• KAMAL S REDDY
• Prof. Vineeta Chauhan

Water scarcity is one of the burning issues of today’s world. Though water covers more than two third (about 70%) of the Earth’s surface but still fresh water which can be used for drinking and carrying out everyday chores remains scarce (only about 2.5%). The acute problem of water shortage, is mainly faced by the countries with long coastlines and the island nations, which do not have adequate fresh water sources like rivers and ponds. An atmospheric water generator (AWG) is a device that extracts water from humid ambient air. This paper aims to solve this problem. In the coastal areas the relative humidity is quite high (around 70-80%). So, the air in coastal areas can be used to meet the water needs of people by using a dehumidifier unit. Further the solar insolation is quite high in these areas round the year. This can be used to provide necessary power to the dehumidifier unit. Thus drinking water can be obtained from the atmosphere by harnessing solar energy. Such a device is called Atmospheric Water Generator. Water vapor in the air can be extracted by condensation - cooling the air below its dew point, exposing the air to desiccants, or pressurizing the air. Unlike a dehumidifier, an AWG is designed to render the water potable. AWGs are useful where pure drinking water is difficult or impossible to obtain, because there is almost always a small amount of water in the air that can be extracted. The two primary techniques in use are cooling and desiccants. The extraction of atmospheric water can require a significant input of energy. Some AWG methods are completely passive, relying on natural temperature differences, and requiring no external energy source,

Atmospheric Water Generator, Desalination, Relative humidity, Dehumidifier unit, AWG, Water from air. Air to water

"Design of a Cost Effective Water Generating System through thin air ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 4, page no.71-76, April-2019, Available :http://www.jetir.org/papers/JETIR1904Q14.pdf

"Design of a Cost Effective Water Generating System through thin air ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 4, page no. pp71-76, April-2019, Available at : http://www.jetir.org/papers/JETIR1904Q14.pdf