Optimization of Knelson gravity separation of a quartz vein type gold ore using response surface methodology

被引：2
|
作者：
Chen Q. [1 ]
Chen G. [2 ]
Tong L. [1 ]
Lin Y. [1 ]
Yang H. [1 ]
机构：
[1] School of Metallurgy, Northeastern University, Shenyang
[2] Hainan Shandong Gold Mining Co. Ltd., Ledong
来源：
Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology) | 2019年 / 50卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Gold ore; Gold recovery; Knelson concentrator; Process optimization; Response surface methodology;
D O I：
10.11817/j.issn.1672-7207.2019.12.001
中图分类号：
学科分类号：
摘要：
The present study was carried out for gravity separation of a quartz vein type gold ore with a MD3 Knelson concentrator. The effect of particle size, relative centrifugal force, and fluidizing water pressure on gold recovery was investigated by response surface method, and the significance of interaction between these factors was also analyzed. The results show that the effect of particle size on the gold recovery is the most significant, followed by the effect of fluidizing water pressure, and the effect of relative centrifugal force on the gold recovery is the least significant. The interaction between relative centrifugal force and fluidizing water pressure is the most significant to the gold recovery, with the interaction between fluidizing water pressure and particle size being secondary, while the interaction between relative centrifugal force and particle size is insignificant. The optimal conditions determined by surface contour plots are as follows: particle size, relative centrifugal force and fluidizing water pressure are 83.17%, 64.68g and 18.55 kPa, respectively. Under the optimum conditions the corresponding predicted response values for the gold recovery is 82.48%. The mean value of the measurement is 82.33%, which agrees with those predicted value, thus indicating the suitability of the model employed. © 2019, Central South University Press. All right reserved.
引用
收藏
页码：2925 / 2931
页数：6
相关论文
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