정수처리장 내 미량오염물질 제어를 위한 산화제 주입량 결정에 관한 총설
(주)코리아스칼라
- 최초 등록일
- 2023.07.03
- 최종 저작일
- 2023.04
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서지정보
ㆍ발행기관 : 대한상하수도학회
ㆍ수록지정보 : 상하수도학회지 / 37권 / 2호
ㆍ저자명 : 김민식, 임정현
목차
ABSTRACT
1. 서 론
2. 회분식 실험을 통한 산화제 최적 주입량 결정
3. 미량오염물질 산화분해 모델링
4. 오존산화공정에서 산화제 노출량 실시간 측정
5. 수질인자 기반 산화제 노출량 예측
5.1 염소 노출량 예측
5.2 과망간산염 노출량 예측
5.3 오존 및 수산화라디칼 노출량 예측
6. 결 언
사 사
References
영어 초록
The emergence of micropollutants in natural water sources due to the overuse of anthropogenic chemicals in industry and households has threatened the production of clean and safe tap water in drinking water treatment plants. Conventional physicochemical processes such as coagulation/flocculation followed by sand filtration are not effective for the control of micropollutants, whereas chemical oxidation processes (applying chlorine, permanganate, ozone, etc.) are known to be promising alternatives. Determining the optimum oxidant dose is important issue related to the production of disinfection by-products as well as unnecessary operating cost, and is made possible by simulations of target-micropollutant abatement based on kinetic model equation consisting of second-order rate constant (between the oxidant and the target) and oxidant exposure. However, the difficulty in determining oxidant exposure as a function of complex water quality parameters limits the field application of kinetic model equation. With respect to representative oxidants used in drinking water treatment plants, this article reviews two main approaches for determining oxidant exposure: i) direct measurement in situ and ii) prediction by empirical models based on key water quality parameters. In addition, we discussed research requirements to improve the predictive accuracy of the empirical models for oxidant exposure and to develop a rational algorithm to determine optimal oxidant dose by considering the priority of the target pollutants to be treated.
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