reverse osmosis;
energy recovery;
stand-alone;
hybrid renewable energy systems;
D O I:
10.1016/S0011-9164(04)00159-6
中图分类号:
TQ [化学工业];
学科分类号:
0817 ;
摘要:
The fresh water shortage is a significant problem in many areas of the world such as deserts, rural areas, Mediterranean countries and islands. However, renewable energy potential in these areas is usually high using solar and wind energy. A desalination unit powered by renewable energy sources is a promising solution for this problem. This paper presents the design of a stand-alone hybrid wind-PV system to power a seawater reverse osmosis desalination unit, with energy recovery using a simplified spreadsheet model. A daily and monthly simulation and economic analysis were also performed. The calculated fresh water production cost was 5.2 E/m(3), and the realized energy saving was up to 48% when a pressure-exchanger-type energy recovery unit is considered.