대청호 주원천 인공습지의 오염물질 정화효율 평가
(주)코리아스칼라
- 최초 등록일
- 2023.04.05
- 최종 저작일
- 2015.04
- 12페이지/ 어도비 PDF
- 가격 4,300원
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서지정보
ㆍ발행기관 : 대한상하수도학회
ㆍ수록지정보 : 상하수도학회지 / 29권 / 2호
ㆍ저자명 : 김태훈, 성기은, 하덕호, 김동희, 허순욱, 최충식
영어 초록
This study focused on evaluating the efficiency of the removal of non-point source pollution by Daecheong Lake Juwon Stream constructed wetlands. The constructed wetland system is a surface flow type designed in the year 2007 for purifying eutrophic water of Daecheong Lake Juwon Stream. The value of conductivity, suspended solids(SS), chemical oxygen demand using a potassium permanganate(CODMn), five-day biochemical oxygen demand(BOD5), total nitrogen(T-N), total phosphorous(T-P), and pH in inflow averaged 220.2, 2.46, 3.33, 1.34, 2.00, 0.04 mg/L and 7.24, respectively and in outflow averaged 227.9, 1.12, 3.34, 0.87, 1.16, 0.02 mg/L and 7.45, respectively. The average removal efficiency of constructed wetlands was 30 % for SS, 22 % for BOD5, 45 % for T-N and 31 % for T-P. The removal rates of SS, BOD5 and T-N in the spring, summer and autumn were higher than those in winter. The removal rate of T-P was not significant different in all seasons. The amounts of pollutants removal in the constructed wetlands were higher in the order of 3rd 2nd 1st wetland for SS and T-P, 2nd 3rd 1st wetland for BOD5 and T-N. Therefore, our findings suggest that the constructed wetlands could well treat the eutrophic Daecheong Lake Juwon Stream waters.
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