Simulation and Optimization for Power Plant Flue Gas CO2 Absorption-Stripping Systems

doi:10.1081/SS-200048014

淡江大學機構典藏 > 工學院 > 化學工程與材料工程學系暨研究所 > 期刊論文 > Item 987654321/19242

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題名:	Simulation and Optimization for Power Plant Flue Gas CO2 Absorption-Stripping Systems
作者:	Chang, H.;Shih, C. M.
貢獻者:	淡江大學化學工程與材料工程學系
關鍵詞:	Power plant;carbon dioxide;absorption;stripping;intercooler;split‐flow;design optimization;logical search plan;alkanolamine
日期:	2005-02
上傳時間:	2013-08-08 14:50:32 (UTC+8)
出版者:	Philadelphia: Taylor & Francis Inc.
摘要:	Performance characteristics and design optimization for industrial-scale coal-fired and natural-gas-fired power plant flue gas CO2 absorption-stripping systems, using MEA (monoethanolamine) and mixed-DGA/MDEA (diglycolamine/methyldiethanolamine) aqueous solutions, are investigated by computer simulation. A rigorous model adopted from the literature, built on RATEFRAC of Aspen Plus, is used to simulate the complex reactive absorption behaviors. Column profiles and mass transfer characteristics as well as the effects of design variables for conventional, conventional with absorber intercooler and split-flow schemes are analyzed. Major design variables for each scheme are identified. Both intercooler and split-flow schemes are beneficial. The split-flow scheme is examined from three aspects for its applicability. Design optimizations by the logical search plan method are performed for both coal-fired and natural-gas-fired CO2 recovery systems using MEA aqueous solution. Compared to practical initial designs, the optimized designs provide cost reductions of 10% and 26% for intercooler and split-flow schemes, respectively.
關聯:	Separation Science and Technology 40(4), pp.877-909
DOI:	10.1081/SS-200048014
顯示於類別:	[化學工程與材料工程學系暨研究所] 期刊論文

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