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NTIS 바로가기Ecology and resilient infrastructure, v.7 no.1, 2020년, pp.63 - 71
김민석 (고려대학교 오정에코리질리언스연구원) , 민현기 (고려대학교 환경생태공학과) , 이상환 (한국광해관리공단 광해기술연구소) , 김정규 (고려대학교 환경생태공학과)
Various types of amendments have been studied for heavy metal stabilization in soil. However, researches on the effect of amendments on alkali soil and their effects on the plants at various edible parts are insufficient. The aim of this study was to evaluate the stabilization efficiency of heavy me...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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안정화 공법은 무엇인가? | 2011). 안정화 공법은 개량제 (Amendment)를 토양에 투입함으로써 토양 내 중금 속의 이동성 (Mobility)과 생물유효도 (Bioavailability) 를 저감시킨다. 결국 중금속 총 함량에는 변화가 없지만, 오염물질의 이동성 저감 및 토양 비옥도의 유지 측면에서 농경지에 적용하기에 가장 타당한 방안이라 할수 있다 (Hong et al. | |
안정화제인 석회, 제강슬레그, 산성광산 배수슬러지의 안정화효율 비교 결과는? | 석회, 제강슬레그, 산성광산 배수슬러지를 안정화제로 선발하여 생물유효도를 비교하였고, 엽채류 (배추, 청경채), 근채류 (마늘), 과채류 (고추) 등 다양한 종류의 작물을 재배하여 중금속 전이를 비교하였다. 그 결과 pH 상승 효과가 뛰어난 석회 보다는 중금속을 흡착 및 침전 시킬 수 있는 자리 (site)를 제공해주는 제강슬레그나 산성광산배수슬러지의 안정화효율이 우수하였다. 특히 토양에 비해 상대적으로 낮은 영전하점을 갖는 산성광산배수슬러지는 토양 pH의 과도한 상승을 억제하여 식물의 양분유효도 저감 가능성을 최소화하는 것으로 나타났다. | |
광업활동이 환경에 끼치는 영향은 무엇인가? | 광업활동은 환경을 오염시키는 중요한 인위적 오염원으로, 중금속은 광산배수 또는 광미를 통해 확산되어 인근 환경을 오염시킨다 (Al-abed et al. 2006). 국내의 경우 전국에 약 5,400여개의 광산이 존재하고, 그 중 85% 이상이 제대로 관리되어 있지 못하고 방치되어, 주변 환경과 인근 주민들의 건강까지 위협하고 있다 (KMoTIE 2010, Park et al. |
Al-abed, S.R., Hageman, P.L., Jegadeesan, G., Madhavan and Allen, D. (2006). Comparative evaluation of shortterm leach tests for heavy metals release from mineral processing waste. Science of Total Environment 364(1-3): 14-23.
Bernstein, L. 1975. Effects of salinity and sodicity on plant growth. Annual Review of Phytopathology 13(1): 295-312.
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Hong, C.O., Lee, D.K., Chung, D.Y. and Kim, P.J. 2007. Liming effects on cadmium stabilization in upland soil affected by gold mining activity. Archives of Environmental Contamination and Toxicology 52(4): 496-502.
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