Desalination using solar stills: A review

Shelake, Amit; Kumbhar, D. G.; Sutar, Kailasnath B.

doi:10.1002/ep.14025

Cited by 6 publications

(5 citation statements)

References 137 publications

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“…A single slope solar still, fashioned from a 2 mm thick stainless‐steel plate measuring 1 m × 0.5 m, was skillfully crafted. Stainless steel was the economical and efficient material for desalination 29–31 . To improve the absorption of solar radiation, the inner side of the still was diligently coated with black paint 32 .…”

Section: Methodsmentioning

confidence: 99%

“…Stainless steel was the economical and efficient material for desalination. [29][30][31] To improve the absorption of solar radiation, the inner side of the still was diligently coated with black paint. 32 Insulation of the solar still entailed using two layers: an initial layer of 45 mm thick thermocol, followed by a second layer of 18 mm thick hardwood ply.…”

Section: Methodsmentioning

confidence: 99%

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Experimental investigation on the effective condenser glass area of solar still hybrid with photovoltaic cells

Yuvaraj,

Ganapathy Sundaram,

Shanthi

et al. 2024

Env Prog and Sustain Energy

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Solar desalination is a broad research field in the production of freshwater. The efficiency of the natural conversion solar desalination system is the only limitation to becoming its commercialization. It needs 1 m2 area for getting approximately 4.5 L of fresh water/day. In active methods 1 m2 area of solar still produce yield up to 10 L/day. In this study a new technology of fixing the photovoltaic cell (PV cells) in the natural passive solar still condenser glass to harvest both freshwater as well as electrical power generation is proposed. The experiments were carried out with conventional solar still of a glass surface area of 0.5 m2, still with an effective glass surface area of 0.3812 m2 and 36 PV cells taken up area of 0.1188 m2, and still with effective glass surface area of 0.3020 m2 and 60 PV cells taken up area of 0.198 m2. The study found that conventional solar still produced 2140 mL/day of yield, still with 36 PV cells produced 1380 mL/day of yield and 98 W of electrical power and still with 60 PV cells produced 840 mL/day of yield and 165 W of electrical power. This hybrid system, solar still with PV cells, produce both fresh water and electrical power. The fresh water yield and electrical power generation depends on the effective area of the solar still glass surface area and area occupied by PV cells attached to the solar still glass cover.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Experimental investigation on the effective condenser glass area of solar still hybrid with photovoltaic cells

Yuvaraj,

Ganapathy Sundaram,

Shanthi

et al. 2024

Env Prog and Sustain Energy

View full text Add to dashboard Cite

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“…They also considered the angle and intensity of solar radiation. Water quality was tested based on pH, TDS, total hardness, and electrical conductivity, and the results showed high-quality drinking water being produced [11]. Analysis of unit orientation, water basin depth, meteorological conditions, and flow continuity on solar distillation performance in an experimental solar still unit.…”

Section: Introductionmentioning

confidence: 99%

Enhancing Water Purification in Solar Stills Through Incorporation of Renewable Energy Technology: An Experimental Study on the Efficiency and Cooling Mechanisms - A Review

Najaf,

Aslan

2024

IJHT

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On a worldwide basis, freshwater is becoming increasingly limited, particularly in dry and distant regions. This presents a complex problem for regions such as islands, where the transportation of water that is suitable for drinking is expensive. In order to address this dilemma, the primary focus of the 21st century ought to be on boosting water purification through the use of renewable energy technology in the desalination industry. To be more specific, the incorporation of solar energy into the business has the potential to extend the lifespan of units, reduce expenses, and reduce the positive impact on the environment. The article contains a sufficient number of studies on a variety of passive and active stills, and it offers an understanding of the effectiveness of each form of still. Vacuum tube solar stills are more efficient than others. In addition to this, it investigates several approaches to cooling the glass cover and the elements that influence the productivity of solar stills, among which are environmental and design considerations. Resolving the problem of diminishing freshwater resources and integrating solar energy for water purification.

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“…They conducted that using the phosphate bed increases productivity by 16.8%. Shelake et al 39 presented a comprehensive review of techniques used to improve the productivity of solar desalination systems, as well as the mathematical model used to predict the thermal performance of solar desalination systems. Attia et al 40 improved the yield of solar distiller by 50.4% using double‐faces trays incorporated with a solar thermal receiver integrated with a solar concentrator.…”

Section: Introductionmentioning

confidence: 99%

Performance assessment of hemispherical solar distillers integrated with the red bricks filled with cement as natural thermal storage materials

Attia

Kabeel

Beggas

et al. 2023

Env Prog and Sustain Energy

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This manuscript aims to augment the production rate of drink water from the hemispherical solar distillers using red bricks filled with cement as natural low-cost reasonable storage materials. To obtain the optimal height and optimal gap distance of the red brick tiles filled with cement that achieves the highest productivity of hemispherical distillers. Three different heights of the red brick (1, 2, and 3 cm) with two different gap distances of (4 and 6 cm) were experimentally studied. Therefore, three hemispherical distillers were constructed and operated under the same climate conditions. The first is the traditional hemispherical solar distiller (THSD) which represents the reference distiller. The second is a hemispherical distiller with red brick tiles filled with cement set at a gap distance of 6 cm. The third is a hemispherical distiller with red brick tiles filled with cement set at a gap distance of 4 cm. The results presented that, the utilization of red brick tiles filled with cement with a height of 2 cm and a gap distance of 4 cm represents a good choice that achieves the highest performance of hemispherical distillers.The results showed that the utilization of red bricks filled with cement will be improved the accumulative yield from 4.3 L/m 2 /day (THSD) to 6.55 L/m 2 /day with an improvement of 52.3%. Also, using the red bricks filled with cement improved the thermal and exergy efficiencies by 51.24% and 435.5%, respectively compared to THSD.hemispherical distiller, natural low-cost storage materials, performance improvement, red bricks filled with cement, thermal and exergy efficiencies | INTRODUCTIONPure drinking water is considered one of the most important and indispensable elements to ensure the survival of all living organisms on the planet. [1][2][3] In recent years, as a result of rapid population growth, rapid industrial development, environmental pollution, and pollution of many surface waterways, especially in developing countries, the amount of fresh water suitable for human use has become insufficient. There are many countries around the world suffering from the problem of lack of fresh water. To obtain fresh water, it is necessary to treat polluted water and treatment seawater, and groundwater. Where, water treatment mainly depends on energy. Therefore, solar energy is considered one of the most acceptable alternatives for energy supply, and this is agreed upon by many researchers. [4][5][6] Therefore, the use of solar energy is an effective option Abbreviations: PCM, phase change materials; HSD & RBC, hemispherical solar distiller with red bricks filled with cement; THSD, traditional hemispherical solar distiller.

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Desalination using solar stills: A review

Cited by 6 publications

References 137 publications

Experimental investigation on the effective condenser glass area of solar still hybrid with photovoltaic cells

Experimental investigation on the effective condenser glass area of solar still hybrid with photovoltaic cells

Enhancing Water Purification in Solar Stills Through Incorporation of Renewable Energy Technology: An Experimental Study on the Efficiency and Cooling Mechanisms - A Review

Performance assessment of hemispherical solar distillers integrated with the red bricks filled with cement as natural thermal storage materials

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