Development Hybrid Filter System for Applicable on Various Rainfall

Jiyeon Choi; 김순석; 이소영; 남귀숙; Cho Hye-Jin; LeeHyung Kim

Development Hybrid Filter System for Applicable on Various Rainfall

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다양한 강우사상에 대응 가능한 침투여과형 기술개발

Type: Academic journal

Author: Jiyeon Choi 김순석 이소영 남귀숙 Cho Hye-Jin LeeHyung Kim

Journal: 한국습지학회 한국습지학회지 한국습지학회지 제15권 제4호 KCI Accredited Journals

Published: 2013.1

Pages: 535 - 541 (7page)

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Development Hybrid Filter System for Applicable on Various Rainfall

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The urbanization affects significantly on a natural water circulation system by increasing the imperviousness rate. It is also negatively affecting on urban temperature, environmental pollution, water quality, and aqua-ecosystems. The Korea MOE (Ministry of Environment) adapted a new environmental policy in order to reduce the impact of urbanization, which is the Green Stormwater Infrastructure (GSI) program. The GSI can be achieved by protecting conservable green spaces, enlarging more green spaces, and constructing more permeable pavements. The GSI is including many different techniques such as bioretention, rain garden, infiltration trench and so on. Also It is the infrastructures using natural mechanisms of soils, microorganisms, plants and animals on a water circulation system and pollutant reduction. In this research, a multi functional GSI technology with infiltration-filtration mechanisms has been developed and performed lab-scale tests to evaluate the performances about infiltration rate restoration and pollutant reduction. The most of pollutants including metals, organics and particulates were reduced about 50~90% due to water infiltration and storage functions. The clogging was found when the TSS loading rate was reached on 8.3~9.0 kg/m2, which value is higher than the values in literatures. It means the new technology can show high performances with low maintenances.

#침투여과 #다양한 강우사상 #물순환 시스템 #비점오염원 #Green Stormwater Infrastructure #GSI) #Infiltration-filtration #LID #NPS #Water circulation system

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