期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 46, 期 14, 页码 9280-9291出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2020.12.116
关键词
CuO/ZnO/CeO2/Zr(O)2 nanoflowers; Hydrothermal process; Microreactor; Catalytic performance; Methanol steam reforming
资金
- National Key Research and Development Program of China [2017YFB0310400]
- National Natural Science Foundation of China [51872082]
CuO/ZnO/CeO2/ZrO2 nanoflowers catalyst grown on Al2O3 foam ceramic achieved high methanol conversion rate and stability as catalyst supports for methanol steam reforming reaction.
CuO/ZnO/CeO2/ZrO2 nanoflowers catalyst was grown on an Al2O3 foam ceramic by a one-step hydrothermal process, while a naked Al2O3 foam ceramic and an Al2O3 foam ceramic grown with ZnO nanorods that directly impregnated into the catalyst precursor solution were also fabricated simultaneously. The morphology, composition, redox property and specific surface area of catalysts on the three ceramics were investigated in detail. The catalyst-loaded ceramics were used as catalyst supports in a microreactor to study the catalytic performance for methanol steam reforming. Results showed that the micro reactor with Al2O3 support grown with nanoflowers catalyst achieved 99.8% methanol conversion rate, 0.16 mol/h H-2 flow rate at 310 degrees C, and an inlet methanol flow rate of 0.048 mol/h. Moreover, the microreactor exhibited 92% methanol conversion rate after 30 h continuous reaction. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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