Effects of coal and charcoal on solar-still performance

Okeke, C. E.; Egarievwe, S.U.; Animalu, A. O. E.

doi:10.1016/0360-5442(90)90035-z

Cited by 70 publications

(16 citation statements)

References 2 publications

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“…Also coarse size charcoal part icles give acceptable results at high flow rates. C. E.Okeke et al [27]used coal and charcoal particle to study its effect on solar still productivity. The test was carried out with fine part icles of charcoal, charcoal p ieces, coal prices, and coal and charcoal mixture.…”

Section: 5charcoal Particlesmentioning

confidence: 99%

Reviewson different energy absorbing materials for performance analysis of solar still

2014

IJAERD

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Section: 5charcoal Particlesmentioning

confidence: 99%

Reviewson different energy absorbing materials for performance analysis of solar still

2014

IJAERD

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“…Environmental conditions are site specific and hence cannot be changed, however design and operational parameters can be changed to obtain higher yield. Still yield is directly proportional to the solar radiation intensity [5]. Solar radiation enters the still trough transparent covers and then absorbed by basin material to heat the water.…”

Section: Introductionmentioning

confidence: 99%

Effect of orientation on the yield of low cost solar stills with coco peat and charcoal as an absorber material

Balu¹,

Naveen²,

Premalatha³

2019

DWT

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Effect of the orientation on the yield of the stills has been discussed in this experimental work. Two identical modified stills S1 and S2 fabricated, each with 0.5 m 2 of basin area. Stills had transparent glass walls with trough to collect the condensate from the walls. Mixture of highly porous coco peat and charcoal were used as basin material. Still S1 had North-South (N-S) orientation with cover slope due south whereas still S2 had East-West (E-W) orientation with cover slope due east. Experiments were conducted by changing the water quantity in the solar stills ranging from 5 to 10 kg. Maximum distillate output of 5.67 L/m 2-d was obtained for S1, whereas it was 5.45 L/m 2-d for S2 for an average solar radiation intensity of 695 W/m 2 (25 MJ/m 2-d). The increase in the yield of S1 over S2 due to the orientation was found to be in the range of 0% to 11%.Use of transparent walls increased the condenser area by 78.4%.The distillate water cost per litre was estimated as Rs. 0.86 (0.013 US$) and Rs.0.90 (0.014 US$) for S1 and S2 respectively. Energy payback time (EPT) for stills S1 and S2 was estimated as 4 months.

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“…A number of attempts were made to improve the productivity of solar stills. To improve the radiation absorption capability of the horizontal basin still, dyes [6] and charcoal pieces [7] were added to the basin water. To store excess energy during nocturnal or cloudy time and to increase effective surface area of the basin, different energy storing and wick materials were used in the basin [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Experimental and analytical study on productivity augmentation of a novel solar humidification–dehumidification (HDH) system

2015

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Effects of coal and charcoal on solar-still performance

Cited by 70 publications

References 2 publications

Reviewson different energy absorbing materials for performance analysis of solar still

Reviewson different energy absorbing materials for performance analysis of solar still

Effect of orientation on the yield of low cost solar stills with coco peat and charcoal as an absorber material

Experimental and analytical study on productivity augmentation of a novel solar humidification–dehumidification (HDH) system

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