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 5.0 mg/m3 to 1.3 mg/m3 and the maximum treatment efficiency was 91.5% removal efficiency when the inflow concentration of Chl-a was 11.8 mg/m3. 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.

ABSTRACT
1. 서 론
2. 연구방법
    2.1 연구개요
    2.2 실험 장치
    2.3 실험 방법
    2.4 Jar-test
3. 결과 및 고찰
    3.1 취수장 유입수 특성
    3.2 취수장 처리수(정수장 유입수) 특성
    3.3 천연 조류 제거제 주입에 의한 처리효율 분석
    3.4 개별 항목 수 처리 효율 특성
4. 결 론
References

• 정호영(호서대학교 벤처대학원 융합과학기술학과) | Hoyoung Jung (Department of Convergence Science Technology, Graduate School of Venture Hoseo University)
• 김영희(호서대학교 벤처대학원 융합과학기술학과) | Younghee Kim (Department of Convergence Science Technology, Graduate School of Venture Hoseo University) Corresponding author