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http://dx.doi.org/10.9713/kcer.2019.57.3.400

Oxy Combustion Characteristics of Anthracite in a 100 kWth Circulating Fluidized Bed System  

Moon, Ji-Hong (Future Energy Plant (FEP) Convergence Research Center, Korea Institute of Energy Research (KIER))
Jo, Sung-Ho (Future Energy Plant (FEP) Convergence Research Center, Korea Institute of Energy Research (KIER))
Mun, Tae-Young (Future Energy Plant (FEP) Convergence Research Center, Korea Institute of Energy Research (KIER))
Park, Sung-Jin (Future Energy Plant (FEP) Convergence Research Center, Korea Institute of Energy Research (KIER))
Kim, Jae-Young (Future Energy Plant (FEP) Convergence Research Center, Korea Institute of Energy Research (KIER))
Nguyen, Hoang Khoi (Future Energy Plant (FEP) Convergence Research Center, Korea Institute of Energy Research (KIER))
Lee, Jae-Goo (Future Energy Plant (FEP) Convergence Research Center, Korea Institute of Energy Research (KIER))
Publication Information
Korean Chemical Engineering Research / v.57, no.3, 2019 , pp. 400-407 More about this Journal
Abstract
Oxy-combustion with a circulating fluidized bed (Oxy-CFBC) technology has been paid attention to cope with the climate change and fuel supply problem. In addition, Oxy-CFBC technology as one of the methods for carbon dioxide capture is an eco-friendly that can reduce air pollutants, such as $SO_2$, NO and CO through a flue gas recirculation process. The newly developed $100kW_{th}$ pilot-scale Oxy-CFBC system used for this research has been continuously utilizing to investigate oxy-combustion characteristics for various fuels, coals and biomasses to verify the possibility of fuel diversification. The anthracite is known as a low reactivity fuel due to a lot of fixed carbon and ash. Therefore, this study aims not only to improve combustion efficiency of an anthracite, but also to capture carbon dioxide. As a result, compared to air-combustion of sub-bituminous coal, oxy-combustion of anthracite could improve 2% combustion efficiency and emissions of $SO_2$, CO and NO were reduced 15%, 60% and 99%, respectively. In addition, stable operating of Oxy-CFBC could capture above 94 vol.% $CO_2$.
Keywords
Oxy combustion; Circulating fluidized bed; Anthracite; $CO_2$ capture; Air pollutants;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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