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http://dx.doi.org/10.15681/KSWE.2014.30.6.653

Treatment of Phosphorus Species using Iron Coagulation and Fenton Oxidation  

Park, Sung-Hwan (Department of Environmental Engineering, Changwon National University)
Moon, Byung-Hyun (Department of Environmental Engineering, Changwon National University)
Publication Information
Journal of Korean Society on Water Environment / v.30, no.6, 2014 , pp. 653-657 More about this Journal
Abstract
Effects of $H_2O_2$ addition for fenton oxidation on iron coagulation for treatment of phosphorus species, such as orthophosphate, metaphosphate, pyrophosphate, organic phosphate, were investigated. The effects of coagulant dosage, hydrogen peroxide dosage and the combined sequence ferric coagulation and $H_2O_2$ addition for fenton oxidation and coagulation were studied. The characteristics of floc growth rate were monitored using the PDA. The removal efficiencies of phosphorus species by iron coagulation were increased as Fe/P molar ratio increased. However, the removal efficiencies of metaphosphate, pyrophosphate, organic phosphate by a ferric coagulation were not increased as Fe/P molar ratio increased. The removal efficiency of metaphosphate, pyrophosphate, organic phosphate was increased by using iron coagulation and $H_2O_2$ addition for fenton oxidation. The result indicated that non-reactive phosphorus after iron coagulation was changed to reactive phosphorus by $H_2O_2$ addition for fenton oxidation and the oxidized iron enhanced the coagulation efficiencies.
Keywords
Fenton oxidation; Floc size; Iron coagulation; Phosphorus removal; Phosphorus species;
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Times Cited By KSCI : 5  (Citation Analysis)
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