Journal of Soil and Groundwater Environment (한국지하수토양환경학회지:지하수토양환경)

Korean Society of Soil and Groundwater Environment (한국지하수토양환경학회)
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Feasibility Tests for Treating Fine Suspended Solids from Mining Drainage, using Various Media by Column Methods - A Case from H Coal Mine

광산배수 부유물질 저감을 위한 다양한 여과 매질의 특성 및 적용성 평가 - H 석탄광산 배수

  • Lee, Sanghoon (Department of Environmental engineering, The Catholic University of Korea) ;
  • Kwon, HyukHyun (Department of Environmental engineering, The Catholic University of Korea) ;
  • Oh, Minah (Department of Environmental engineering, The University of Seoul) ;
  • Lee, Jai-Young (Department of Environmental engineering, The University of Seoul) ;
  • Kim, DukMin (Mine Reclamation and Technology Center, Mine Reclamation Corporation)
  • 이상훈 (가톨릭대학교 환경공학전공) ;
  • 권혁현 (가톨릭대학교 환경공학전공) ;
  • 오민아 (서울시립대학교 환경공학부) ;
  • 이재영 (서울시립대학교 환경공학부) ;
  • 김덕민 (한국광해관리공단 기술연구소)
  • Received : 2012.11.29
  • Accepted : 2012.12.11
  • Published : 2012.12.31
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Abstract

Fine suspended solids from mine drainage draw attentions due to their potential adverse influences on the water quality, such as increasing turbidity and degrading aesthetic landscape. Currently, sand filter beds are adapted in some mine drainage treating systems. However, more efficient system is in demand, as the existing sand beds reveal some problems, such as frequent maintenance intervals. Various filtering mediums including fly ash, mine tailing aggregates and the sand were tested for improving the current system, using column experimental set-up. Mine drainage samples were collected from the current treating systems in the abandoned H coal mine. The experiment was run for 7 days. Suspended solids recorded as 100.9 mg/L and the value exceeds the current standard, 30 mg/L. Sand was proved to still be the optimum medium for the fine suspended solids, compared to fly ash and fly ash + sand. Mine tailing aggregates were placed at the exit of the columns, substituting gravels. The tailing aggregates is made by mine tailings and clay. Sand bed filters can also be improved by mixing granular activated carbon, which was found to be economical and efficient in the batch experiment, conducted at the same time.

Keywords

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  1. Geochemical Reaction Processes and Controls on the Coal Mine Drainage using Pilot-scale Inclined Clarifiers vol.18, pp.7, 2013, https://doi.org/10.7857/JSGE.2013.18.7.073
  2. Removal of Fine Suspended Solids and Soluble Heavy Metals in H Mine Drainage using Settling and Filtering : Field Application vol.18, pp.7, 2013, https://doi.org/10.7857/JSGE.2013.18.7.054