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Development and life cycle analysis of double slope active solar still with flat plate collector

By A.K. Sethi and V. K. Dwivedi


Potable water is an essential ingredient of socio-economic development and economic growth. Often water sources are\ud brackish (i.e. contain dissolved salts) and/or contain harmful bacteria and therefore cannot be used for drinking. In\ud addition, there are many coastal locations where seawater is abundant but potable water is not available. This study is\ud focused on a development of solar still with flat plat collector for water desalination considered for small scale\ud applications at remote locations where only saline water is available. In this paper the cost of distilled water per kg has\ud been calculated by using the concept of life cycle cost analysis. The pay back periods for different conditions of the\ud distribution of distilled water, namely at the cost it is produced and at the selling price on market rate have been\ud evaluated. The cost of water per kg is minimum Rs. 0.59, when the interest rate and the lifetime of solar still are taken as\ud 4% and 50 years respectively. The lowest payback time 1.23 years is obtained when the selling price of water Rs. 10 per\ud kg

Topics: Distill water, Life cycle, Payback period, Renewable Energy, Solar still, Engineering (General). Civil engineering (General), TA1-2040, Technology (General), T1-995
Publisher: Eastern Macedonia and Thrace Institute of Technology
Year: 2014
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