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Issue
Korean Journal of Chemical Engineering,
Vol.37, No.11, 1878-1887, 2020
Numerical study of oxy-fuel combustion behaviors in a 2MWe CFB boiler
Gwak YR, Yun JH, Keel SI, Lee SH
Using modified IEA-CFBC(International Energy Association-Circulating fluidized bed combustion) model, a 2MWe oxy-fuel CFBC boiler is simulated and analyzed as a promising solution to reduce greenhouse gas emission from coal power plants. This study evaluated and compared the oxy-combustion characteristics of various coals. Also, the effects of CO2 concentration (71-79 vol%), bed temperature (850 °C) and coal properties on combustion efficiencies, CO2 concentration, acid gas emissions were analyzed. Because of their higher N2 and S content, sub-bituminous and bituminous coals were found to have SOx and NOx concentrations higher than those of anthracite. These simulation results from Oxy-fuel CFBC simulation of various coals can be used as operating parameters for design and development of commercial Oxy-fuel CFBC boilers.
Keywords: Circulating Fluidized Bed; Oxy Combustion; Anthracite; Coal; Computational Simulation
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[Cited By]
  1. Go ES, Kook JW, Seo KW, Seo sB, Kim HW, Kang SY, Lee SH, Korean Chemical Engineering Research, 59(3), 417, 2021
  2. Lee G, Follett W, Park K, Kim D, Lee J, Halloran S, Korean Journal of Chemical Engineering, 39(4), 1086, 2022
  3. Park HJ, Oh SS, Olanrewaju ON, Ling JLJ, Jeong CS, Park HS, Lee SH, Korean Chemical Engineering Research, 61(1), 8, 2023
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