Carbon Dioxide Sequestration by Ultramafic-Hosted Mine Tailings: Taking Jinchuan Copper-Nickel Mine Tailing as an Example
详细信息
- 责任者：Li Zibo (Institute of Surficial Geochemistry ; School of Earth Sciences and Engineering ; Nanjing University ; Nanjing210093 ; China) ; Liu Lianwen
- 刊名：Quaternary Sciences
- 出版年：2011
- 卷期：31(3)
- 关键词：二氧化碳 ; carbon dioxide ; 尾矿坝 ; tailings dams ; 甘肃 ; Gansu Province
- 页码：p.464-472
- 图表：4 illus., 4 tables, 53 refs.
- 分类号：1800
- issnNo：ISSN1001-7410
- isbnNo：CN11-2708/P
摘要
In this paper, the authors analyzed the particle size,mineral composition,major elements and trace elements, and the potential and capability of natural weathering for carbon dioxide sequestration in Jinchuan copper-nickel mine tailing. On the basis of tailing reserves and concentration of magnesium, it is estimated that about 40 Mt of carbon dioxide could be fixed by Jinchuan copper-nickel mine tailing. In addition,the concentration of Ni, Cr and Cu are about 2 494 μg/g, 3 195 μg/g and 1 949 μg/g in the tailings, hence comprehensive utilization of Ni, Cr and Cu would greatly reduce the costs of carbon dioxide sequestration.