在表面处置中粘料尾矿的流动特性:矿含量的作用
Oyewale Miracle1, Mamadou Fall2, Alireza Ghirian1
1Department of Civil Engineering, University of Ottawa, Ottawa, Canada.
Environmental science and pollution research international
|February 24, 2025
概括
糊状尾矿中的化石显著改变了诸如产量应力和粘度之类的流动性质. 较高的酸盐含量增加了非水泥粘合剂尾矿的这些特性,并影响了轻度水泥粘合剂尾矿,影响了矿山废物管理.
科学领域:
- 地质技术工程 地质技术工程
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
背景情况:
- 粘贴尾矿 (PT) 病理学对于安全的管道运输和处置至关重要.
- 硫化物矿物质,如矿,可以改变PT化学和由于氧化而导致的质学.
- 有限的研究存在于pyrite对非水泥和轻水泥粘贴尾矿 (UPT/LCPT) 的特定影响.
研究的目的:
- 实验性地研究不同酸盐度对UPT和LCPT风湿性质的影响.
- 分析矿对UPT/LCPT微观结构,化学和粒子间力量的影响.
- 为优化尾矿管理和可持续的LCPT/UPT设计提供见解.
主要方法:
- 使用PCI和渣渣结合剂制备的UPT和LCPT含有0%,5%,15%和45%的矿含量.
- 在 0-120 分钟的固化时间内,在室温下测量质性 (产应力,粘度).
- 评估电导率,pH值,泽塔电位,并进行微观结构分析.
主要成果:
- 矿含量显著影响了UPT和LCPT的风湿学.
- 随着矿度的上升 (5%至45%),UPT产量应力和粘度增加.
- 随着矿含量和时间的推移,LCPT的产量应力增加;粘度随着矿的增加而随着时间的推移而降低,这表明微观结构和水化抑制.
结论:
- 矿度是影响粘贴尾矿流动行为的关键因素.
- 了解矿的作用对于设计稳定和可运输的尾矿至关重要.
- 这些发现支持改进的尾矿管理策略和环境可持续的矿山废物处理.
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