Techno-enviro-exergo-economic and water hygiene assessment of non-cover box solar still employing parabolic dish concentrator and thermoelectric peltier effect

This study was conducted to design a parabolic dish concentrator box solar still without a glass cover combined with a thermoelectric condensing duct. The parabolic set reflects the sun's rays beneath the basin and the vapor generated in the basin is sucked by a fan with variable volume flow rate into the condensing duct, which is surrounded by four thermoelectrics cooling modules. The performance of non-cover box solar still with thermoelectric is reported based on the component temperature, distilled water production, energy, exergy, energy payback period, energy production factor, economic, exergoeconomic, environ-mental, enviroeconomic, exergoenvironmental, exergoenviroeconomic, and water hygiene assessment. In the optimal case, in which the fan sucks the vapor at a volume rate of 300 L/min, the average winter daily cumulative distilled water, energy efficiency, and exergy efficiency were enhanced by 25.6%, 4.88%, and 1.06%, respectively, compared to the case, which the fan is off. The cost of distilled water production and the payback period in the optimal case are 0.0056 $/L/m(2) and 114 days, respectively. Also, the techno-enviro-exergo-economic findings revealed that the parabolic dish concentrator box solar still with thermoelectric in terms of enviroeconomic and exergoenviroeconomic can create a financial reserve of $320.02 and $50.32, respectively. The distilled water produced by the desalination system is safe in terms of hygiene and drinking ability. (C) 2022 Institution of Chemical Engineers. Published by Elsevier Ltd. All rights reserved.