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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
Statement of
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.
RMID: 0020130368
DOI: 10.1016/j.biortech.2013.04.070
Appears in Collections:Chemical Engineering publications
Environment Institute publications

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