This paper provides the overviews of technical way of traditional desalination technique which can be used for water treatment including ways of migrating the impacts of the desalination to the environment and avoiding some of the danger of environment to desalination. Technologies that were originally developed to desalinate water are widely applied in the countries to remove contaminants. Many of the present desalination technologies like distillation, membrane process, ion exchange process

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... c are used in present contest. Among them membrane separation process is widely used nowadays. This paper suggest the art of the technology which are widely used to desalinate water among which many of them can be used to remove the other contaminants other than salt. It also present the water resources management plant and point out the importance of desalination in order to give the satisfactory result in order to fulfill the increasing water demand. Seawater and waste water from the industries are two important water resources for the desalination plant. Desalination of the sea water accounts worldwide water production of 24.5 million cubic meters per day. Arabian countries use about 45% of the total production of desalinated water all over the world. The largest desalination plant in south Asia is the Minjur Desalination plant near Chennai in India which produces 36.5 million cubic meter cube of water per year.