The Optimum Condition Analysis of Vanadium Solvent Extraction by Alamine336 from the Synthetic Vanadium Sulfate Solution

被引：0
|
作者：
Ahn, Jong-Gwan [2 ]
Ahn, Jae-Woo [1 ]
机构：
[1] Daejin Univ, Dept Adv Mat Sci & Engn, Pochon 487711, South Korea
[2] Korea Inst Geosci & Mineral Resources, Mineral & Mat Proc Div, Taejon 305350, South Korea
来源：
JOURNAL OF THE KOREAN INSTITUTE OF METALS AND MATERIALS | 2008年 / 46卷 / 12期
关键词：
vanadium; spent scr catalyst; alamine336; solvent extraction;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The solvent extraction process for the recovery of vanadium from leaching solution of SCR(selective catalytic reduction) spent catalyst was investigated by using Alamine336 as an extractant. The effects of experimental conditions, such as initial pH and concentration of sulfate ion, and ammonia concentration of stripping solution were studied. The extraction percentage of vanadium were increased with the increase of initial pH of leaching solution and decreased with the increase of sulfate ion. More than 99% of vanadium in leaching solution were extracted and stripped at the A/O ratio of 1.0 in 2 stages. On the basis of these results, an optimum solvent extraction process which vanadium was effectively recovered from SCR spent catalyst was proposed.
引用
收藏
页码：823 / 829
页数：7
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