Citation: LI Ming-jie, GAO Xiu-juan, YANG Qi, FENG Ru, ZHANG Jun-feng, SONG Fa-en, ZHANG Qing-de, HAN Yi-zhuo, TAN Yi-sheng. Effect of Ce doping on the performance of MoSn catalyst in the selective oxidation of dimethyl ether to methyl formate[J]. Journal of Fuel Chemistry and Technology, ;2020, 48(10): 1248-1255. shu

Effect of Ce doping on the performance of MoSn catalyst in the selective oxidation of dimethyl ether to methyl formate

LI Ming-jie ^1,2 ,
GAO Xiu-juan ^1,2 ,
YANG Qi ^1,2 ,
FENG Ru ^1,2 ,
ZHANG Jun-feng ¹ ,
SONG Fa-en ¹ ,
ZHANG Qing-de ^1,3,, ,
HAN Yi-zhuo ¹ ,
TAN Yi-sheng ¹

1.
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China
3.
Dalian National Laboratory for Clean Energy, Dalian 116023, China

Corresponding author: ZHANG Qing-de, qdzhang@sxicc.ac.cn
Received Date: 30 July 2020
Revised Date: 8 September 2020

Fund Project: The project was supported by the National Natural Science Foundation of China (21773283, 21373253), CAS Interdisciplinary Innovation Team (BK2018001), the Dalian National Laboratory For Clean Energy (DNL) Cooperation Fund, CAS (DNL 201903), the Youth Innovation Promotion Association CAS (2014155) and the Open Project Program of State Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University (201624)The Dalian National Laboratory For Clean Energy (DNL) Cooperation Fund, CAS DNL 201903The National Natural Science Foundation of China 21373253The National Natural Science Foundation of China 21773283The Open Project Program of State Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University 201624The Youth Innovation Promotion Association CAS 2014155CAS Interdisciplinary Innovation Team BK2018001

Figures(6)

A series of MoSn catalysts doped with different Ce loadings were prepared by hydrothermal method and their catalytic performance in the selective oxidation of dimethyl ether (DME) to methyl formate (MF) was investigated. The results indicate that the introduction of 0.5% Ce can significantly improve the activity of the MoSn catalyst over the 0.5%Ce-MoSn catalyst, the conversion of DME reaches 11.8% at 130 ℃, with a selectivity of 92.2% for MF. The MoSn catalysts were characterized by nitrogen sorption, XRD, NH₃-TPD, CO₂-TPD, H₂-TPR, XPS and in situ-IR; the results illustrate that a small amount of Ce in the MoSn catalyst can obviously increase the quantity of Mo⁵⁺, though it has little effect on the structure of the MoSn catalyst.
- MoSn catalyst,
- dimethyl ether,
- selective oxidation,
- methyl formate,
- hydrothermal method
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