CuMn2O4/HZSM-5催化二甲醚水蒸气重整制氢的试验研究

摘要： 搭建了二甲醚水蒸气重整制氢的小样模拟台架，并制备了二甲醚重整制氢催化剂.研究了不同水解活性组分、甲醇重整活性组分和煅烧温度下的尖晶石复合催化剂对二甲醚水蒸气催化重整制氢性能的影响.结果发现：不同水解活性组分中，HZSM 5（硅铝摩尔比r=n(SiO2)/n(Al2O3)=38）的双功能催化剂的H2产率最高；甲醇重整活性组分中，铜锰尖晶石结构催化组分（CuMn2O4）的双功能催化剂的H2产率最高；煅烧温度对CuMn2O4双功能催化剂的催化效果有明显影响，其中煅烧温度为700 °C时H2产率最高.

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

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.
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