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The Preparation Methods of Fe2O3/Al2O3 Oxygen Carriers and their Chemical Looping Combustion Performance

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Abstract:

60wt%Fe2O3/Al2O3 oxygen carriers were prepared by different methods and characterized by means of XRD, H2-TPR, infrared gas analyzer. The effects of preparation methods on the structure and activity of Fe2O3/Al2O3 oxygen carriers for chemical looping combustion of methane were also investigated. The factors on the selectivity of CO2 in the chemical looping combustion process at different reaction temperatures were discussed. Methane can be quickly converted to CO2 and H2O with high selectivity at 850°C for 15 min. After redox cycling in alternant methane/air atmosphere for 30 times, the formation of CO2 was enhanced, indicating higher activity of oxygen carrier after the redox experiment.

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Periodical:

Advanced Materials Research (Volumes 724-725)

Pages:

1145-1149

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.724-725.1145

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Online since:

August 2013

Authors:

Zi Song Liu, Yong Gang Wei, Kong Zhai Li, Hua Wang, Xing Zhu, Yun Peng Du

Keywords:

Fe2O3 /Al2O3 Oxygen Carrier, Methane Chemical Looping Combustion, Preparation Method

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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