The limits of fine particle flotation

被引：323
|
作者：
Miettinen, Tatu [2 ]
Ralston, John [1 ]
Fornasiero, Daniel [1 ]
机构：
[1] Univ S Australia, Ian Wark Res Inst, Adelaide, SA 5095, Australia
[2] Outokumpu Res Oy, FIN-28101 Pori, Finland
来源：
MINERALS ENGINEERING | 2010年 / 23卷 / 05期
基金：
澳大利亚研究理事会;
关键词：
Fine particle flotation; Flotation; LINE TENSION; MINERAL FLOTATION; DISSOLVED-GAS; SELECTIVE FLOCCULATION; ELECTRICAL-PROPERTIES; CHALCOPYRITE FINES; BUBBLE ATTACHMENT; AQUEOUS-SOLUTIONS; WATER INTERFACE; SALT-SOLUTIONS;
D O I：
10.1016/j.mineng.2009.12.006
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Understanding the limits of fine particle flotation is the key to the selective separation of fine mineral particles. Fine particles have low collision efficiencies with gas bubbles and float slowly. There has been a great deal of work aimed at overcoming the inefficient collision of small particles with rising air bubbles. This review deals with the influence of bubble size, particle aggregation, different flow conditions, particle induction time, as well as the action of surface and capillary forces on fine particle-bubble capture. Recommendations for practice are given. Crown Copyright (C) 2009 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：420 / 437
页数：18
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