Current Occurrence and Heavy Metal Contamination Assessment of Seepage from Mine Waste Dumping Sites in Korea

Chang Koo Park, Jeong Wook Kim, Myung Chae Jung, Hyun Sung Park, Dong Kwan Kim, Youn Soo Oh

doi:10.32390/ksmer.2018.55.6.588

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2018 Vol.55, Issue 6 Preview Page Next Page

Research Paper

Current Occurrence and Heavy Metal Contamination Assessment of Seepage from Mine Waste Dumping Sites in Korea 국내 광산폐기물 적치장 침출수 발생 현황 및 중금속 오염도 평가

31 December 2018. pp. 588-595

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Abstract

This study has focused on evaluation of heavy metal contamination in seepage from 23 mine waste dumping sites in Korea. Seepage samples from the sites were taken and analyzed for heavy metals. The maximum levels (mg/L) in the samples were Al 53.98, As 16.19, Cd 1.15 Cu 37.30, Fe 28.64, Mn 39.00, Ni 0.097, Pb 0.750, and Zn 80.18. Among the sites, six mines were selected as continuous monitoring sites. As results of three months' monitoring of the sites, over the water guidelines for As, Cd, Cu, Fe, Mn, Zn and Al in seepage samples were found at two abandoned Au-Ag mines, Cd, Mn, Zn and Al at two Pb-Zn mines, and As, Fe and Mn at two other Fe-W mines. Therefore, those six mines need continuous monitoring on contamination assessment of seepage due to mining activities.

Keywords

seepage

heavy metal

mine waste

mine waste dumping site

monitoring

이 연구에서는 국내에 분포하는 광산폐기물(광물찌꺼기, 폐(광)석) 적치장의 침출수 유출 현황을 조사하고 중금속 오염도를 평가하였다. 현장답사 시 채취한 23개소의 적치장 침출수 미량원소 분석결과 원소별 최대함량(mg/L)은 Al 53.98, As 16.19, Cd 1.15 Cu 37.30, Fe 28.64, Mn 39.00, Ni 0.097, Pb 0.750으로 검출되었다. 모니터링 대상 적치장 6개소의 침출수를 3개월간 분석한 결과, 주요 개발광종에 따라 2개소의 금-은광산에서는 As, Cd, Cu, Fe, Mn, Zn 및 Al, 2개소의 연-아연광산에서는 Cd, Mn, Zn 및 Al, 2개소의 기타광종(중석, 철) 개발광산에서는 As, Fe, Mn이 지속적으로 수질환경기준을 초과하는 높은 함량이 유출되고 있음을 확인하였다. 그러므로 이들 6개 광산폐기물 적치장에서 배출되는 침출수에 대한 지속적인 모니터링이 필요하다.

키워드

침출수

중금속

폐(광)석

광산폐기물 적치장

모니터링

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Information

Publisher :The Korean Society of Mineral and Energy Resources Engineers
Publisher(Ko) :한국자원공학회
Journal Title :Journal of the Korean Society of Mineral and Energy Resources Engineers
Journal Title(Ko) :한국자원공학회지
Volume : 55
No :6
Pages :588-595
Received Date :2018. 11. 20
Revised Date :2018. 12. 03
Accepted Date : 2018. 12. 20
DOI :https://doi.org/10.32390/ksmer.2018.55.6.588

Journal of the Korean Society of Mineral and Energy Resources Engineers ISSN:2288-0291(Print) 2288-2790(Online) 한국자원공학회지

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