The performance of zinc electrowinning process in presence of surface active agent

被引：0
|
作者：
Hosny, AY
机构：
来源：
METALL | 1996年 / 50卷 / 01期
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D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The effect of Tween-80 surfactant on the performance of zinc electrowinning was determined using a series of current efficiencies tests, and cell voltage measurements. Zinc current efficiency varied from 52 to 93 % according to applied current density, zinc/acid concentration ratio and Tween-80 concentration. The energy consumption of the process and the morphology of zinc deposits were also evaluated. Energy values varied from 2850 to 4470 KWh/t according to operating conditions, Empirical correlation's were given to provide a quicker and accurate estimate for energy consumption's for zinc electrodeposition from electrolytes without and with surfactant additions. The effect of addition of Ni, Co with Tween-80 surfactant on current efficiency and deposit morphology was determined.
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页码：50 / 53
页数：4
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