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https://hdl.handle.net/2440/79302
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Type: | Journal article |
Title: | Chemical looping combustion of biomass-derived syngas using ceria-supported oxygen carriers |
Author: | Huang, H. Aisyah, L. Ashman, P. Leung, Y. Kwong, C. |
Citation: | Bioresource Technology, 2013; 140:385-391 |
Publisher: | Elsevier Sci Ltd |
Issue Date: | 2013 |
ISSN: | 0960-8524 1873-2976 |
Statement of Responsibility: | H.B. Huang, L. Aisyah, P.J. Ashman, Y.C. Leung, C.W. Kwong |
Abstract: | Cu, Ni and Fe oxides supported on ceria were investigated for their performance as oxygen carriers during the chemical looping combustion of biomass-derived syngas. A complex gas mixture containing CO, H2, CO2, CH4 and other hydrocarbons was used to simulate the complex fuel gas environment derived from biomass gasification. Results show that the transfer of the stored oxygen into oxidants for the supported Cu and Ni oxides at 800°C for the combustion of syngas was effective (>85%). The unsupported Cu oxide showed high oxygen carrying capacity but particle sintering was observed at 800°C. A reaction temperature of 950°C was required for the supported Fe oxides to transfer the stored oxygen into oxidants effectively. Also, for the complex fuel gas environment, the supported Ni oxide was somewhat effective in reforming CH4 and other light hydrocarbons into CO, which may have benefits for the reduction of tar produced during biomass pyrolysis. |
Keywords: | Chemical looping combustion Biomass Syngas Oxygen carrier Ceria |
Rights: | Copyright © 2013 Elsevier Ltd. All rights reserved. |
DOI: | 10.1016/j.biortech.2013.04.070 |
Published version: | http://dx.doi.org/10.1016/j.biortech.2013.04.070 |
Appears in Collections: | Aurora harvest Chemical Engineering publications Environment Institute publications |
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