Experiment on Bi-functional Catalyst of Dimethyl Ether Steam Reforming for Hydrogen Production

Abstract

Abstract:Abstract： The performance of catalysts prepared by mechanically mixing dimethyl ether (DME) hydrolysis active components and methanol reforming active components were compared in the DME steam reforming reaction. The effects of different active components and different calcination temperatures of CuMnspinel were studied. The results show that HZSM5 (nSiO2/nAl2O3=38) has the highest H2 production rate among different DME hydrolysis active components. CuMnspinel has high H2 production among different methanol reforming active components. CuMnspinel that was calcined by 700 °C exhibits the highest activity for DME steam reforming. The result shows that DME conversion is 99.65% and H2 production is 73.15% at 350 °C when used the bifunctional catalyst composed of CuMnspinel(700 °C) and HZSM5(38). The study is very important for fuel design of DME engine.
Key words：

Key words:dimethyl ether,methanol reforming,CuMnspinel,DME conversion,hydrogen production

CLC Number:

TK 46

WU Jiao, HUANG Peng, CHEN Xiao-Ling, ZHOU Xiang-Man, ZHANG Wu-Gao. Experiment on Bi-functional Catalyst of Dimethyl Ether Steam Reforming for Hydrogen Production[J]. Journal of Shanghai Jiaotong University, 2012, 46(04): 509-514.

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