DocumentCode :
3267998
Title :
TGA-FTIR investigation of the chemical looping combustion by coal with a CuO-Fe2O3 combined oxygen carrier
Author :
Bao-wen, Wang ; Wei-shu, Wang ; Chuan-chang, Gao ; Hai-bo, Zhao ; Ying, Zheng ; Chu-guang, Zheng
Author_Institution :
North China Univ. of Water Conservancy & Hydroelectric Power (NCWU), Zhengzhou, China
fYear :
2011
fDate :
15-17 April 2011
Firstpage :
2724
Lastpage :
2727
Abstract :
The reaction of a Chinese lean coal LPS with Fe2O3-CuO combined OC (i.e.CuFe2O4) was investigated by means of thermogravimetric (TGA) coupled with Fourier transform infrared spectroscopy (FTIR). It was found that the reaction of LPS with CuFe2O4 displayed two-staged reaction characteristics, and obvious synergistic effect from both CuO and Fe2O3 was manifest; although the amount of lattice oxygen transferred from CuFe2O4 was the same as that of the mixture of CuO with Fe2O3 at the fixed mass ratio, the shorter duration was needed and thus more advantageous for the application of chemical looping combustion (CLC) of LPS; Finally, the overall activation energy for the reaction of LPS with CuFe2O4 was estimated as 83.16 kJ/mol with Coats-Redfern method.
Keywords :
Fourier transform spectra; Fourier transform spectroscopy; coal; combustion; copper compounds; infrared spectra; infrared spectroscopy; iron compounds; thermal analysis; Chinese lean coal; Coats-Redfern method; CuO-Fe2O3; FTIR; Fourier transform infrared spectroscopy; TGA; TGA-FTIR; chemical looping combustion; fixed mass ratio; thermogravimetry; Atmosphere; Chemicals; Coal; Combustion; Kinetic theory; Temperature; CO2 capture; Chemical looping combustion; Coal; CuFe2O4; Oxygen carrier;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Electric Information and Control Engineering (ICEICE), 2011 International Conference on
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-8036-4
Type :
conf
DOI :
10.1109/ICEICE.2011.5776996
Filename :
5776996
Link To Document :
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