This paper presents an efficient and cost effective indirect freeze desalination process using the total solar energy concept. The integrated system consists of modular parabolic dish point focus solar energy collection, molten salt thermal energy storage, and a conventional steam turbine. The shaft power provides electrical energy needs via a generator and vapor compression energy needs, via compressors for the system. The vapor compression and turbine exhaust heat provide for the refrigeration required for this unique freeze desalination process. Being a total solar energy concept, efficient energy utilization is of great significance. This is achieved by using high grade heat to produce compression refrigeration and low grade heat to produce absorption refrigeration. The ability of this system to make use of available energy to freeze sea water in an efficient manner makes it very attractive. The paper contains discussions on system advantages, future potential, and system optimization.
Design of a solar energy powered freeze desalination system
Entwurf einer Gefrierentsalzungsanlage mit Sonnenenergieantrieb
Solar Desalinisation Workshop. Solar Energy Res. Inst. ; CP-761 , Mar ; 233-250
1981
18 Seiten, 3 Bilder, 3 Tabellen, 7 Quellen
Conference paper
English
Evaluation of solar powered desalination processes
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