期刊
DESALINATION AND WATER TREATMENT
卷 193, 期 -, 页码 212-223出版社
DESALINATION PUBL
DOI: 10.5004/dwt.2020.25800
关键词
Combined cycle; Exergy efficiency; Exergy destruction; Environmental effects; Cogeneration plant; Multi effect desalination; Parabolic solar collector
In this research, Abadan combined cycle power plant (CCPP) has been thermodynamically modeled and the obtained results have been compared with the information obtained from the design conditions of the system. By introducing a multi-effect desalination cycle and several parabolic solar collectors, the CCPP, and the effects of these changes on its performance have been investigated. In this study, the exergy efficiency, carbon dioxide emission, and the cost of electricity generation have been considered based on the SPECO model. The results show that the thermal and exergy efficiency of the cogeneration of power and water with the parabolic solar collectors (CPWSC) depends on the design parameters. The efficiency of the power plant after using multi effect desalination (MED) system and parabolic solar collector increases from 48.71% to 50.91% and the exergy efficiency enhances from 45.95 to 50.03. The heat loss in the steam cycle is reduced by 29%. Also, a reduction in the cost of exergy destruction in the condenser is observed to be 13.56%. The CPWSC produces 20,000 tons of freshwater per day. Also, CO2 emissions have decreased from 58.05 to 54.97 kg per megawatt hour of electricity.
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