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커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Nepal is a landlocked mountainous country in South Asia, located between China to the north and India to the south, east, and west. As such, wastewater management has become one of the most significant problems in urban area of Nepal. In Nepal, the centralized wastewater treatment systems were dysfunctional due to high cost of operation, discontinuous power supply, lack of proper maintenance and proper technical workforce to address the issues. As such, constructed wetlands (CW) were applied to treat various secondary wastewater as alternative to wastewater treatment facilities. Generally, efficiency and sustainability of CW technology depends on proper operation and maintenance and active community involvement. This study summarizes information about 26 CW in Nepal.
Specifically, factors including data banking, removal efficiency, quality of discharged water, compliance to water quality standard of Nepal and operation and maintenance were investigated. Considering removal efficiency per pollutant, Ka-1 achieved the greatest reduction for most pollutant followed by B-1, L-3, Ka-5 and K-1. Nepal has practiced CW technology for more than 2 decades but currently, development of technology was interrupted by the inefficient performance of existing facilities. Public awareness about the technology, natural disaster, unavailability of specified substrate materials, lack of fund for further research and experiments has hindered the expansion of technology. In spite of these concerns, CW was still proven as an alternative solution to the present wastewater problems in urban areas of Nepal.
목차
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참고문헌 (23)
참고문헌 신청
Davies, LR / 2015 / Dewats for urban Nepal: a comparative assessment for community wastewater management / Waterlines 34 (2) : 120 ~ 137
Environment and Public Health Organization (ENPHO) / / Factsheet on decentralized wastewater treatment systems 1 to 10 (DEWATS)
Gikas, GD / 2014 / Municipal wastewater treatment using constructed wetlands / Water Utility Journal 8 : 57 ~ 65
Green, H / 2003 / Wastewater treatment in Kathmandu, Nepal - / Master’s / Massachusetts Institute of Technology (MIT)
Gurung, A / 2012 / An overview of water pollution and constructed wetlands for sustainable wastewater treatment in Kathmandu Valley: A review / Scientific Research and Essays
Environment and Public Health Organization (ENPHO) / / Factsheet on decentralized wastewater treatment systems 1 to 10 (DEWATS)
Gikas, GD / 2014 / Municipal wastewater treatment using constructed wetlands / Water Utility Journal 8 : 57 ~ 65
Green, H / 2003 / Wastewater treatment in Kathmandu, Nepal - / Master’s / Massachusetts Institute of Technology (MIT)
Gurung, A / 2012 / An overview of water pollution and constructed wetlands for sustainable wastewater treatment in Kathmandu Valley: A review / Scientific Research and Essays
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