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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.5
- 수록면
- 209 - 221 (13page)
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초록· 키워드
오류제보하기
Various soil remediation techniques are available to remove or stabilize the metal in contaminated soil, in order to retard the metal toxicity or bioavailability. However, according to the inherent characteristics of those remedial techniques, several methods deteriorate the soil properties and produce secondary contaminants. We aim to the soil layer reversal method to retard the metal availability to rice and at the same time to leave intact the soil properties in paddy soil that are polluted with metals. The experimental paddy soil showed a relatively uniform profile in physicochemical properties up to 100 cm in depth. Surface soil (0 - 50 cm) was contaminated with Cd and Pb but their concentrations as the soil depth increased, which was lower than Korean pollution threshold levels (1.5 and 100 mg kg<SUP>-1</SUP>, respectively). The contaminated surface soil layers and the uncontaminated deeper soil layers were reversed with each other, and then rice (Oryza sativa L.) was cultivated in paddy fields. Concentrations of 0.1 M HCl extractable Cd and Pb in the reversed surface soil were 84 - 91% and 78 - 86% lower than those of the initial surface soils, respectively. Translocations of Cd and Pb to the rice in the reversed surface soil were relatively low (Cd 0.22-0.24 mg kg<SUP>-1</SUP>; Pb 1.1-1.3 mg kg<SUP>-1</SUP>), as compared to those of the control (Cd 0.95 mg kg<SUP>-1</SUP>; Pb 2.9 mg kg<SUP>-1</SUP>). The results demonstrate that the soil reversal technique can be an option to reduce the metal bioavailability in the paddy field, whereas the implication of the current soil remediation technology is not feasible from the practical or economic viewpoint.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (37)
참고문헌 신청
Acosta, J.A., A. Faz, S. Martinez-Martinez, R. Zornoza, D.M. Carmona, and S. Kabas. 2011. Multivariate statistical and GIS-based approach to evaluate heavy metals behavior in mine sites for future reclamation. J. Geochem. Explor. 109:8-17.
Askri, B., R. Bouhlila, and J.O. Job. 2010. Development and application of a conceptual hydrologic model to predict soil salinity within modern Tunisian oases. J. Hydrol. 380:45-61.
Dermont, G., M. Bergeron, G. Mercier, and M. Richer-Lafleche. 2008. Soil washing for metal removal: A review of physical/chemical technologies and field applications. J. Hazard. Mater. 152:1-31.
Desogus, P., P.P.. Manca, G. Orru, and A. Zucca. 2013. Stabilization-solidification treatment of mine tailings using Portland cement, potassium dihydrogen phosphate and ferric chloride hexahydrate. Miner. Eng. 45:47-54.
Dickinson, N.M. 2000. Strategies for sustainable woodland on contaminated soils. Chemosphere 41:259-263.
Askri, B., R. Bouhlila, and J.O. Job. 2010. Development and application of a conceptual hydrologic model to predict soil salinity within modern Tunisian oases. J. Hydrol. 380:45-61.
Dermont, G., M. Bergeron, G. Mercier, and M. Richer-Lafleche. 2008. Soil washing for metal removal: A review of physical/chemical technologies and field applications. J. Hazard. Mater. 152:1-31.
Desogus, P., P.P.. Manca, G. Orru, and A. Zucca. 2013. Stabilization-solidification treatment of mine tailings using Portland cement, potassium dihydrogen phosphate and ferric chloride hexahydrate. Miner. Eng. 45:47-54.
Dickinson, N.M. 2000. Strategies for sustainable woodland on contaminated soils. Chemosphere 41:259-263.
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UCI(KEPA) : I410-ECN-0101-2020-523-000680364