期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 41, 期 6, 页码 3870-3876出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2016.01.024
关键词
Water-gas shift; Spinel ferrite catalysts; Sol-gel combustion method; Inverse spinel structure; Easier reducibility
资金
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT and Future Planning [2013R1A1A1A05007370]
- National Research Foundation of Korea [21A20130011104, 2013R1A1A1A05007370] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Selected metal ions (Ni, Co, Mn, Mg, or Zn) were introduced into iron oxide (spinel lattice) and the resulting materials screened for catalytic activity for the high temperature water-gas shift reaction using waste-derived syngas. The active phase of spinel ferrite catalysts was directly synthesized by the glycine assisted sol-gel combustion method under a reducing atmosphere. Among the prepared catalysts, NiFe2O4 catalyst showed the highest CO conversion (81%) with stability even at a very high gas hourly space velocity of 40,057 h(-1). This result was primarily due to the inverse spinel structure and easier reducibility of NiFe2O4 catalyst. Copyright (C) 2016, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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