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Erschienen in:
2013 | OriginalPaper | Buchkapitel
A Systematic Study and Statistical Inferences on Electrocoagulation Design Parameters with Reference to Arsenic Removal
verfasst von : Chanchal Majumder
Erschienen in: Proceedings of the International Symposium on Engineering under Uncertainty: Safety Assessment and Management (ISEUSAM - 2012)
Verlag: Springer India
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Abstract
Effects of three electrocoagulation design factors such as current density (i=I/A), electrode area to volume ratio (r=A/V), and charge density (q=I*t/V) are investigated for arsenic removal from synthetic groundwater by electrocoagulation. Two-level four-factor full-factorial-designed experiment is used to arrive at the conclusion of the factors’ effect. Statistical inferences are drawn on the three factors and found that current density is not a significant factor if the factor is studied by varying the electrode area keeping current strength constant. Similarly, electrode area to volume ratio (r=A/V) is not significant if the factor is studied by varying the electrode area. The study showed that charge density (q=I*t/V) is the significant factor in arsenic removal. Effects of current density (i) and area to volume ratio (r) should be studied in such a way that during the study, charge density (q) is not varied.