書誌事項
- タイトル別名
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- The Current Situation and Consideration to Prevent Acid Mine Drainage at Dumping Site in Indonesian Coal Mine
- インドネシア露天掘り石炭鉱山におけるダンピングサイトの現状と今後の課題 : 酸性鉱山排水問題に着目して
- インドネシア ロテンボリ セキタン コウザン ニ オケル ダンピングサイト ノ ゲンジョウ ト コンゴ ノ カダイ : サンセイ コウザン ハイスイ モンダイ ニ チャクモク シテ
- –酸性鉱山排水問題に着目して–
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説明
Geochemical characteristics and the increase in the total reactive surface area of the sulphide-bearing rock due to weathering processes at dumping area, are expected to enhance the oxidation of sulphides, leading to the generation of acid mine drainage (AMD) . The study of the changes of geochemical characteristics of sulphidebearing rocks showed that the oxidation process in waste rock dump in 10 years was more advanced than that of 2 years. As the results of mineralogical investigation, the weathering is easy to accelerate around the surface of dumping area due to climatic conditions and acidification by oxidation of sulphides. Moreover, the study showed that the formation of clay minerals after the weathering processes took place at the dumping area, suggested that the generation of AMD would be minimized because the interior of the waste rock dump provided a barrier to oxygen and water. However, during the formation of clay minerals, the oxidation of pyrite will still occur, therefore, some additional countermeasures should be taken into consideration at the same time such as the dumping method of waste rock and application of low-permeable layer.
収録刊行物
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- 資源と素材
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資源と素材 130 (1), 9-15, 2014
一般社団法人 資源・素材学会
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詳細情報 詳細情報について
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- CRID
- 1390001205281351680
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- NII論文ID
- 130004949469
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- NII書誌ID
- AA12188381
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- ISSN
- 18840450
- 18816118
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- NDL書誌ID
- 025149387
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- 本文言語コード
- ja
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- 資料種別
- journal article
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- データソース種別
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- JaLC
- NDLサーチ
- Crossref
- CiNii Articles
- KAKEN
- OpenAIRE
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- 抄録ライセンスフラグ
- 使用不可
