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首页> 外文期刊>Journal Of The South African Institute Of Mining & Metallurgy >A basic triboelectric series for heavy minerals from inductive electrostatic separation behaviour
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A basic triboelectric series for heavy minerals from inductive electrostatic separation behaviour

机译:通过感应静电分离行为处理重矿物的基本摩擦电系列

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摘要

The separation of certain minerals by electrostatic techniques can be difficult due to their similar electrical conductivity, and any technique to improve this can be useful in certain difficult separation applications. Triboelectric differences between minerals can result in certain minerals acquiring small positive or negative charges prior to inductive electrostatic separation. By changing the polarity of inductive separation, relative changes in mineral recovery can be observed, which may be beneficial. In this brief study a IKTech mineral liberation analyser (MLA) was used to evaluate the effect of polarity change on selected minerals present in the Richards Bay Minerals deposit, and an approximate triboelectric scries based on this behaviour is presented.
机译:由于某些矿物质具有相似的电导率,因此通过静电技术分离某些矿物质可能会很困难,而任何改善这种情况的技术都可用于某些困难的分离应用中。矿物之间的摩擦电差异会导致某些矿物在感应式静电分离之前获得少量正电荷或负电荷。通过改变感应分离的极性,可以观察到矿物回收率的相对变化,这可能是有益的。在这项简短的研究中,使用IKTech矿物释放分析仪(MLA)来评估极性变化对Richards Bay矿床中存在的选定矿物的影响,并基于此行为给出了近似的摩擦电学资料。

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