Economic and Environmental Geology (자원환경지질)

The Korean Society of Economic and Environmental Geology (대한자원환경지질학회)
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Geochemical Dispersion of Cu, Pb, Zn, and Cd and Their Mode of Occurrences in Soils and Dusts in Changhang Smelter Area

장항제련소 지역 토양과 분진중의 Cu, Pb, Zn 및 Cd의 지구화학적 분산과 산출상태

  • Kim, Ju-Yong (Department of Mineral and Petroleum Engineering, Seoul National University) ;
  • Chon, Hyo-Taek (Department of Mineral and Petroleum Engineering, Seoul National University)
  • 김주용 (서울대학교 공과대학 자원공학과) ;
  • 전효택 (서울대학교 공과대학 자원공학과)
  • Received : 1993.02.25
  • Published : 1993.04.30
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Abstract

Soils and dusts collected from Changhang smelter area were analyzed for Cu, Pb, Zn, and Cd in order to determine their dispersion pattern and mode of occurrences, and to investigate the pollution level of heavy metals such as Cu, Pb, Zn, and Cd by smelting activity. The soil pH of Changhang area is in the range of 3.7~8.8, and increased with increasing distance from the smelter site. The particles containing heavy metals are several tens of ${\mu}m$ in diameter, and have well crystal form. Samples collected near the smelter show similar particle properties in size, shape, and composition, which means that they could be originated from the same contamination source. Element couples of Cu, Pb, Zn, and Cd indicate high correlation with each other, which means that Cu, Pb, Zn, and Cd could be originated from the same point source of smelter. Heavy metal contents were decayed to background levels from 2.5 kilometer away from the smelter.

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