泡沫浮选从煤中分离微矿物的研究

Saroj Kumar Sahoo, Nikkam Suresh, Atul Kumar Varma
印度理工学院

摘要

在过去，煤显微组分的分离是基于密度差进行的，例如沉浮分析、密度梯度离心（DGC）技术等。这些方法
的成功有限。泡沫浮选是一种物理化学过程，根据容器中表面财产的差异，在由两个不同区域（即矿浆区和泡沫区）
组成的容器中分离颗粒。单个尺寸范围颗粒的可浮性随其灰分百分比和存在的显微组分含量而变化。因此，浮选速
率常数最终成为煤颗粒显微组分百分比的函数。在本论文中，通过使用亚烟煤级煤进行粒度浮选试验进行了尝试，
并根据不同浮选时间间隔精矿的显微组分百分比报告建立了浮选动力学。这些结果与该过程的动力学行为有关。

关键词

煤炭浮选；浮选动力学；Macerals 公司

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