KSCE Journal of Civil and Environmental Engineering Research (대한토목학회논문집)

Korean Society of Civil Engeneers (대한토목학회)
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Effects of Environmental Infrastructure Regeneration in Urban Region - A Case Study of M Apartment Complex in Daejeon

도시 단지내 환경 인프라 재생 효과 고찰 - 대전시 M 아파트 단지 사례연구

  • Received : 2013.12.06
  • Accepted : 2014.10.30
  • Published : 2015.04.01
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Abstract

This study introduces a resource recycling system in urban apartment complex using four different technologies. The four technologies, called 4G, include a production technology for reclaimed water (Green water), a biogas production technology from organic waste (Green biogas), a reuse technology of rainwater (Green rainwater), and urban agropark (Green pyramid). Green water is the technology for producing the reclaimed water from wastewater, rainwater and underground water, and the average concentrations of BOD, SS, T-N and coliform of reclaimed water were 7.8mg/L, ND (not detected), 4.9mg/L and ND, respectively. Green biogas is the technology for producing biogas and effluent after treating organic wastes (e.g. food waste and night soil) discharged from households, and the average production rates of hydrogen and methane were $0.33m^3/m^3/d$ and $0.24m^3/m^3/d$, respectively. Green pyramid, agricultural farm operated by biogas and reclaimed water, provides a healthy and recreational space for residents, and plant growth rates using treated water and reclaimed water showed height of 1.32cm and weight of 112.8g. Therefore, 4G technologies can improve the recycling rate and treatment efficiencies of waste and wastewater in an apartment complex.

본 연구는 실제 아파트 단지의 재생이 필요한 환경 인프라를 경제적이고 효율적인 녹색 인프라 기술로 재생하기 위한 계획을 수립하였으며, 단지내 물과 폐기물의 자원 순환 및 재이용을 위해 단지형 도시 중수 생산 기술과 단지형 유기성 폐기물 에너지화 기술, 무막힘 탄성포장 우수 재이용 기술, 도시농장 기술을 현장에 적용한 결과를 보여주고 있다. 도심 중수 생산 기술은 하수, 우수, 지하수를 대상으로 중수를 생산하여 단지내 공공용수로 이용하기 위한 기반 기술이며, 무막힘 탄성포장 우수배수구 기술은 단지 내에서 우수의 재이용율 극대화시키기 위한 기반 기술이다. 유기성 폐기물 에너지화 기술은 단지에서 발생하는 음식폐기물 및 분뇨 등의 유기성 폐기물을 처리하는 과정에서 바이오가스와 비료를 만들어 에너지원으로 활용할 수 있으며, 도시농장은 재생용수, 재생에너지, 재생비료를 활용하여 주거민들의 건강 및 여가공간으로 활용할 수 있는 기반기술이다. 이를 통해 단지 내에서 자원 순환 및 재이용이 가능한 하나의 에코시스템을 구축하였으며, 재생 후 녹색지표결과에서 에너지 부문은 4.23, 물부문은 0.32, 폐기물 부문은 0, 토지이용 부문은 0, 환경부문은 2.12가 상승하는 결과를 가져올 수 있었다.

Keywords

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