Performance Study of a Water Desalination System Under Vacuum

International Journal of Mechanical Engineering

© 2020 by SSRG - IJME Journal

Volume 7 Issue 8

Year of Publication : 2020

Authors : Suman Saha, M. R. I Sarker, S. S. Tuly

10.14445/23488360/IJME-V7I8P103

How to Cite?

Suman Saha, M. R. I Sarker, S. S. Tuly, "Performance Study of a Water Desalination System Under Vacuum," SSRG International Journal of Mechanical Engineering, vol. 7,  no. 8, pp. 18-22, 2020. Crossref, https://doi.org/10.14445/23488360/IJME-V7I8P103

Abstract:

Solar still is a device, which can produce fresh water from brackish or saline water. This paper presents an experimental analysis of a solar flash water desalination system under a vacuum to provide fresh water. In this study, a PCM based solar flash water type solar is still designed and then experimentally tested under vacuum condition. This is active solar still, consisting of a flat plate solar collector for preheating the brackish water, a vacuum type solar even for evaporation of freshwater, a pumping system, and a P.V. system operate the pump. A parametric investigation was performed to measure; internal basin water, PCM and glass cover plate temperature, internal pressure, product yield, and thermal efficiency of the system. Comparative analysis of the vacuum type solar still with the conventional solar is also performed. Results show that under vacuum conditions, the current solar still can increase the evaporation rate up to 35% more than the conventional one. Therefore, the present solar still is more beneficial, cost-effective, and environment friendly among various non-renewable techniques available for removal of salinity.

Keywords:

Solar still, Vacuum, PCM, Efficiency, Production rate.

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