본 연구에서는 호소 수체에 산소를 포기시켜 주는 마이크로 버블 발생장치를 충남 아산에 위치하고 있는 죽산호에 설치하여 수체에 미치는 수리학적 영향반경과 용존산소 (DO) 농도 분포를 ...
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https://www.riss.kr/link?id=A103049339
최선화 (한국농어촌공사 농어촌연구원) ; 박형석 (충북대학교 환경공학과) ; Choi, Sunhwa ; Park, Hyungseok
2016
Korean
학술저널
263-271(9쪽)
2
0
상세조회0
다운로드국문 초록 (Abstract)
본 연구에서는 호소 수체에 산소를 포기시켜 주는 마이크로 버블 발생장치를 충남 아산에 위치하고 있는 죽산호에 설치하여 수체에 미치는 수리학적 영향반경과 용존산소 (DO) 농도 분포를 ...
본 연구에서는 호소 수체에 산소를 포기시켜 주는 마이크로 버블 발생장치를 충남 아산에 위치하고 있는 죽산호에 설치하여 수체에 미치는 수리학적 영향반경과 용존산소 (DO) 농도 분포를 조사하였다. 수체에 미치는 수리학적 영향반경은 로다민 염료를 이용한 추적실험을 하였으며, 마이크로 버블 제트류의 수평방향으로 총 160 m 길이의 가이드라인을 설치하여 10 m 지점마다 수심 1 m, 2 m, 3 m에서 로다민 농도, 수온, DO 등을 측정하였다. 죽산호의 로다민 배경농도는 $0.3-0.5{\mu}g/L$이었고, 용액 주입 후 15분 이내에 20-40 m 거리까지 확산되었으며, 거리 50-120 m의 수심 2 m 지점에서 로다민 농도가 $3.1-12{\mu}g/L$를 나타냈다. 본 연구결과로부터 마이크로 버블 발생장치의 제트류에 의한 직접적인 영향 범위는 40-50 m이고, 그 이후에는 이류 및 확산에 의한 영향으로 120 m까지 이동하는 것으로 나타났다. 수중 DO 농도는 경과시간과 이격 거리에 상관없이 7.4-12.6 mg/L의 농도를 유지하였고, 마이크로 버블 적용 전의 호소 바닥층 DO 0.2 mg/L에서 운영 후 8.0 mg/L 이상으로 DO가 개선되는 것으로 나타났다. 본 연구 결과에 의하면 마이크로 버블 포기 기술은 농업용 호소의 수질 관리와 개선에 기여할 것으로 기대된다.
다국어 초록 (Multilingual Abstract)
This study investigated the hydraulic impact scope and dissolved oxygen (DO) concentration distribution by the micro-bubble aeration in the Juksan Lake located in Asan city in Chungcheongnam-do province. A tracing experiment for hydraulic impact scope...
This study investigated the hydraulic impact scope and dissolved oxygen (DO) concentration distribution by the micro-bubble aeration in the Juksan Lake located in Asan city in Chungcheongnam-do province. A tracing experiment for hydraulic impact scope was used which constituted a 20% rhodamine solution. A 160 m-guideline was installed in the horizontal direction of the micro-bubble jet flow and the rhodamine concentration, water temperature, and DO concentration were measured at depths of 1 m, 2 m, and 3 m at intervals of 10 m. In the Juksan Lake, the effective range of jet flow discharged by the micro-bubble generator was about 40 m, and after then the jet plume moved up to 80 m to 120 m through the advection and diffusion processes of ambient water. DO concentration in the lake was maintained at 7.4-12.6 mg/L during tracking experiment. The DO of the lake sediments improved from 0.2 mg/L to 8.0 mg/L after applying micro-bubble aeration. In conclusion, the micro-bubble aeration can be an effective technology for the management and improvement of water quality in an agricultural reservoir.
참고문헌 (Reference)
1 임지영, "마이크로버블 공급에 의한 폭기조내 교반과 용존산소 분포 특성" 한국산학기술학회 17 (17): 251-259, 2016
2 Kim, G. R, "Water treatment using by micro-bubble-domestic application-" 4 (4): 37-42, 2013
3 Kim, B. C., "The hypolimnetic anoxic zone and the metalimnetic oxygen minimum layer in a deep reservoir Lake Soyang" 22 : 159-166, 1989
4 MAFRA, "The Study on Water Quality Monitoring of the Agricultural Reservoirs (2013)" Rural Research Institute, Ministry of Agriculture Food and Rural Affairs (MAFRA) and Korea Rural Community Corporation (KRC) 50-142, 2013
5 MAFRA, "The Study on Management and Control of the Agricultural Reservoir Sediments" Rural Research Institute, Ministry of Agriculture Food and Rural Affairs (MAFRA) and Korea Rural Community Corporation (KRC) 2015
6 MAFRA, "The Study on Convergence Technologies Development and Application for Agricultural Water Treatment (II)" Rural Research Institute, Ministry of Agriculture Food and Rural Affairs (MAFRA) and Korea Rural Community Corporation (KRC) 166-171, 2015
7 MAFRA, "The Study on Convergence Technologies Development and Application for Agricultural Water Treatment (I)" Rural Research Institute, Ministry of Agriculture Food and Rural Affairs (MAFRA) and Korea Rural Community Corporation (KRC) 2014
8 Choi, S.H, "Study on main factors affecting water quality using a multivariate statistical analysis in the agricultural lakes" 22 : 82-97, 2015
9 Sommaruga, R, "Sediment oxygen demand in manmade Lake Ton-Ton(Uruguay)" 215 : 215-221, 1991
10 Cha, H. S, "Present state and future prospect for micro-bubble technology" 22 : 544-552, 2009
1 임지영, "마이크로버블 공급에 의한 폭기조내 교반과 용존산소 분포 특성" 한국산학기술학회 17 (17): 251-259, 2016
2 Kim, G. R, "Water treatment using by micro-bubble-domestic application-" 4 (4): 37-42, 2013
3 Kim, B. C., "The hypolimnetic anoxic zone and the metalimnetic oxygen minimum layer in a deep reservoir Lake Soyang" 22 : 159-166, 1989
4 MAFRA, "The Study on Water Quality Monitoring of the Agricultural Reservoirs (2013)" Rural Research Institute, Ministry of Agriculture Food and Rural Affairs (MAFRA) and Korea Rural Community Corporation (KRC) 50-142, 2013
5 MAFRA, "The Study on Management and Control of the Agricultural Reservoir Sediments" Rural Research Institute, Ministry of Agriculture Food and Rural Affairs (MAFRA) and Korea Rural Community Corporation (KRC) 2015
6 MAFRA, "The Study on Convergence Technologies Development and Application for Agricultural Water Treatment (II)" Rural Research Institute, Ministry of Agriculture Food and Rural Affairs (MAFRA) and Korea Rural Community Corporation (KRC) 166-171, 2015
7 MAFRA, "The Study on Convergence Technologies Development and Application for Agricultural Water Treatment (I)" Rural Research Institute, Ministry of Agriculture Food and Rural Affairs (MAFRA) and Korea Rural Community Corporation (KRC) 2014
8 Choi, S.H, "Study on main factors affecting water quality using a multivariate statistical analysis in the agricultural lakes" 22 : 82-97, 2015
9 Sommaruga, R, "Sediment oxygen demand in manmade Lake Ton-Ton(Uruguay)" 215 : 215-221, 1991
10 Cha, H. S, "Present state and future prospect for micro-bubble technology" 22 : 544-552, 2009
11 Tomaszek, J, "Oxygen consumption by bottom sediments" 24 : 3045-3049, 1991
12 Kim, H. J., "Implement of water quality environment using by micro-bubble-abroad application-" 4 (4): 43-48, 2013
13 Kim, J. B., "Implement of water quality environment using by micro-bubble" 4 (4): 30-36, 2013
14 Kang, Y. M., "Effect of bottom sediments on oxygen demand of overlying water in onshore of Lake Paldang" 33 : 23-30, 2000
15 Gelda, R. K., "Determination of sediment oxygen demand by direct measurement and by inference from reduced species accumulation" 46 : 81-88, 1995
16 Belanger, T. V, "Benthic oxygen demand in Lake Apopka, Florida" 15 : 267-274, 1981
17 Takada, K., "Benthic oxygen consumption in Lake Suwa" 24 : 1091-1094, 1991
18 MAFRA, "2013 Annual Report on Agricultural Production" Rural Research Institute, Ministry of Agriculture Food and Rural Affairs (MAFRA) and Korea Rural Community Corporation (KRC) 2014
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