Acid mine drainage (AMD) is one of the environmental concerns. AMD contains various toxic heavy metals in acidic waters and it delivers the contaminants to nearby environments and human. Previous studies showed that AMD generation was seasonal dependent. The pH was lower and the heavy metal contents were higher in the spring season. The characteristics of AMD generation were monitored in various environmental conditions in which wet or dry condition and oxic or anoxic condition were supplied. A mine tailing produced AMD when water was introduced regardless of the pretreatment conditions. However, the tailing, which had been exposed to air, gave lower pH and higher metal containing AMD than the wet tailing did. This implicate that a low groundwater level of dry season can enhance the generation of AMD at the early of the wet season. In the case of As, the opposite results were obtained.

Acid mine drainage (AMD) production characteristics depending on environmental conditions

245th National Meeting (2013)

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.