of industrial application.
- Pd/MgO,
- coal to ethylene glycol,
- CO oxidative coupling,
- dimethyl oxalate,
- catalytic performance
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