The flotation separation of scheelite from calcite using a quaternary ammonium salt as collector

被引：49
|
作者：
Hu, Yue-hua [1 ]
Yang, Fan [1 ]
Sun, Wei [1 ]
机构：
[1] Cent S Univ, Sch Resources & Bioengn, Changsha 410083, Hunan, Peoples R China
来源：
MINERALS ENGINEERING | 2011年 / 24卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Oxide ores; Froth flotation; Flotation collectors; SODIUM OLEATE; FLUORITE; MINERALS; ADSORPTION; BEHAVIOR; APATITE; BARITE; ACID;
D O I：
10.1016/j.mineng.2010.08.023
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The flotability of scheelite and calcite was studied with Dioctyl dimethyl ammonium bromide (BDDA). The experiments were conducted on individual and mixed minerals as a function of pH with a micro-flotation cell. And oleic acid was tested for comparison. The flotation results revealed that the performance of BDDA is better than that of oleic acid and the best separation could be achieved with BDDA over the pH range 8-10. Through preliminary analysis, it is concluded that BDDA reacts with scheelite through electrostatic interaction. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：82 / 84
页数：3
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