Accepted Papers - 3.pdf - UNESCO

Development Corporation Limited, and Tata Energy
Research Institute (TERI) under the National Solar
Pond programme of the Ministry of Non-
Conventional Energy Sources. TERI carried out
execution, operation, and maintenance of the Bhuj
Solar Pond. The solar pond is 100 m long and 60 m
wide and has a depth of 3.5 m. To prevent seepage
of saline water, a specially developed lining scheme,
comprising locally available material, has been
adopted. The pond was then filled with water and
4000 tonnes of common salt was dissolved in it to
make dense brine. A salinity gradient was established
and wave suppression nets, a sampling platform,
diffuses for suction and discharge of hot brine, etc.
were also installed. This pond has been successfully
supplying processed heat to the dairy since
September 1993, and is, at present, the largest
operating solar pond in the world.
6. Conclusions :
Though solar ponds can be constructed
anywhere, it is economical to construct them at
places where there is low cost salt and bittern, good
supply of sea water or water for filling and flushing,
high solar radiation, and availability of land at low
cost. Coastal areas in Tamil Nadu, Gujarat, Andhra
Pradesh, and Orissa are ideally suited for such solar
ponds. In India a number of solar ponds have been
installed by MNES for the generation of electricity
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as well as industrial process heat. The technology is
in initially phase but have a large potential for power
generation as well as other domestic and industrial
applications.
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www.tripod.lycos.com