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안정화제 처리에 따른 중금속 오염 농경지 복원의 효율성 평가: 현장실증시험
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  • 안정화제 처리에 따른 중금속 오염 농경지 복원의 효율성 평가: 현장실증시험
저자명
오세진,김성철,윤현수,김하나,김태환,연규훈,이진수,홍성조,양재의,Oh. Se-Jin,Kim. Sung-Chul,Yoon. Hyun-Soo,Kim. Ha-Na,Kim. Tae-Hwan,Yeon. Kyu-Hun,Lee. Jin-Soo
간행물명
韓國土壤肥料學會誌
권/호정보
2011년|44권 6호|pp.1052-1062 (11 pages)
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한국토양비료학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Residual of heavy metals originated from abandoned metal mines in agricultural field can cause adverse effect on ecosystem and eventually on human health. For this reason, remediation of heavy metal contaminated agriculture field is a critical issue. In this study, five different amendments, agriculture lime, dolomite, steel slag, zeolite, and compost, were evaluated for stabilization efficiency of heavy metals in agricultural field. Applied mixing ratio of amendments was varied (2% or 6%) depending on properties of amendments. Result showed that soil pH was increased compared to control (6.1-6.7) after mixing with amendments and ordered as dolomite (7.2~8.3) > steel slag (6.7~8.1) > agriculture lime (6.6~7.4) > zeolite (6.2~6.9) > compost (6.1~7.1). Among other amendments, agriculture lime, steel slag, and dolomite showed the highest stabilization efficiency of heavy metals in soil. For Cd, stabilization efficiency was 49~72%, 51~83%, and 0~36% for agriculture lime, steel slag, and dolomite respectively. In case of Pb, 43~64, 37~73%, and 51~73% of stabilization efficiency was observed for agriculture lime, steel slag, and dolomite respectively. However, minimal effect of heavy metal stabilization was observed for zeolite and compost. Based on result of this study, amendments that can increase the soil pH were the most efficient to stabilize heavy metal residuals and can be adapted for remediation purpose in agricultural field.