Enhancement of hemispherical solar still productivity using iron, zinc and copper trays

Attia, Mohammed El Hadi; Kabeel, A.E.; Abdelgaied, Mohamed; Essa, F.A.; Omara, Z.M.

doi:10.1016/j.solener.2021.01.038

Cited by 137 publications

(23 citation statements)

References 38 publications

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“…They got 3.6 L/m 2 day without cooling and 4.2 L/m 2 day with the cooling technique. In the study (Attia et al 2021), tray basins made of iron, zinc, and copper with a hemispherical cover were investigated to compare to a traditional hemispherical solar still, which is shown in Figure 8. The copper tray displayed the best performance with 7.35 kg/m 2 day of distillate yield and 57.2% of energy efficiency, following by zinc tray basin (6.3 kg/m 2 day-49%), iron tray basin (5.5 kg/m 2 day-42.8%), and conventional hemispherical solar still (4.8 kg/m 2 day-37.4%).…”

Section: Single Basin With Special Coversmentioning

confidence: 99%

Influence of Various Basin Types on Performance of Passive Solar Still: A Review

Pham

Hadiyanto

et al. 2021

Int. J. Renew. Energy Dev.

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Passive solar still is the simplest design for distilling seawater by harnessing solar energy. Although it is undeniable that solar still is a promising device to provide an additional freshwater source for global increasing water demand, low thermal efficiency along with daily distillate yield are its major disadvantages. A conventional solar still can produced 2 to 5 L/m2day. Various studies have been carried out to improve passive solar stills in terms of daily productivity, thermal efficiency, and economic effectiveness. Most of the researches that relate to the daily output improvement of passive solar still concentrates on enhancing evaporation or/and condensation processes. While the condensation process is influenced by wind velocity and characteristics of the condensed surface, the evaporation process is mainly affected by the temperature of basin water. Different parameters affect the brackish water temperature such as solar radiation, design parameters (for example water depth, insulators, basin liner absorptivity, reflectors, sun tracking system, etc). The inclined angle of the top cover is suggested to equal the latitude of the experimental place. Moreover, the decrease of water depth was obtained as a good operational parameter, however, the shallow water depth is required additional feed water for ensuring no dry spot existence. Reflectors and sun-tracking systems help solar still absorb as much solar intensity as possible. The internal reflector can enhance daily yield and efficiency of stepped solar still up to 75% and 56% respectively, whereas, passive solar still with the support of a sun-tracking system improved daily yield up to 22%. Despite large efforts to investigate the impact of the different parameters on passive solar distillation, the effect of the basin liner (including appropriate shapes and type of material), needs to be analyzed for improvement in practical utilization. The present work has reviewed the investigation of the solar still performance with various types of basin liner. The review of solar stills has been conducted critically with rectangular basin, fins basin, corrugated basin, wick type, steps shape, and cylindrical shape basin with variety of top cover shapes. The findings from this work conclude that the basin liner with a cylindrical shape had better performance in comparison with other metal types and provides higher freshwater output. Stepped type, inclined, fin absorber, and corrugated shapes had the efficient performance. Further exploration revealed that copper is the best-used material for the productivity of passive solar still.

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Section: Single Basin With Special Coversmentioning

confidence: 99%

Influence of Various Basin Types on Performance of Passive Solar Still: A Review

Pham

Hadiyanto

et al. 2021

Int. J. Renew. Energy Dev.

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“…This is primarily attributed due to the higher values of evaporative, convective and radiative heat transfer coefficients during the daytime when compared to conventional solar still. (Attia et al 2021b) investigated the performance of hemispherical solar still with iron, zinc and copper absorber trays and the results were compared with conventional hemispherical still. The results showed that the hemispherical solar still with copper, zinc and iron absorbers had an improvement in yield by 53.12%, 31.25% and 14.58%, respectively 109 when compared with the productivity of conventional hemispherical solar still.…”

Section: The Role Of Design Parameters In Productivity Enhancementmentioning

confidence: 99%

An Experimental Study on Eco-Friendly and Cost-Effective Natural Materials for Productivity Enhancemento Single Slope Solar Still

Natarajan

Suraparaju²,

Elavarasan

et al. 2021

Preprint

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The proposed research study aims to improve the productivity of solar still (SS) by using low-cost and eco-friendly materials. The aforementioned objective was achieved by enhancing the evaporation rate of seawater in the absorber basin and the condensation rate over the glass cover of the solar still. In this study, the low-cost and eco-friendly materials used for enhancing the evaporation rate in the solar still were Molasses Powder (MP), Sawdust (SD), Rise Husk (RH). In addition to these materials, Bamboo Straw (BS), Banana Leaf stem (BL), and Rice Straw (RS) were used as absorbing materials over the glass cover for enhancing the condensation rate. The experiments were carried out under similar meteorological conditions and the results of the modified solar still were compared with Conventional Solar Still (CSS). The productivities of CSS, SSMP, SSRH, SSSD, SSBS, SSBL and SSRS were about 2250 mL/m2, 2383 mL/m2, 2467 mL/m2, 3033 mL/m2, 2700 mL/m2, 2683 mL/m2, and 3367 mL/m2 , respectively. The results of the experimental investigation highlighted that the SSSD had a comparatively better evaporation rate and 34.81% higher yield than CSS. Besides, SSRS had a comparatively better condensation rate and a 51.88% higher yield than CSS. Later, the combination of sawdust (SD) and rice straw (RS) was investigated for combined enhancement of evaporation and condensation. The solar still with sawdust and rice straw (SSSDRS) showed a 62.88% improvement in productivity with 3633 mL/m2 when compared to CSS. Also, the economic analysis showed that the cost per litre (CPL) of freshwater obtained from SSSDRS was about ₹ 1.9 ($ 0.025) with a payback period of 4.4 months which was the least when compared to all the considered cases.

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“…From this, Algeria can bene t from this site and these resources (renewable energy, especially solar energy and the development of desalination technologies) and can be transformed into productive economic sectors that create revolution and contribute to economic growth (Ramalingam et al, 2021; Suraparaju and Natarajan, 2021; Bellila et al, 2021;Kabeel and Abdelgaied, 2019;Attia et al, 2016). One of the strategic areas for research and development is desalination of saline water with solar energy, because we are concerned with economic and climate change and its dangerous effects.…”

Section: Introductionmentioning

confidence: 99%

Enhancing The Hemispherical Solar Distiller Performance Using Internal Reflectors And El Oued Sand Grains As Energy Storage Mediums

Attia¹,

Kabeel

Abdelgaied

et al. 2021

Preprint

Self Cite

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The current comprehensive work deals with different solutions, all of which aim to overcome the problem of low productivity of drinking water from solar distillers. Experimental work was carried out on hemispherical distillers which are characterized by a large area of receiving and condensation. This study presented the results of two experimental scenarios to illustrate the influences of internal reflective on hemispherical distiller’s performance in the first scenario. In the second scenario, the influences of internal reflective with El-Oued sand grains as the energy store medium on hemispherical distiller performances was studied. Two experimental scenarios aim to achieve the best configurations that achieve a highest hemispherical distillers performances. To achieves this goal, we designed and fabricated the three hemispherical distillers, the first distiller represents the reference case (Conventional Hemispherical Solar Still - CHSS), the second is the Hemispherical Solar Still with Internal Reflective Mirrors and El-Oued sand grains (HSS-IRM & SG), and a third is the Hemispherical Solar Still with Internal Reflective Aluminum Foil and El-Oued sand grains (HSS-IRAF & SG). The results presented that the cumulative production of reference distiller (CHSS) up to 4750 mL/m2, while use of internal reflective mirrors and El-Oued sand grains (HSS-IRM & SG) increases the production to 9400 mL/m2 day. The maximum improvement in cumulative distillate production, exergy efficiency, and thermal efficiency was recorded for utilization of internal reflective mirrors and El-Oued sand grains (HSS-IRM & SG) which reached 98, 200.9, and 96%, respectively, compared to reference case (CHSS).

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Enhancement of hemispherical solar still productivity using iron, zinc and copper trays

Cited by 137 publications

References 38 publications

Influence of Various Basin Types on Performance of Passive Solar Still: A Review

Influence of Various Basin Types on Performance of Passive Solar Still: A Review

An Experimental Study on Eco-Friendly and Cost-Effective Natural Materials for Productivity Enhancemento Single Slope Solar Still

Enhancing The Hemispherical Solar Distiller Performance Using Internal Reflectors And El Oued Sand Grains As Energy Storage Mediums

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