其中包括从金矿和铜矿的矿尾中提取铀，以及利用化肥制造过程中产生的副产物硫酸。
These include stripping it out of the tailings from gold and copper mines, and also from phosphoric acid produced during the manufacture of fertiliser.
这种物质会形成浓厚的、沉重的、具有很强研磨性的污泥，这种污泥需要从萃取铜的浮选槽中传输出来，然后输送到矿尾的处置区域。
This material forms a thick, weighty and highly abrasive sludge that must be transported from the flotation cells, where the copper is extracted, to a mine tailings disposal area.
本文介绍了铜绿山矿全尾砂高水固化充填试验工艺，以及利用该技术实现底柱采场充填接项的试验研究。
Testing and study on utilizing this technology for tightened filling in sill stope in Tonglushan Mine are presented in this paper.
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