Evaluation of a concrete cascade solar still
Identifieur interne : 000251 ( Main/Exploration ); précédent : 000250; suivant : 000252Evaluation of a concrete cascade solar still
Auteurs : D. A Balladin ; O. Headley ; Arlene RoachSource :
- Renewable Energy [ 0960-1481 ] ; 1999.
English descriptors
- KwdEn :
- Assay, Balladin, Calcium pro_les, Calcium zinc sodium, Cascade, Chloride, Chloride ions, Concrete cascade, Conductivity, Conductivity turbidity, Economic parameters, Elsevier science, Headley, Heavy metals, Microbiological, Microbiological assay, Microbiological assays, Parameter, Parameter weighting, Pearson correlation matrix, Petri dishes, Renewable, Same purpose, Scatterplot matrix, Solar distillation, Solar stills, Solids chloride, Storage period, Turbidity, Water quality, Water quality index, Water quality indices, Water samples, West indies.
- Teeft :
- Assay, Balladin, Calcium pro_les, Calcium zinc sodium, Cascade, Chloride, Chloride ions, Concrete cascade, Conductivity, Conductivity turbidity, Economic parameters, Elsevier science, Headley, Heavy metals, Microbiological, Microbiological assay, Microbiological assays, Parameter, Parameter weighting, Pearson correlation matrix, Petri dishes, Renewable, Same purpose, Scatterplot matrix, Solar distillation, Solar stills, Solids chloride, Storage period, Turbidity, Water quality, Water quality index, Water quality indices, Water samples, West indies.
Abstract
Abstract: The quality of the distilled water produced by the Concrete Cascade Solar Still wasevaluated by the comparison with the conventional electrically powered still used for the samepurpose and the quality of the tap water intake prior to these investigations. The samples weredrawn from the following areas: the cascade solar still (over a continuous five days period) ; theelectrically powered still; and a five day storage period (in the dark) of the previouslymentioned areas. The Water Quality Indices (WQI) were 4.50, 3.76 and 29.35 for the watersamples from the cascade solar still, the electrically powered still and tap water respectively. Theheavy metals and sodium and calcium profiles also showed that the tap water had higherconcentrations of these metals. However, the microbiological assays showed that the cascadesolar still had the highest colonies forming units (1400 CFU/ml) , with respect to the electricallypowered still (22 CFU/ml) and tap water (12 CFU/ml) . The C.V. for the selected parameterswere: 0.875, 0.214, 2.060, 1.443, 2.109, 0.218, 1.888, 0.436, 1.082, 1.081 and 0.939 for theconcentrations of iron, lead, calcium, zinc and sodium, and the values of pH, conductivity,turbidity, total suspended solids, chloride ions and microbiological assays respectively.
Url:
DOI: 10.1016/S0960-1481(98)00026-3
Affiliations:
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Le document en format XML
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<term>Solar stills</term>
<term>Solids chloride</term>
<term>Storage period</term>
<term>Turbidity</term>
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<front><div type="abstract" xml:lang="en">Abstract: The quality of the distilled water produced by the Concrete Cascade Solar Still wasevaluated by the comparison with the conventional electrically powered still used for the samepurpose and the quality of the tap water intake prior to these investigations. The samples weredrawn from the following areas: the cascade solar still (over a continuous five days period) ; theelectrically powered still; and a five day storage period (in the dark) of the previouslymentioned areas. The Water Quality Indices (WQI) were 4.50, 3.76 and 29.35 for the watersamples from the cascade solar still, the electrically powered still and tap water respectively. Theheavy metals and sodium and calcium profiles also showed that the tap water had higherconcentrations of these metals. However, the microbiological assays showed that the cascadesolar still had the highest colonies forming units (1400 CFU/ml) , with respect to the electricallypowered still (22 CFU/ml) and tap water (12 CFU/ml) . The C.V. for the selected parameterswere: 0.875, 0.214, 2.060, 1.443, 2.109, 0.218, 1.888, 0.436, 1.082, 1.081 and 0.939 for theconcentrations of iron, lead, calcium, zinc and sodium, and the values of pH, conductivity,turbidity, total suspended solids, chloride ions and microbiological assays respectively.</div>
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