PRODUCTIVITY COMPARISON OF CONVENTIONAL AND SINGLE SLOPE SOLAR STILL WITH INTERNAL REFLECTORS: AN OVERVIEW

Shahbaz Nasir Khan (), Rana Noman Saleem, Hafiz Muhammad Safdar Khan and Abdul Nasir
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Shahbaz Nasir Khan: Department of Structures and Environmental Engineering, University of Agriculture, Faisalabad, Pakistan
Rana Noman Saleem: Institute of Environmental Sciences and Engineering, National University of Science and Technology, Islamabad, Pakistan.
Hafiz Muhammad Safdar Khan: Department of Structures and Environmental Engineering, University of Agriculture, Faisalabad, Pakistan.
Abdul Nasir: Department of Structures and Environmental Engineering, University of Agriculture, Faisalabad, Pakistan.

Earth Sciences Pakistan (ESP), 2021, vol. 5, issue 1, 16-19

Abstract: Nearly two-third part of earth cover by water and this water is not for drinking from this only one percent is only for human use and which is not of sufficient to fulfill the human needs as water is the base of life so to overcome this water shortage problems there are different techniques which are helpful for the treatment of water like Desalination, phytoremediation, reverse osmosis, filtration, chlorination, coagulation and flocculation. As above-described processes solar water distillation is one of the most economic and renewable technique which is easily available everywhere. Many varieties of solar still are now developed regarding design like symmetric solar still, Asymmetric solar still, inclined single slope still, double slope still Steeped solar still and vacuum tube solar still etc. There are different natural factors which effect the yield of water purification like solar radiation, water depth in the basin, ambient temperature, and wind speed. These solar still are successful in arid atmosphere like in continent Africa and some parts of Asia where there is water shortage and irradiance values are higher there. Solar still working principle is to evaporate water in the basin and condense it on glass inner surface and then collect it in the collector. Conventional solar stills are less productive as compared to stills with vacuum tubes and steeped solar still in which internal reflectors were used.

Keywords: Conventional solar still; steeped solar still; vacuum tube still; internal reflectors; Evaporation; Desalination. (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbnesp:v:5:y:2021:i:1:p:16-19

DOI: 10.26480/esp.01.2021.16.19

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