Techno-economic Evaluation of an Elevated Temperature Pressure Swing Adsorption Process In A 540 MW IGCC Power Plant with CO 2 capture
Energy Procedia, ISSN: 1876-6102, Vol: 63, Page: 2016-2022
2014
- 14Citations
- 32Captures
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Article Description
Pressure swing adsorption at elevated temperature (ET-PSA) is one kind of widely studied acid gas clean up technology. In this study, a system scheme for a 540 MW IGCC system with CO 2 capture is proposed by integrating the current developing ET-PSA process. The modeling framework is developed and implemented in process simulation platform (Aspen Plus) by considering 90% of CO 2 removal rate and 99% of H2S removal rate. The system performance is simulated for comparing the effects with adopting Selexol process on the system efficiency and integration characteristics. The simulation is based on the same coal feed rate, gas turbine combustion temperature and stack gas temperature. The simulated results show that with the H2 recovery rate increases from 75% to 100%, the net plant efficiency for IGCC with ET-PSA process increases linearly from 23.1% to 34.4%, and when the H2 recovery rate exceeds 93.5%, the estimated efficiency can be higher than that for IGCC with Selexol process (31.5%).
Bibliographic Details
Elsevier BV
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