Integration of Retrofitted Coal-fired Power Plant with CCS: Power De-rate Minimization. An, J., Lee, U., Jung, J., & Han, C. Volume 37 , 2015. doi abstract bibtex © 2015 Elsevier B.V. Post-combustion carbon dioxide (CO2) capture using aqueous monoethanolamine (MEA) has been the most widely implicated method utilizing existing coal-fired power plants. However, the heat and energy requirement of the solvent regeneration and CO2 liquefaction results in a 30% decrease in net power output, which is called "power de-rate". In this study, optimum operating conditions of the integrated CCS process are proposed by simulation-based parametric optimization to reduce the power de-rate. Post-combustion CO2 capture with aqueous MEA and CO2 liquefaction integrated with a 550MWe supercritical coal-fired power plant was simulated base on the data of a 0.1MW pilot plant in South Korea. The stripper operating pressure and liquid to gas ratio were chosen as the manipulated variables based on the variable evaluation. The power de-rate was reduced to 17.4% when operating at optimum conditions.
@book{
title = {Integration of Retrofitted Coal-fired Power Plant with CCS: Power De-rate Minimization},
type = {book},
year = {2015},
source = {Computer Aided Chemical Engineering},
keywords = {CCS,Parametric optimization,Power de-rate,Variable evaluation},
volume = {37},
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abstract = {© 2015 Elsevier B.V. Post-combustion carbon dioxide (CO2) capture using aqueous monoethanolamine (MEA) has been the most widely implicated method utilizing existing coal-fired power plants. However, the heat and energy requirement of the solvent regeneration and CO2 liquefaction results in a 30% decrease in net power output, which is called "power de-rate". In this study, optimum operating conditions of the integrated CCS process are proposed by simulation-based parametric optimization to reduce the power de-rate. Post-combustion CO2 capture with aqueous MEA and CO2 liquefaction integrated with a 550MWe supercritical coal-fired power plant was simulated base on the data of a 0.1MW pilot plant in South Korea. The stripper operating pressure and liquid to gas ratio were chosen as the manipulated variables based on the variable evaluation. The power de-rate was reduced to 17.4% when operating at optimum conditions.},
bibtype = {book},
author = {An, J. and Lee, U. and Jung, J. and Han, C.},
doi = {10.1016/B978-0-444-63578-5.50086-4}
}
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Post-combustion carbon dioxide (CO2) capture using aqueous monoethanolamine (MEA) has been the most widely implicated method utilizing existing coal-fired power plants. However, the heat and energy requirement of the solvent regeneration and CO2 liquefaction results in a 30% decrease in net power output, which is called \"power de-rate\". In this study, optimum operating conditions of the integrated CCS process are proposed by simulation-based parametric optimization to reduce the power de-rate. Post-combustion CO2 capture with aqueous MEA and CO2 liquefaction integrated with a 550MWe supercritical coal-fired power plant was simulated base on the data of a 0.1MW pilot plant in South Korea. The stripper operating pressure and liquid to gas ratio were chosen as the manipulated variables based on the variable evaluation. 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