Evaluation of the current system for waste rock treatment considering the rock conditions in open pit coal mine, Indonesia

S. Matsumoto, H. Shimada, T. Sasaoka, A. Hamanaka, K. Matsui

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

Acid Mine Drainage (AMD) is one of the serious environmental problems in mining activities with the expansion of coal production in Indonesia. Some studies suggest that rock weathering can affect AMD; however, the effects on AMD are different depending on the rock properties, the mining operation, and field conditions. In this study, sample analysis was performed to characterize the rock samples: sequential extraction by strong acids, slaking test. Based on the results, the rock samples have a potential to cause acidic water. Additionally, AMD could be promoted due to the disintegration of rocks by physical and chemical factors. Both factors which promote AMD were confirmed in the wetting and drying process. Therefore, AMD is promoted by both factors in the mining area while waste rocks are stored and weather, suggesting that the current system for the treatment of waste rocks is one of the triggers of AMD.

本文言語英語
ホスト出版物のタイトルLegislation, Technology and Practice of Mine Land Reclamation - Proceedings of the Beijing International Symposium Land Reclamation and Ecological Restoration, LRER 2014
編集者Zhenqi Hu
出版社CRC Press/Balkema
ページ551-555
ページ数5
ISBN(電子版)9781138027244
DOI
出版ステータス出版済み - 2015
イベントInternational Symposium on Land Reclamation and Ecological Restoration, LRER 2014 - Beijing, 中国
継続期間: 10 16 201410 19 2014

出版物シリーズ

名前Legislation, Technology and Practice of Mine Land Reclamation - Proceedings of the Beijing International Symposium Land Reclamation and Ecological Restoration, LRER 2014

その他

その他International Symposium on Land Reclamation and Ecological Restoration, LRER 2014
Country中国
CityBeijing
Period10/16/1410/19/14

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Environmental Engineering
  • Management, Monitoring, Policy and Law
  • Pollution

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