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Processing and utilization of Kidd Creek Mine waste sludge for disposal as an engineered composite material (Ontario).

机译:Kidd Creek矿山废渣的处理和利用,以工程复合材料的形式处置(安大略省)。

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摘要

This thesis focuses on an investigation of utilization of mine wastewater neutralization sludge obtained from the Kidd Creek Mine site, as a supplementary material for their proposed deep mine pastefill system. Their proposed pastefill consists of a combination of rock aggregate in a matrix of imported sand and tailings with binder (Portland cement + Slag cement). Pastefill mixes containing various percentages of the waste sludge 0.0 (control mix), 1.0, 1.5, 2.0, 2.5, 3.0, and 5.0% by weight as replacement to the fine sand were prepared and tested with different percentages of binder. The hypothesis behind this approach is to study the behavior of sludge as a replacement of sand in matrix as well as its ability to act as a binder. Compressive strength, percentage of sludge, binder dosage, slump, water to cement ratio, percentage of solid, and curing time were investigated.; The Cold-Bond Tailing Agglomeration (CBTA) process was used to produce an aggregate material (pellet). (Abstract shortened by UMI.)
机译:本文重点研究从Kidd Creek矿场获得的矿山废水中和污泥的利用情况,以此作为拟议的深矿泥浆填充系统的补充材料。他们提出的糊状填充物是由在进口砂和尾矿中的岩石骨料与粘合剂(硅酸盐水泥+矿渣水泥)组成的混合物。制备了包含不同百分比的废泥(替代混合物)的0.0%(对照混合物),1.0%,1.5%,2.0%,2.5%,3.0%和5.0%(重量)的淤泥的糊料混合物,并用不同百分比的粘合剂进行了测试。该方法背后的假设是研究污泥作为基质中沙子的替代物的行为及其作为粘合剂的能力。研究了抗压强度,污泥百分比,粘合剂用量,坍落度,水灰比,固体百分比和固化时间。冷粘结尾矿附聚(CBTA)工艺用于生产骨料(小丸)。 (摘要由UMI缩短。)

著录项

  • 作者

    Madi, Hisham.;

  • 作者单位

    Laurentian University of Sudbury (Canada).;

  • 授予单位 Laurentian University of Sudbury (Canada).;
  • 学科 Engineering Mining.
  • 学位 M.A.Sc.
  • 年度 2004
  • 页码 130 p.
  • 总页数 130
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 矿业工程;
  • 关键词

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