泡沫分离过程中亲水矿物对金刚石提纯的强化作用

G. Dvoichenkova, V. Morozov, E. Kovalenko, Y. Podkamenny
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引用次数: 1

摘要

泡沫分离过程中金刚石损失的原因在于供泡沫分离的金刚石晶体被氢氧化物和碳酸盐包裹。提出了一种通过热破坏和电化学破坏矿物涂层来恢复金刚石疏水性的方法。该方法规定了泡沫分离过程中的调理阶段,使覆盖在钻石表面的矿物的数量从3到10倍减少。工艺研究表明,采用循环水无隔膜电解产品,配合泡沫分离料的热处理,可将泡沫分离精矿中金刚石的回收率从76.5%提高到83.7%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Intensification of diamond purification from hydrophilic minerals in foam separation process
The reason for diamond loss in foam separation process consists in the fact that the diamond crystals fed to the foam separation are coated with hydroxides and carbonates. A combined method to restore the diamond hydrophobicity through thermal and electrochemical destruction of the mineral coat was proposed. This method provides for the conditioning stage in the foam separation process to enable decreasing the amount of the minerals coating diamonds surface from 3 to 10 times. Technological research showed that using products of diaphragm less electrolysis of recirculating water, with the thermal treatment of the foam separation feed enables increasing the recovery of diamonds in the foam separation concentrate from 76.5% to 83.7%.
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