Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 40, Issue 1, Pages 244-255Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2014.10.139
Keywords
Methanol steam reforming; Catalyst support; Porous copper fiber sintered felt; Gradient porosity
Categories
Funding
- National Nature Science Foundations of China [51105387, 51105144]
- Fundamental Research Funds for Central Universities, Xiamen University [2013121017]
- Key Laboratory of Fuel Cell Technology of Guangdong Province (South China University of Technology)
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A novel porous copper fiber sintered felt (PCFSF) with gradient porosity is fabricated with the multi-step mold pressing and solid-phase sintering method using the cutting copper fibers. Using the impregnation method, the PCFSF as catalyst support is loaded with Cu/Zn/ Al/Zr catalyst, and then is embedded into the laminated-sheet methanol steam reforming microreactor for hydrogen production. Based on the SEM results, the microstructures and surface morphology of PCFSF are analyzed. The reaction characteristics of PCFSF with gradient porosity loaded with Cu/Zn/AVZr catalyst for methanol steam reforming are experimental investigated under different gas hourly space velocities (GHSVs) and reaction temperatures. Our results indicate that the gradient porosity in the PCFSF has a significant influence on the reaction performance. The PCFSF with three-grade porosity (70%-80%-90%) exhibits better methanol conversion and H-2 flow rate when the reactant is fed from 90% to 70% porosity portion. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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