Abstract
Population density and automation is the main reason for the demand of drinking water. Water purification without affecting an ecosystem is the important need for daily life. Desalination is the best and effective way to satisfy the demand of fresh water. It is the most effective application of the solar energy. There are many conventional and non-conventional techniques available to make drinking water from the saline water. Among these solar desalination proves to be both economical and eco-friendly system particularly for rural areas. Solar stills are simple device which is used to provide pure water from the saline water by the principle of evaporation and condensation. This article reviews on the several research done on the solar stills to enhance productivity. Different designs of solar still and energy storage materials have been used to increase the yield and also this study proved the fact that efficiency of the solar still is majorly influenced by design and operating parameters.
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