The system design for a future commercial solar energy brackish water desalination plant is described. Key features of the plant are discussed along with its configuration selection rationale, design objectives, operation, and performance. The water treatment technology used in the plant is ion exchange pretreatment and single stage reverse osmosis desalination utilizing high-flux membranes. Electrical power needed for plant operation is provided by a solar energy system which is based on the Brayton cycle having air as the working fluid. Primary solar system components are: heliostat field, central cavity-tube receiver, receiver support tower, thermal energy storage, and a commercial gas turbine generator set. The thermal energy storage subsystem is of the sensible heat brick type and provides a capability for continuous day/night power generation during most weather conditions. This system design was selected in a study of various system alternatives and their life cycle product water costs for a representative site in western Texas.
System design for a commercial solar Brayton cycle central receiver water desalination plant
Systementwurf fuer eine kommerzielle Wasserentsalzungsanlage mit zentralem Brayton-Sonnenkollektor
Solar Desalinisation Workshop. Solar Energy Res., Inst. ; CP-761 , Mar ; 185-197
1981
13 Seiten, 9 Tabellen, 6 Quellen
Conference paper
English
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