The role of various fuels on microwave-enhanced combustion synthesis of CuO/ZnO/Al2O3 nanocatalyst used in hydrogen production via methanol steam reforming

被引:56
作者
Ajamein, Hossein [1 ,2 ]
Haghighi, Mohammad [1 ,2 ]
Alaei, Shervin [1 ,2 ]
机构
[1] Sahand Univ Technol, Fac Chem Engn, POB 51335-1996, Sahand New Town, Tabriz, Iran
[2] Sahand Univ Technol, RCRC, POB 51335-1996, Sahand New Town, Tabriz, Iran
关键词
CuO/ZnO/Al2O3; Microwave combustion; Fuel type; Methanol steam reforming; PHYSICOCHEMICAL CHARACTERIZATION; HOMOGENEOUS PRECIPITATION; ULTRASOUND IRRADIATION; CU/ZNO/AL2O3; CATALYSTS; BENEFICIAL USE; CUO-ZNO-AL2O3; NANOPARTICLES; CONVERSION; METAL; COPRECIPITATION;
D O I
10.1016/j.enconman.2017.01.044
中图分类号
O414.1 [热力学];
学科分类号
摘要
A series of CuO/ZnO/Al2O3 nanocatalysts were synthesized by the microwave enhanced combustion method to evaluate the influence of fuel type. Sorbitol, propylene glycol, glycerol, diethylene glycol and ethylene glycol were used as fuel. XRD results revealed that application of ethylene glycol led to highly dispersed CuO and ZnO crystals. It was more highlighted about Cu(111) crystallite facet which known as the main active site of methanol steam reforming. Moreover, using ethylene glycol resulted homogeneous morphology and narrow particles size distribution (average surface particle size is about 265 nm). Due to the significant physicochemical properties, the catalytic experiments showed that the sample prepared by ethylene glycol achieved total conversion of methanol at 260 degrees C. Its carbon monoxide production at this temperature was negligible. This nanocatalyst was completely stable during 1440 min of time on stream. (C) 201 7 Elsevier Ltd. All rights reserved.
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页码:61 / 73
页数:13
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