期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 39, 期 11, 页码 5747-5755出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2014.01.169
关键词
Ammonia decomposition; Red mud; Modification; Ni-based catalyst
资金
- National Natural Science Foundation of China [51172065, U1304520]
- China Postdoctoral Science Foundation [2012M521394]
- Specialized Research Fund for the Doctoral Program of Higher Education [20124116120002]
- Program for Innovative Research Team in the University of Henan Province [2012IRTSTHN007]
- Foundation of He'nan Scientific and Technology Key Project [112102310425, 112102310029]
- Education Department Natural Science Foundation of He'nan Province [20118150009, 13A430315]
- Opening Project of Henan Key Discipline Open Laboratory of Mining Engineering Materials [MEM13-1]
Mesoporous modified-red-mud (MRM) was obtained via the modification of as-received red mud (RM) by the acid digestion and alkali reprecipitation approach, which was further employed as the support for preparation of Ni/MRM catalysts by the impregnation method. The textural and structural properties of the MRM and as-prepared Ni/MRM catalysts were fully characterized by X-ray diffraction (XRD), thermogravimetry-differential thermal gravity analysis (TG-DTG), transmission electron microscopy (TEM), scanning electron microscopy (SEM) and Fourier transform infrared spectra (FT-IR) techniques. The catalytic behavior of the prepared Ni/MRM catalysts for ammonia decomposition was investigated, indicating excellent catalytic activity, comparable to the previously reported metal oxide supported Ni catalysts. This study demonstrates the feasibility of utilizing the waste from the aluminum industry for the decomposition of ammonia to hydrogen. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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