지하저수지(ASR) 유입수 전처리기법 개발: 물리적 폐색 저하 및 수량공급원활을 위한 2 단계 급속여과지
(주)코리아스칼라
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- 2023.04.05
- 최종 저작일
- 2015.06
- 9페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 대한상하수도학회
ㆍ수록지정보 : 상하수도학회지 / 29권 / 3호
ㆍ저자명 : 박병주, 도시현, 홍성호
영어 초록
Two step rapid filter system as a pre-treatment for the injected water into aquifer storage and recovery (ASR) in Korea was developed to reduce physical blockage and secure the volume of the injected water. First, single rapid sand filters with three different media sizes (0.40.7, 0.71.0 and 1.01.4 mm) were tested. Only two sizes (0.40.7 and 0.71.0 mm) satisfied target turbidity, below 1.0 NTU. However, they showed the fast head loss. To prevent the fast head loss and secure the volume of the injected water, a rapid anthracite filter with roughing media size (2.03.4 mm) were installed before a single rapid sand filter. As results, both the target turbidity and reduction of head loss were achieved. It was determined that the media size for a rapid sand filter in two step rapid filter system (i.e. a rapid anthracite filter before a rapid sand filter) was 0.71.0 mm. In addition, the effects of coagulant doses on the removal of natural organic matter (NOM), which might cause a biological clogging, were preliminarily evaluated, and the values of UV254, dissolved organic carbon (DOC) and SUVA were interpreted.
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