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This study aims to show the feasibility of wastewater reuse through hydrological analysis and propose a framework for planning using multi-criteria decision making technique. Ten alternatives of wastewater reuse (BOD: 3.0 mg/L & 4.7 mg/L) and two references in the urban watershed were considered and analyzed by using Hydrological Simulation Program in Fortran (HSPF). Though wastewater reuse has a positive effect on water quantity, it may degrade the water quality due to the high discharge concentration. This study showed that wastewater reuse can be a great alternative for the rehabilitation of distorted water cycle, if the quality is improved up to the natural streamflow and the quantity is increased up to the instreamflow requirement. In addition, to determine the project priority, three criteria were compared: 1) impacts on water quantity and water quality, respectively, 2) consideration of present hydrologic vulnerabilities on water quantity and quality and not, and 3) social and economic considerations and not. From the performance values to all criteria, the specific ranking can be derived and the feasibility of each wastewater reuse project can be checked with the comparison of the existing facilities. As a result, DJ and DR were derived to become effective in any evaluation conditions while SS and WG were improper alternatives if various criteria were considered. The decision making for project prioritization must be careful with the consideration of various impacts of wastewater reuse because the evaluation of wastewater reuse alternative showed very different priorities for each criteria.
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참고문헌 (22)
참고문헌 신청
Archillas, Ch. / 2011 / Prioritize Strategies to Confront Environmental Deterioration in Urban Areas : Multicriteria Assessment of Public Opinion and Experts’ Views / Cities 28:414~423
Bicknell, B. R. / 2001 / Hydrologic Simulation Program - Fortran (HSPF) User's Manual for Version 12, U.S. Environmental Protection Agency / National Exposure Research Laboratory
조탁근 / 2007 / 국내 미계측유역의 갈수량 산정 개선 / 한국수자원학회 논문집 40(2):113~124
Chu, J. / 2004 / Wastewater Reuse Potential Analysis : Implications for China's Water Resources Management / Water Research 38:2746~2756
정은성 / 2007 / 다기준 의사결정기법을 이용한 공간위험 순위산정 / 한국수자원학회 논문집 40(12):969~983
Bicknell, B. R. / 2001 / Hydrologic Simulation Program - Fortran (HSPF) User's Manual for Version 12, U.S. Environmental Protection Agency / National Exposure Research Laboratory
조탁근 / 2007 / 국내 미계측유역의 갈수량 산정 개선 / 한국수자원학회 논문집 40(2):113~124
Chu, J. / 2004 / Wastewater Reuse Potential Analysis : Implications for China's Water Resources Management / Water Research 38:2746~2756
정은성 / 2007 / 다기준 의사결정기법을 이용한 공간위험 순위산정 / 한국수자원학회 논문집 40(12):969~983
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