Abstract
Integrated energy systems utilizing renewable sources are a sustainable and environmentally substitution for conventional fossil fired energy systems. A CCHP hybrid seawater desalination plant with two inputs such as biomass and solar energy and four useful outputs such as cooling, heating, power and distillated water is presented and investigated in this paper. The proposed system includes evacuated tube solar collectors, biomass burner, organic rankine cycle (ORC), absorption chiller, heater and multi effect desalination system (MED). The results showed that the proposed system is able to produce 802.5KW as power, 10391 KW as heating, 5658 KW as cooling and 9.328 kg/s distillated water. Energy efficiency of the system is 61 %, the exergy efficiency is 7 % and the main sources of exergy destructions are biomass burner, evacuated tube solar collectors and vapor generator. Exergy optimization is carried out in order to find the optimum point of system.
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