期刊
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
卷 3, 期 -, 页码 9-16出版社
ELSEVIER
DOI: 10.1016/j.seta.2013.05.001
关键词
Chemical looping combustion; Advanced exergoeconomic analysis; Exergy; Economic analysis; Combined cycle power plant
资金
- European Commission's Marie Curie 6th Framework Programme, Research Training Network, INSPIRE
Advanced exergy-based analyses extend engineering knowledge beyond the respective conventional methods by quantifying the potential for improvement and the component interactions and facilitating the optimization of a system. In this paper, the first application of an advanced exergoeconomic analysis to a complex combined-cycle power plant with CO2 capture is presented and the obtained results are assessed. The power plant incorporates a chemical looping combustion unit that facilitates the CO2 capture process and has been chosen as one of the most promising oxy-combustion technologies with respect to efficiency, economic feasibility and environmental footprint. The largest avoidable costs, which represent the potential for improvement, are associated with the components constituting the main gas turbine system. The most important components based on the total avoidable cost are the reactor, expander and compressor. Furthermore, the relatively low component interactions show that most of the costs are associated with the operation of these components; i.e., no intense process interdependencies exist. (C) 2013 Elsevier Ltd. All rights reserved.
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