Annual performance analysis of a single-basin passive solar still coupled with evacuated tubes: comprehensive study in climate conditions of Mahesana, Gujarat

Panchal, Hitesh; Sathyamurthy, Ravishankar; Pandey, A.K.; Kumar, Mahesh; Arunkumar, T.; Patel, D. K.

doi:10.1080/01430750.2017.1378720

Cited by 19 publications

(5 citation statements)

References 15 publications

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“…Therefore, the cost per liter/m 2 from the PSSG1 was calculated as: 50.30/6165 = USD 0.0082. Furthermore, it was also observed that the cost per liter/m 2 of PSSG1 in this study was much lower (i.e., USD 0.0082) than other solar stills reported by previous studies in Pakistan [98], India [56,79,[99][100][101][102][103], Malaysia [50,82], Egypt [95,97,[104][105][106][107], Canada [52], Saudi Arabia [108], Iran [109][110][111][112][113] which reportedly costed at the rates of USD 0.063, 0.2, 0.024, 0.0264, 0.026, 0.86, 0.026, 0.054, 0.105, 0.015, 0.065, 0.049, 0.08, 0.048, 0.06, 0.14, 0.18, 0.039, 0.13, 0.023, 0.019, 0.105 and 0.1652, respectively.…”

Section: Cost Study and Analysis Of The Produced Water By Pssg1supporting

confidence: 46%

Investigation on the Urban Grey Water Treatment Using a Cost-Effective Solar Distillation Still

et al. 2022

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Treating urban grey water with physical, chemical, and biological treatment techniques and reusing it as a sustainable non-potable water source has received much attention recently, yet there is a lack of studies regarding it. In this work, a typical slum nearby an urban household area in Malaysia was selected as a source of contaminated grey water which is located on the opposite side of a building site (100°29′ E and 5°7′ N) located in an urban area in a city in the Perak state, namely Parit Buntar, where the total urban grey water was being accumulated. Poor sanitation of that slum was seen to pose various health risks to the public, and hence, the importance of treating its grey water was perceived. Thus, this study was conducted to evaluate the performance of a low-cost double slope passive solar still by treating the grey water from the aforementioned slum, as well as to analyze the quality, quantity, and cost per liter of the produced water. Grey water was collected and filled in the solar still basin at s depth of 1 cm. The cover and basin of the solar still were made from transparent polythene film and black-painted stainless steel trough, respectively, while the frame was made from polyvinyl chloride (PVC), and the solar still was named PSSG1 abbreviated. PSSG1 was exposed to Malaysia’s climate conditions for several days from 8.00 a.m. to 6.00 p.m. at Universiti Sains Malaysia (USM), which was able to produce the maximum amount of water up to 4.11 L/m2·d with the cost per liter/m2 of only USD 0.0082. Water quality parameters tested showed that water produced from PSSG1 met the standards of the restricted and unrestricted reusable non-potable grey water, the World Health Organization (WHO), and the Malaysian class I drinking water standards. It was also found that the PSSG1 with higher average daily basin water temperature produced water with higher quality for the reuse applications and yielded healthier water compared to the water produced by some reported previous grey water treatment techniques. Therefore, the cost-effective PSSG1 can be used as a daily practical alternative for treating low-strength grey water collected from various urban household areas in Malaysia in order to assist pollutants removal from the drained urban grey waters.

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Section: Cost Study and Analysis Of The Produced Water By Pssg1supporting

confidence: 46%

Investigation on the Urban Grey Water Treatment Using a Cost-Effective Solar Distillation Still

et al. 2022

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“…This indicates that the use of a vacuum tube solar collector has a considerable beneficial influence on the distillation process, resulting in much increased distillate production. 29 Sharma et al 30 conducted both theoretical and practical evaluations on a basic solar still linked to N-identical ETC stacked in series. The EPBT for the system was calculated to be about 1.72 years.…”

Section: Introductionmentioning

confidence: 99%

“…When compared to a regular solar still, the modified solar still demonstrated a stunning 97.6% increase in production. This indicates that the use of a vacuum tube solar collector has a considerable beneficial influence on the distillation process, resulting in much increased distillate production 29 . Sharma et al 30 conducted both theoretical and practical evaluations on a basic solar still linked to N‐identical ETC stacked in series.…”

Section: Introductionmentioning

confidence: 99%

Productivity amelioration of stepped solar still using phase change material and evacuated tube collector

Grewal,

Manchanda,

Kumar

2023

Heat Trans

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This study investigates the individual and cumulative effects of phase change material (PCM) and evacuated tube collector (ETC) on the performance of a stepped solar still (SSS). Experiments have been performed on SSS, SSS loaded with PCM (SSS‐PCM), SSS coupled with ETC (SSS‐ETC), and SSS loaded with PCM and coupled with ETC (SSS‐PCM‐ETC). An innovative way of loading paraffin wax as PCM is introduced to utilize solar energy efficiently for the distillation process during off‐sunshine hours. ETC is used to provide pre‐heated RO wastewater to the distillation unit. The distillate output was observed maximum for SSS‐PCM‐ETC (4.97 kg/m2 day) which is 99% more than that of the SSS unit. The PCM and ETC individually with SSS unit increases the distillate output by 31% and 24%, respectively. The working time of the distillation unit was observed to be increased by 3 h by the use of PCM. The total heat transfer coefficient was evaluated at the maximum for SSS‐PCM‐ETC and was observed in the range of 16.94–167.04 W/m2 °C. The thermal energy efficiencies of SSS, SSS‐ETC, SSS‐PCM, and SSS‐PCM‐ETC were evaluated as 28.65%, 35.59%, 43.88%, and 44.04%, respectively. SSS‐PCM‐ETC is found to be the most economic with the best environmental conservation having maximum values of daily productive cost ($0.69) and carbon credits earned ($184.8).

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“…The use of transparent walls increased the effective available area for condensation by 78.4%. Panchal et al (2019) investigated the performance of a solar still assisted with a heat pipe. From one year comparative study it was found that still with heat pipes have 97.6% improvement in yield compared with conventional still.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation of a pyramid type solar still with porous material: productivity assessment

Yarramsetty

Sharma

Narayana³

2021

WJE

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Purpose This study aims to investigate the effect of porous material (clay pots) and it is facing on the productivity performance of a pyramid type solar still. The clay pots are placed in the basin facing up and facing down. The numbers of clay pots considered were 9 and 25, and its performance was compared with normal (0 clay pots) solar still. Design/methodology/approach The pyramid solar water distillation system has been designed, fabricated and tested under the actual environmental conditions of Kanchikacherla (16.6834 0N, 80.3904 0E), Andhra Pradesh, India. The solar still is used to produce the fresh water and hot water simultaneously from the brackish (i.e. containing dissolved salts) feed water for domestic applications. From open literature, it was established that the rate of evaporation is higher when the flowing water is held for a longer duration on the black color absorber plate, thereby leading to an increase in productivity of freshwater. Therefore, the pyramid solar still has been tested for smooth absorber plate and the absorber plate with porous heat storage material. Findings The porous material increases the production rate of freshwater compared to a base plate. However, the pyramid still with clay pots has higher productivity at a lower temperature because of the porosity effect. Originality/value The total dissolved solids, electrical conductivity and pH of the distilled water and the saline water have also been measured and compared.

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Annual performance analysis of a single-basin passive solar still coupled with evacuated tubes: comprehensive study in climate conditions of Mahesana, Gujarat

Cited by 19 publications

References 15 publications

Investigation on the Urban Grey Water Treatment Using a Cost-Effective Solar Distillation Still

Investigation on the Urban Grey Water Treatment Using a Cost-Effective Solar Distillation Still

Productivity amelioration of stepped solar still using phase change material and evacuated tube collector

Experimental investigation of a pyramid type solar still with porous material: productivity assessment

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