Econ. Environ. Geol. 2004; 37(1): 107-111

Published online February 28, 2004

© THE KOREAN SOCIETY OF ECONOMIC AND ENVIRONMENTAL GEOLOGY

An Overview of Coal Mine Drainage Treatment

Young Wook Cheong

Korea Institwte of Geoscience & Mineral Resources, Daejeon 305-350, Korea

Correspondence to :

Young Wook Cheong

ywc@kigam.re.kr

Received: November 16, 2003; Accepted: January 15, 2004

Abstract

This study was undertaken to summarize of the efficiencies of the passive treatment system and suggest future studies for the solution of mine drainage problem. Flow rates of mine drainage from the abandoned coal mines are about 80,000 ton/day. Contaminated mine drainages over about 50 ton/day of flow rate were treated by passive treatment facilities such as Successive Alkalinity Producing Systems(SAPS), oxidation pond and oxic wetland. Chemical analysis for 13 passive coal mine treatment facilities showed that SAPS was the core of treatment facilities because the variation of Fe removal rates was relatively smaller than any other processes and re-leaching of Fe was not measured. The performance and life of SAPS depended on decrease in permeability and retention time due to accumulation of sludge. It is inferred that upgrade of design of the passive treatment system and in-situ treatment using underground void will be necessary for the amelioration of the mine drainage with high metal loading rates.

Keywords Abandoned coal mines, mine drainage, passive treatment system, amelioration of the mine drainage

Article

Econ. Environ. Geol. 2004; 37(1): 107-111

Published online February 28, 2004

Copyright © THE KOREAN SOCIETY OF ECONOMIC AND ENVIRONMENTAL GEOLOGY.

An Overview of Coal Mine Drainage Treatment

Young Wook Cheong

Korea Institwte of Geoscience & Mineral Resources, Daejeon 305-350, Korea

Correspondence to:

Young Wook Cheong

ywc@kigam.re.kr

Received: November 16, 2003; Accepted: January 15, 2004

Abstract

This study was undertaken to summarize of the efficiencies of the passive treatment system and suggest future studies for the solution of mine drainage problem. Flow rates of mine drainage from the abandoned coal mines are about 80,000 ton/day. Contaminated mine drainages over about 50 ton/day of flow rate were treated by passive treatment facilities such as Successive Alkalinity Producing Systems(SAPS), oxidation pond and oxic wetland. Chemical analysis for 13 passive coal mine treatment facilities showed that SAPS was the core of treatment facilities because the variation of Fe removal rates was relatively smaller than any other processes and re-leaching of Fe was not measured. The performance and life of SAPS depended on decrease in permeability and retention time due to accumulation of sludge. It is inferred that upgrade of design of the passive treatment system and in-situ treatment using underground void will be necessary for the amelioration of the mine drainage with high metal loading rates.

Keywords Abandoned coal mines, mine drainage, passive treatment system, amelioration of the mine drainage

    KSEEG
    Jun 30, 2024 Vol.57 No.3, pp. 281~352

    Stats or Metrics

    Share this article on

    • kakao talk
    • line

    Related articles in KSEEG

    Economic and Environmental Geology

    pISSN 1225-7281
    eISSN 2288-7962
    qr-code Download