Sustainable fresh water and power production by integrating PV panel in inclined solar still

Manokar, A. Muthu; Winston, D. Prince; Kabeel, A.E.; Sathyamurthy, Ravishankar

doi:10.1016/j.jclepro.2017.11.140

Cited by 169 publications

(44 citation statements)

References 46 publications

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“…The convective heat transfer coefficient formed between the water layer and glass surface is given byManokar et al 20 Partial vapor pressure developed between inner glass surface and water layer is calculated by Manokar et al20 …”

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confidence: 99%

Experimental study on conventional solar still integrated with inclined solar still under different water depth

Kabeel

Taamneh

Sathyamurthy

et al. 2018

Heat Trans. Asian Res.

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This study primarily focuses on comparative experimental analysis on standalone conventional solar still (CSS), inclined solar still (ISS), and integrated conventional and inclined solar still (CSS‐ISS) for different parameters that affect the freshwater yield. For enhancing the freshwater yield only a few studies are available on still‐still integration. The present novel study provides a greater improvement in improving the freshwater yield by integrating ISS with CSS. This experimental work mainly concentrates on the importance of water depth (d w) and mass flow rate of water ( m w) in the solar still. Water depth inside the conventional still varied from 0.02 to 0.06 m whereas, water is constantly flown with a mass flow rate of 8.33 kg/hour in an ISS with baffles. The experimental result shows that the accumulated freshwater yield from CSS‐ISS, ISS, and CSS were 6.2, 5.04, and 4.24 kg, respectively. CSS‐ISS and ISS produced 46.23% and 18.87% higher productivity than the CSS. From the experimental investigation, it is also identified that the water temperature is significantly improved by 20% using integration as compared with CSS without integration under the same water depth of d w = 0.02 m. The overall improvement in yield was higher in the case of CSS‐ISS. The deviations between experimental and theoretical values of yield from the conventional and modified solar still were in the range of ±7%.

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confidence: 99%

Experimental study on conventional solar still integrated with inclined solar still under different water depth

Kabeel

Taamneh

Sathyamurthy

et al. 2018

Heat Trans. Asian Res.

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“…In addition, the fouling, deformation, high pressure drop, and high electrical power requirements are some of the mentioned limitations using membrane technologies. 28,30,33 Furthermore, the factories need huge source of thermal energies to change brine wastewater to distilled stream and this item is not cost beneficial, chiefly. Although, membrane technologies are common in commercial methods in sea water desalination plants to provide soft water for drinking and also for industrial and agricultural usages.…”

Section: Solar Desalination Pondsmentioning

confidence: 99%

“…So, the membrane technologies are not suitable for sweetening of brackish waste streams. In addition, the fouling, deformation, high pressure drop, and high electrical power requirements are some of the mentioned limitations using membrane technologies . Furthermore, the factories need huge source of thermal energies to change brine wastewater to distilled stream and this item is not cost beneficial, chiefly.…”

Section: Introductionmentioning

confidence: 99%

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Experimental evaluation of collection, thermal, and conductivity efficiency of a solar distiller pond as a free concentration unit in wastewater treatment process

Farahbod

Omidvar

2018

Energy Science & Engineering

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The performance of one solar pond as a passive step in distilled and potable water production from desalination effluent is surveyed in this research. This solar pond is proposed in a zero discharge desalination process to prevent the salinity shocking which is made by a brackish water stream that exists from desalination units. The solar pond performance is evaluated by measuring three types of efficiency, experimentally, and mathematically. The efficiencies which are defined and calculated from experimental data are conductivity efficiency, thermal efficiency, and water recovery efficiency. The mathematical results are verified by experimental data which has been obtained during a year. The theoretical modelings show very good agreement with experimental data, especially for water collection and conductivity efficiency evaluation. The relative error of theoretical and experimental results for thermal efficiency evaluation through the day and night is obtained 7.2% and 4.9%, respectively.

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“…Solar thermal technology is the traditional method to conserve the continuous use of fossil fuel to evaporate water. Multistage flash, membrane desalination, and reverse osmosis technique were developed with the constant operation for mass production of drinking water, whereas it consumes electrical energy as the primary source and requires higher land capacity with initial investment . Even the quality of produced fresh water in direct incorporation of particles in the fluid is questionable.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation on the effect of MgO and TiO ₂ nanoparticles in stepped solar still

et al. 2019

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Summary This work aims at augmenting the amount of potable water using MgO and TiO2 in stepped solar still. Experiments were carried out for the climatic conditions of Chennai, India, with two different concentrations of nanofluids inside a stepped basin under three different cases. Results show that there is an improvement in yield of fresh water from stepped solar still by 33.18% and 41.05% using 0.1% and 0.2% volume concentration of TiO2 nanofluid, respectively, whereas the freshwater yield from stepped still with MgO nanofluids improved by 51.7% and 61.89%. Furthermore, the economic analysis revealed that the cost of potable water from the modified solar still reduced from 0.029 to 0.016 $/kg. Similarly, the useful annual energy, yearly cost per kilogram, and annual cost per kilowatt hour are significantly profitable with the use of MgO nanofluid in the stepped basin and found as 512.46 kWh, 0.025 $/kg, and 0.026 $/kWh, respectively. It is also found that the cost of potable water from the modified still significantly increases as the amount of fresh water produced is decreased with increased fabrication cost of the solar still.

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Sustainable fresh water and power production by integrating PV panel in inclined solar still

Cited by 169 publications

References 46 publications

Experimental study on conventional solar still integrated with inclined solar still under different water depth

Experimental study on conventional solar still integrated with inclined solar still under different water depth

Experimental evaluation of collection, thermal, and conductivity efficiency of a solar distiller pond as a free concentration unit in wastewater treatment process

Experimental investigation on the effect of MgO and TiO ₂ nanoparticles in stepped solar still

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Sustainable fresh water and power production by integrating PV panel in inclined solar still

Cited by 169 publications

References 46 publications

Experimental study on conventional solar still integrated with inclined solar still under different water depth

Experimental study on conventional solar still integrated with inclined solar still under different water depth

Experimental evaluation of collection, thermal, and conductivity efficiency of a solar distiller pond as a free concentration unit in wastewater treatment process

Experimental investigation on the effect of MgO and TiO 2 nanoparticles in stepped solar still

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Product

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Experimental investigation on the effect of MgO and TiO ₂ nanoparticles in stepped solar still