The system concept combines advanced solar energy systems and reverse osmosis membrane desalination systems. An average daily water production of 6000 m3/day is obtained from a brackish water with a quality of 6000 mg/1 total dissolved solids (TDS). A product water quality of 500 mg/l TDS is obtained from a two stage reverse osmosis membrane system operating at 90 % product water recovery. Feedwater pretreatment requirements include: lime softening, filtration, and ion exchange softening. Brine from the membrane units is disposed through solar evaporation ponds. The electric power required to operate the desalination system is generated by the solar system. Point focus, high temperature collectors combine with parabolic through, medium temperature collectors to provide thermal energy to a steam turbine generator. The power supply is complemented by a wind energy conversion system. The solar energy system has been designed for a solar fraction of 1.0.
Brackish water solar desalination. Soleras program
Brackwasserentsalzung mit Sonnenenergie. Soleras Programm
Solar Desalinisation Workshop. Solar Energy Res. Inst. ; CP-761 , Mar ; 199-231
1981
33 Seiten, 4 Bilder, 8 Tabellen, 7 Quellen
Conference paper
English
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