期刊
ENERGY
卷 197, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2020.117162
关键词
Solid oxide fuel cell; Kalina cycle; Organic rankine cycle; LNG; Desalination; Hydrogen
A novel integrated system is proposed based on solid oxide fuel cell-gas turbine (SOFC-GT) for the simultaneous production of electricity, fresh water and hydrogen. Through a parametric study, the influences of major decision variables on the performance of the system are studied. The energy, exergy and exergoeconomic analysis are conducted. Then, the system is optimized by using the genetic algorithm by taking into account the exergy efficiency, fresh water production rate, hydrogen production rate, and total unit cost of the products as objective functions in three separate optimization problems. Considering the exergy efficiency and total unit cost of the products as the objective functions, the obtained values are 54.2% and 34.5 $/GJ at the optimal point, respectively. Regarding the fresh water production rate and total unit cost of the products as the objective functions, their values at the optimal point are 90.1 m(3) /h and 32.9 $/GJ, respectively. In the case of considering the hydrogen production rate and total unit cost of the product as the objective functions, their values at the optimal point are 11.6 kg/h and 32.8 $/G/J, respectively. (C) 2020 Elsevier Ltd. All rights reserved.
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