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Soil contamination with arsenic and heavy metals is a worldwide problem. Main objective of this research was to evaluated effects of reducing heavy metal leaching under reduced soil condition amended with industrial by-products. The contaminated soil was amended with 3% (w/w) of limestone (Ls), steel slag (SS) and acid mine drainage sludge (AMDS). Synthetic acid rain (H₂SO₄:HNO₃ = 6:4, pH 5.5 fixed) was used for feeding solution with flow rate of 0.78~0.88 mL min-1. Results showed that similar pH and EC of leachate was observed in all treatments regardless of applied industrial by-products. However, arsenic concentration of leachate increased when industrial by-products were mixed. Meanwhile, concentration of heavy metal in the leachate decreased from 11.3 to 4.59 mg for Cd, from 92.3 to 7.93 mg for Pb, and from 11,716 to 1,788 mg for Zn via immobilization in soil with AMDS amended, respectively. Overall, application of industrial by-products can be an environmentally-friendly way to remediate soil and(or) leachate contaminated with metal(loid)s in metal mine site.
목차
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (36)
참고문헌 신청
1. [학술지(정기간행물)] - Ahmad, M / 2012 / An assessment of the utilization of waste resources for the immobilization of Pb and Cu in the soil from a Korean military shooting range / Environ. Earth Sci 67 : 1023 ~ 1031
2. [학술지(정기간행물)] - Almaroai, Y.A / 2012 / Effects of synthetic chelators and low-molecular-weight organic acids on dhromium, copper, and arsenic uptake and translocation in Maize (Zea mays L.) / Soil Sci 177 : 655 ~ 663
3. [학술지(정기간행물)] - Bolan, N.S / 2011 / Dissolved organic carbon:biogeochemistry, dynamics and environmental signification in soils / Adv. Agron 110 : 1 ~ 75
4. [학술지(정기간행물)] - Bolan, N. / 2014 / Remediation of heavy metal(loid)s contaminated soils – To mobilize or to immobilize? / J. Hazard. Mater 266 : 141 ~ 166
5. [학술지(정기간행물)] - 최명찬 / 2009 / 폐 석탄광산 배수처리 시 발생되는 슬러지를 이용한 오염토양 중금속 안정화 / 한국환경과학회지 18 (2) : 239 ~ 244
2. [학술지(정기간행물)] - Almaroai, Y.A / 2012 / Effects of synthetic chelators and low-molecular-weight organic acids on dhromium, copper, and arsenic uptake and translocation in Maize (Zea mays L.) / Soil Sci 177 : 655 ~ 663
3. [학술지(정기간행물)] - Bolan, N.S / 2011 / Dissolved organic carbon:biogeochemistry, dynamics and environmental signification in soils / Adv. Agron 110 : 1 ~ 75
4. [학술지(정기간행물)] - Bolan, N. / 2014 / Remediation of heavy metal(loid)s contaminated soils – To mobilize or to immobilize? / J. Hazard. Mater 266 : 141 ~ 166
5. [학술지(정기간행물)] - 최명찬 / 2009 / 폐 석탄광산 배수처리 시 발생되는 슬러지를 이용한 오염토양 중금속 안정화 / 한국환경과학회지 18 (2) : 239 ~ 244
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UCI(KEPA) : I410-ECN-0101-2016-521-001162793