A Study on the Utilization of Ultrasonic Pretreatment in Zinc Flotation

被引：24

作者：

Kursun, Hulya ^{[1
]}

机构：

[1] Cumhuriyet Univ, Dept Mat & Met Engn, TR-58140 Sivas, Turkey

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 2014年 / 49卷 / 18期

关键词：

lead-zinc-copper complex ores; ultrasonic treatment; mechanical flotation; IRON-ORE; COAL; BENEFICIATION; SELECTIVITY; CAVITATION; BARITE; FINE; CELL;

D O I：

10.1080/01496395.2014.941876

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This paper deals with the investigation of the effect of ultrasonic pretreatment on the mechanical flotation of zinc from lead-zinc-copper ore. After the chosen flotation parameters such as KAX dosage, frother amount, flotation time, stirring rate and amount of Na2SiO3, were optimized by flotation experiments without ultrasonic pretreatment, flotation experiments with ultrasonic pretreatment were carried out under these optimized conditions. The results obtained by both methods were compared. A zinc concentrate containing 8.52% Zn was obtained from feed containing 1.60%Zn with 24.64% recovery using mechanical flotation method without ultrasonic pretreatment. On the other hand, a concentrate containing 18.73%Zn was obtained with 33.18% recovery using flotation with ultrasonic pretreatment. It has been concluded that, ultrasonic pretreatment improved the grade and recoveries in zinc flotation due to the energy released by cavitation bubbles generated in the ultrasonic cleaning bath. XRD analysis were also supported the positive effect of ultrasonic pretreatment on flotation.

引用

页码：2975 / 2980

页数：6

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