Exergo-enviro-economic and yearly productivity analyses of conical passive solar still for sustainable solar distillation

This paper focuses on exergo-enviro-economic and yearly productivity analyses for conical passive solar still having the potential to fulfil the sustainable development goal of the United Nations. A new approach for thermal modelling of conical passive solar still has been carried out with experimen...

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Published in:Environmental science and pollution research international 2023-10, Vol.30 (47), p.104350-104373
Main Authors: Singh, Gajendra, Singh, Pawan Kumar, Saxena, Abhishek, Dobriyal, Ritvik, Kumar, Navneet, Singh, Desh Bandhu
Format: Article
Language:English
Subjects:
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Distillation
Earth and Environmental Science
Economic analysis
Economics
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Exergy
Fresh Water
Parameters
Payback periods
Productivity
Research Article
Solar distillation
Solar Energy
Sustainable development
Thermal analysis
Waste Water Technology
Water
Water depth
Water Management
Water Pollution Control
Weather
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Summary:This paper focuses on exergo-enviro-economic and yearly productivity analyses for conical passive solar still having the potential to fulfil the sustainable development goal of the United Nations. A new approach for thermal modelling of conical passive solar still has been carried out with experimental validation in the present work, wherein different weather conditions have been considered for the analysis of the proposed system. The carried out work has been done for each month of the year. In further methodology, the computational code in MATLAB has been used for the computation of hourly freshwater production, exergy, and energy followed by the estimation of their annual values. Thereafter, exergo-enviro-economic parameters, yearly productivity, payback period, and freshwater cost have been estimated, and the obtained results have been compared with the earlier published research. Concludingly, the exergo-economic parameter, enviro-economic parameter, and yearly productivity for the proposed system have been found higher by 44.25%, 25.68%, and 44.07%, respectively, than the conventional solar still. The comparative freshwater cost is 13.56% less than the conventional solar still for 0.025 m water depth. Additionally, the payback period for the proposed system will remain at 2.75 years, which is 13.82% less in comparison to the conventional solar still considering a 2% interest rate.
ISSN:1614-7499
0944-1344
1614-7499
DOI:10.1007/s11356-023-29519-0