Assessment of waters and sediments impacted by drainage at the Young Dong coal mine site, South Korea

Kwangje Woo, Ju Y. Lee, Won H. Ji, Jeehyeong Khim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Introduction This study focused on the assessment of the geochemistry and hydrology of the Imgok Creek-Young Dong tributary for the design of a field coal mine drainage treatment system. Methods and results Examination of this site showed that the pH was greatly lowered by the addition of the Young Dong water, except in the month of March. The alkalinity was also affected; the concentrations of iron, aluminum, and sulfate were elevated at sites below the confluence; of these, iron was particularly problematic. High iron concentrations were primarily restricted to the acid rock drainage (ARD) (YD-9) water sources, whereas high aluminum concentrations were seen in both the ARD and in some of the upstream water sources. The acidity was primarily due to ferrous and ferric iron with a lesser amount of aluminum acidity. Except for the sampling in March, the flow was dominated by the ARD. This hydrologic condition resulted from the loads of iron, aluminum, sulfate, and acidity, among other constituents, that were dominated by the ARD. Conclusion Finally, treatment activities should primarily focus on the ARD and specifically seek to remove ferrous and ferric iron from the treatment system.

Original languageEnglish
Pages (from-to)19-30
Number of pages12
JournalEnvironmental Science and Pollution Research
Volume19
Issue number1
DOIs
Publication statusPublished - 2012 Jan 1

Fingerprint

Republic of Korea
Coal
Coal mines
coal mine
Drainage
Sediments
Iron
drainage
iron
Rocks
Water
aluminum
Acids
Acidity
acid
sediment
Aluminum
acidity
rock
water

Keywords

  • Coal mine drainage (CMD)
  • Geochemistry
  • Hydrology
  • Natural attenuation
  • Tributary

ASJC Scopus subject areas

  • Environmental Chemistry
  • Health, Toxicology and Mutagenesis
  • Pollution

Cite this

Assessment of waters and sediments impacted by drainage at the Young Dong coal mine site, South Korea. / Woo, Kwangje; Lee, Ju Y.; Ji, Won H.; Khim, Jeehyeong.

In: Environmental Science and Pollution Research, Vol. 19, No. 1, 01.01.2012, p. 19-30.

Research output: Contribution to journalArticle

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