Negative Pressure Solar Desalination

MECHANICAL ENGINEERING

The growth of the population and industrial development ends up in demand of water resources. Water resources cover one third of the planet, rapid growth of population and industrial development ends up in deforestation and declination of water, that results indeficiency of water. In order to over come the crisis the alternate method is rain water harvesting and desalination. Desalination is best answer in order to overcome the water crisis as there is a decrease in the rain fall due to Pollution, Green House Effect, Deforestation etc. it has been calculable that 22million m^3 of freshwater being created per day by Desalination process worldwide, however only 1% of fresh water is obtained by Solar Energy. Generally Direct and Indirect methods are used for desalinating the saline water. The main objective of the projected paper is that, by utilization free energy the saline water can be converted to the potable water by using thermal energy of the solar radiation and negative pressure. Possible outcome is to provide suitable combination to get better yield of drinking water from saline water.

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