Abstract
The solar energy is free pollution and free renewable energy. Desalination is one of the water purification methods. In this method, the pure water is produced without salt content from the salty water. When comparing with the various energy storage materials such as iron scrap, steel scrap and aluminium scrap, the aluminium material gives more yield than other heat absorbing materials. The best slope of glass cover is 450 and the water depth of still is 0.050 m. The maximum day yield for sea water from aluminum materials was 4740 ml/m2/day without insulation and the maximum day yield for sea water from aluminium material was 5130 ml/m2/day with insulation .The maximum yield efficiency of solar still is 40%.
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