PULP-FROTH INTERACTIONS IN A LABORATORY COLUMN FLOTATION CELL

被引：16

作者：

GOODALL, CM

OCONNOR, CT

机构：

[1] Minerals Engineering Division, MINTEK, Randburg, 2125

来源：

MINERALS ENGINEERING | 1991年 / 4卷 / 7-11期

关键词：

COLUMN FLOTATION; BUBBLE SIZE; RESIDENCE TIME DISTRIBUTION;

D O I：

10.1016/0892-6875(91)90076-8

中图分类号：

TQ [化学工业];

学科分类号：

0817 [化学工程与技术];

摘要：

The effect of air rate, frother concentration and pulp density on the behaviour of the pulp and froth phases in a laboratory column flotation cell has been studied. Decreasing air rate and increasing frother concentration reduce entrainment and produce small bubbles and greater plug flow behaviour in the pulp. Small bubbles produce a stable froth and higher grades. Recoveries are not strongly dependent on these parameters except in the case of very low frother concentrations which result in unstable froths. The absence of solids in the froth overrides the influence which reducing pulp density has on bubble size and mixing characteristics.

引用

页码：951 / 958

页数：8

共 11 条

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