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http://dx.doi.org/10.11001/jksww.2019.33.4.311

Effectiveness of elimination inflowing algae in water treatment plant using natural algae remover  

Jung, Hoyoung (Department of Convergence Science Technology, Graduate School of Venture Hoseo University)
Kim, Younghee (Department of Convergence Science Technology, Graduate School of Venture Hoseo University)
Publication Information
Journal of Korean Society of Water and Wastewater / v.33, no.4, 2019 , pp. 311-319 More about this Journal
Abstract
The purpose of this study was to analyze water treatment characteristics, including the efficiency of removing algae from water purification plants, by installing a demonstration facility for decontamination of algae, including natural algae remover injection equipment, in the water purification plant. Jar-test showed that the optimum injection of natural decontaminant was 20 mg/L. Of the water contaminant treatment efficiency of the intake and water purification plants, Chl-a averaged 74.0% elimination efficiency from $5.0mg/m^3$ to $1.3mg/m^3$ and the maximum treatment efficiency was 91.5% removal efficiency when the inflow concentration of Chl-a was $11.8mg/m^3$. In addition, 51.2% and 47.1% of the taste and odor indicator items, geosmin and 2-MIB, resulted from the overgrowth and decaying of algae, respectively, to identify toxic substances and odor reduction effects. In addition, elimination efficiencies of SS and Turbidity materials were higher than 70.0%. In the injection of natural algae remover, no effects such as sudden changes in water quality due to secondary reactions were found, and appropriate levels were maintained under water treatment conditions.
Keywords
Natural algae remover; Pre-treatment; Optimization; Water pollutant;
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