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토양 복원 작업으로부터 배수된 물에 대한 수처리 시스템
( Hideo Minato ),( Tatsuo Morimoto ),( Michiharu Sakaguchi ),( Tetsuji Ozaki ),( Ki An Cho ),( Jae Wan Pak ) 한국폐기물자원순환학회 2002 APLAS Vol.2002 No.2
토양 복원으로부터 배수된 물은 기준 농도에 만족시키기 위해서 적절한 처리가 이루어져야만 한다. 토양 복원 작업은 설정된 사항에 따라 site 마다 임시적으로 일어나며, 배수된 물의 특성은 각 site의 상태와 연령에 의존하여 다양하게 변하게 된다. 배수된 물에 대한 처리시설 설계는 매우 호환적이다. 배수된 물에 함유한 오염물질들은 침전방법으로 제거가 일어나며, 부유물질 혹은 용존성 중금속 이온 같은 침전하기 어려운 물질은 침전 방법으로 제거하기 위해서 고형물 형태로 전환되어야만 한다. 본 연구에서, TRP는 중금속 회수를 위한 가장 효과적인 약품이며, 종합적인 운영비용을 최소하기 위해, 첨가제의 양을 감소시킬 수 있는 것으로 판단된다. The water that drained from land remediation works must be treated to satisfy the limit of required values for the concentration of pollutants. As the land remediation works occur temporarily site-by-site following the demands, and the nature of the drained water varies depending on the histories and conditions of each sites, design of water treatment system for the drained water must be flexible. Contaminants contained in the drained water are removed out by precipitation method. Materials that difficult to precipitate such as suspended substances or dissolved metal ions must be converted to the solid form to be removed out by the precipitation. Adjustment of pH and use of flocculating agent is helpful for the conversion and the precipitation. We found TRP is one of the most effective agents for recovery of heavy metals, reducing the amount of other additive agents so that to minimize the total operating cost.
WATER TREATMENT SYSTEM FOR DRAINAGE FROM LAND REMEDIATION WORKS
( Hideo Minato ),( Tatsuo Morimoto ),( Michiharu Sakaguchi ),( Tetsuji Ozaki ),( Ki An Cho ),( Jae Wan Pak ) 한국폐기물자원순환학회 2002 APLAS Vol.2002 No.1
The water that drained from land remediation works must be treated to satisfy the limit of required values for the concentration of pollutants. As the land remediation works occur temporarily site-by-site following the demands, and the nature of the drained water varies depending on the histories and conditions of each sites, design of water treatment system for the drained water must be flexible. Contaminants contained in the drained water are removed out by precipitation method. Materials that difficult to precipitate such as suspended substances or dissolved metal ions must be converted to the solid form to be removed out by the precipitation. Adjustment of pH and use of flocculating agent is helpful for the conversion and the precipitation. We found TRP is one of the most effective agents for recovery of heavy metals, reducing the amount of other additive agents so that to minimize the total operating cost.