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Received September 15, 2015
Accepted April 14, 2016
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Operational characteristics of the pilot-scale coal gasification with filtration and hot fuel gas desulfurization
Jieun Lee
Suk-Hwan Kang
Hyo-Sik Kim
Dong-Hwan Jeon
Seung-Jong Lee
Seok-Woo Chung
Jin Wook Lee
Yongseung Yun†
Ho-Jung Ryu1
Jeom-In Baek2
Plant Engineering Center, Institute for Advanced Engineering (IAE), Yongin 17180, Korea 1Korea Institute of Energy Research, 71-2, Jang-dong, Daejeon 34101, Korea 2Korea Electric Power Research Institute, 103-16, Munji-dong, Yuseung-gu, Daejeon 34056, Korea
Korean Journal of Chemical Engineering, September 2016, 33(9), 2610-2621(12), 10.1007/s11814-016-0100-z
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Abstract
Experimental research on coal gasification with a filtration and desulfurization system for the development of an integrated gasification combined cycle (IGCC) was performed with Indonesian LG, KPU and Canadian Arch coals. A dry-feeding entrained-bed type gasifier was operated below the fusion temperature of the coal and at 20 bar of pressure. The filtration system was designed for continuous capture and subsequent removal of the fly ash and the unreacted coal residue via a specialty metal filter. The hot fuel gas desulfurization unit (HGD) consisted of a transport desulfurizer, a bubbling regenerator and a multi-cyclone. The research objective was to investigate the feasibility of applying a partial slagging coal gasifier to attain high carbon conversion and cold gas efficiencies as well as to attain an operational capability for combining with filtration and HGD. A Pilot-scale test demonstrated that the coal fines were effectively removed and the overall sulfur removal efficiency of the hot fuel gas desulfurization unit was higher than 95.3%.
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Park YC, Jo SH, Ryu HJ, Moon JH, Yi CK, Yoon YS, Baek JI, Korean J. Chem. Eng., 29(12), 1812 (2012)
Giuffrida A, Romano MC, Lozza GG, Appl. Energy, 87(11), 3374 (2010)
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Yun YS, Yoo YD, Chung SW, Fuel Process. Technol., 88(2), 107 (2007)
Kang SH, Lee SJ, Jung WH, Chung SW, Yun Y, Jo SH, Park YC, Baek JI, Korean J. Chem. Eng., 30(1), 67 (2013)
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Black J et al., Cost and Performance Baseline for Fossil Energy Plants, Vol.1-Rev.2, NETL(DOE) (2010).
