Fabrication of water Desalination Unit
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Date
2017-10-09T12:44:12Z
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Abstract
Seawater desalination is becoming an important source of fresh water in several countries all
around the world. One of the main drawbacks of desalination processes, however, is related to the
disposal of large quantities of concentrated brine, which is an always-present by-product of the
process. An integrated production of fresh water and salts may be achieved using the discharge
brine from a desalination plant as a feed for conventional salt ponds, with the advantages of using
brine more concentrated than sea water and, in the case of thermal desalination plants, warmer
than sea water. By doing so, the process is faster as a consequence of the enhancement of
evaporation rate on the surface of ponds. The above concept has been proposed already several
years ago, but only rare examples exist of real applications. multiple effects desalination with
thermal vapor compression plant is operating very close to a traditional salt with sea water. Results
have shown a very promising enhancement of the salt pond production capacity, keeping at the
same time the very high quality standards required for the production of food-grade salt from sea
water. On the other side, laboratory experiments indicated the actual possibility of producing highpurity
magnesium salts, thus encouraging towards further investigation for the development of a
pilot process development and installation.
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Prathap V, Vicky Nayak H R, Ashish Sahoo, Fabrication of water Desalination Unit