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首页> 外文会议>Environmental innovations in the metals industry for the 21st century >The Evaluation of Bulk Organic Covers in Mine Tailings Closure Systems
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The Evaluation of Bulk Organic Covers in Mine Tailings Closure Systems

机译：尾矿封闭系统中大块有机物覆盖层的评估

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Bulk organic materials were identified in earlier testvvork (Pierce, 1992) as having the potential to provide effective and affordable solutions to the reclamation of acidic mine tailings. Previous results of the bench scale and initial pilot scale test work demonstrated that there were clear differences in the ability of each material to provide a beneficial cover for different types of tailings (Elliott et al., 1997). To identify a suitable cover material for a tailings with high concentrations of sulfides, three different bulk organic materials (peat, lime stabilized sewage sludge (LSSS) and municipal solid waste (MSW) compost) were evaluated through a combination of bench and pilot scale laboratory test programs. The purpose of the evaluation was to select a cover for the tailings that would reduce or eliminate environmental impacts related to acid rock drainage. Of the organic materials tested, the LSSS performed best at meeting the objectives of a good tailings cover. The following paper summarizes the results of an ongoing three year pilot scale test program.
机译：在较早的testvvork（Pierce，1992）中发现散装有机材料具有为酸性矿山尾矿的回收提供有效和负担得起的解决方案的潜力。台秤和初期中试规模测试工作的先前结果表明，每种材料为不同类型的尾矿提供有益覆盖的能力存在明显差异（Elliott等，1997）。为了确定适用于高浓度硫化物尾矿的覆盖材料，通过台架式和中试规模的实验室对三种不同的散装有机材料（豌豆，石灰稳定的污水污泥（LSSS）和城市固体废物（MSW）堆肥）进行了评估。测试程序。评估的目的是为尾矿选择覆盖层，以减少或消除与酸性岩石排泄有关的环境影响。在所测试的有机材料中，LSSS在达到良好尾矿覆盖率目标方面表现最佳。以下论文总结了正在进行的三年中试规模测试计划的结果。

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