Experimental Study on Coal Chemical Looping Combustion Using CuFe2O4 as Oxygen Carrier

Lei Wang; Wu Qin; Ling Nan Wu; Xue Qing Hu; Ming Zhong Gao; Jun Jiao Zhang; Chang Qing Dong; Yong Ping Yang

doi:10.4028/www.scientific.net/AMR.805-806.1387

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 805-806Experimental Study on Coal Chemical Looping...

Experimental Study on Coal Chemical Looping Combustion Using CuFe₂O₄ as Oxygen Carrier

Abstract:

Chemical-looping combustion (CLC) has been proposed as an efficient and clean technology that could contribute to achieve carbon dioxide capture with negligible cost. The technology uses a metal oxide as oxygen carrier that indirectly transfer oxygen from air to fuels to oxidize the fuels. CuFe₂O₄ was prepared as a novel oxygen carrier to decrease the cost of raw material and increase the reactivity of iron-based oxygen carrier. The structure of the prepared oxygen carrier was characterized by scanning electron microscope (SEM) and an X-ray diffractometer (XRD). The reaction of CuFe₂O₄ with coal was tested in a thermogravimetric analyzer (TGA). Results showed that the pyrolysis of coal under CO₂ was more complete than that under N₂, and the final conversion of CuFe₂O₄ during CLC of coal reached 66.6%. SEM images and BET surface area of the fresh and the used oxygen carrier show little agglomeration during the process.

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Periodical:

Advanced Materials Research (Volumes 805-806)

Pages:

1387-1390

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.805-806.1387

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Online since:

September 2013

Authors:

Lei Wang, Wu Qin*, Ling Nan Wu, Xue Qing Hu, Ming Zhong Gao, Jun Jiao Zhang, Chang Qing Dong, Yong Ping Yang

Keywords:

Chemical Looping Combustion, CO₂ Capture, CoAl, CuFe₂O₄

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* - Corresponding Author

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