지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.1
- 수록면
- 141 - 149 (9page)
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초록· 키워드
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This study aimed for developing a two stage dual media filtration system. It has a sand and activated carbon layer above the under-drain system, and a sand layer above the middle-drain system for pretreatment. When retrofitting an old sand filter bed or designing a new one, this technology can substitute the existing sand filter bed without requiring a new plant site. The removal rate of total particle is 93, and 3~7 μm and 5~15 μm particles are all 97%.
These high removal efficiencies of each pollutant due to adsorption and biological oxidation in activated carbon filter layer. The best backwashing method of two stage dual media filtration system is ascertained by air injection,air + water injection and water injection sequence. In this study, a pilot plant of two stage and dual filtration system was operated for 4 months in water treatment plant. The stability of turbidity was maintained below 1 NTU. The TOC, THMFP and HAAFP were removed about 90% by two stage and dual media filtration system, which is almost 2 times higher than existing water treatment plant.
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등록된 정보가 없습니다.
참고문헌 (15)
참고문헌 신청
AWWA / 1999 / Water quality and treatment. 5th Ed / McGraw Hill
AWWA / 2000 / Operational control of coagulation and filtration processes - Manual of water supply practices. 2nd ed / AWWA Research Foundation : 51 ~ 66
Amirtharajah, A / 1991 / Optimum backwash of dual media filter and GAC filter adsorbers with air scour / AWWA Research Foundation
Boorman GA / 1999 / Drinking water disinfection byproducts: Review and approach to toxicity evaluation / Env Heal Perspt 107 (1) : 207 ~ 217
Kim CH / 2003 / International seminar on membrane filtration technology for water supply / J Kor Soc Water and Wastewater 17 (5) : 594 ~ 605
AWWA / 2000 / Operational control of coagulation and filtration processes - Manual of water supply practices. 2nd ed / AWWA Research Foundation : 51 ~ 66
Amirtharajah, A / 1991 / Optimum backwash of dual media filter and GAC filter adsorbers with air scour / AWWA Research Foundation
Boorman GA / 1999 / Drinking water disinfection byproducts: Review and approach to toxicity evaluation / Env Heal Perspt 107 (1) : 207 ~ 217
Kim CH / 2003 / International seminar on membrane filtration technology for water supply / J Kor Soc Water and Wastewater 17 (5) : 594 ~ 605
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