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Energies 2016, 9(8), 656; doi:10.3390/en9080656

Study on Reaction Characteristics of Chemical-Looping Combustion between Maize Stalk and High Index Facet Iron Oxide

1
National Engineering Laboratory for Biomass Power Generation Equipment, School of Renewable Energy Engineering, North China Electric Power University, Beijing 102206, China
2
State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Antonio Ficarella
Received: 17 June 2016 / Revised: 3 August 2016 / Accepted: 4 August 2016 / Published: 18 August 2016
(This article belongs to the Special Issue Combustion and Propulsion)
View Full-Text   |   Download PDF [2545 KB, uploaded 18 August 2016]   |  

Abstract

In this work, experiments were performed to investigate the activity and regeneration ability of iron-based oxygen carrier with high index facet (104) during chemical looping combustion (CLC), suggesting that morphological control of the oxygen carrier is very rewarding. Fe2O3(104) supported on Al2O3 was synthesized by a morphology controlled method to undertake maize stalk CLC experiments. Compared with the referenced Fe2O3/Al2O3 prepared by the impregnation method, Fe2O3(104)/Al2O3 presents better reactivity, showing higher fuel conversion rate and CO2 concentration in gaseous products. Further, structural characterizations, including X-ray diffraction (XRD), scanning electron microscopy (SEM) (LEO-1450) and Brunauer-Emmett-Teller (BET) analysis, and multi-cycles CLC reactions were performed to verify the good regeneration and stability of the Fe2O3(104)/Al2O3. The findings indicate that the Fe2O3(104)/Al2O3 is efficient when used for CLC of maize stalk. View Full-Text
Keywords: chemical-looping combustion; oxygen carrier; maize stalk; Fe2O3(104) chemical-looping combustion; oxygen carrier; maize stalk; Fe2O3(104)
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Qin, W.; Lin, C.; Wang, J.; Xiao, X.; Dong, C.; Wei, L. Study on Reaction Characteristics of Chemical-Looping Combustion between Maize Stalk and High Index Facet Iron Oxide. Energies 2016, 9, 656.

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