Solar Still

Desalination technologies have been
used for about a century in land based plants and
on ships to provide the water for crew. The
acceleration of desalination technology started
during Second World War when the demand for
water in arid countries started to increase. The
cost of desalination system started to decrease
with the invention of new efficient technologies.
Sunlight is one of the several forms of power that
can be used to supply heat energy required by the
solar still. Its main advantage is that it has no fuel
cost but solar desalination system requires more
space and generally more costly equipment. The
slow desalination technique allows only pure
water to evaporate leaving behind the impurities
in the basin.

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Thu, 14/04/2011 - 01:50