Processing of Vanadium and Niobium Electrodeposited from Alkali Chloride Melts

被引：2
|
作者：
Chernyshov, M. V. [1 ]
Polovov, I. B. [1 ]
Rebrin, O. I. [1 ]
Volkovich, V. A. [1 ]
Kamalov, R. V. [1 ]
Griffiths, T. R. [2 ]
机构：
[1] Ural Fed Univ, Dept Rare Met & Nanomat, Ekaterinburg 620002, Russia
[2] Redston Trevor Consulting Ltd, Leeds LS17 8RF, W Yorkshire, England
来源：
MOLTEN SALTS AND IONIC LIQUIDS 17 | 2010年 / 33卷 / 07期
关键词：
D O I：
10.1149/1.3484787
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The methods of hydrometallurgical treatment of cathodic deposits obtained by electrorefining vanadium and niobium metals in chloride melts were studied. The effectiveness of employing nitric acid was demonstrated. The optimal conditions of leaching trapped salt were determined: HNO3 concentration of 2.5 wt. % for vanadium and 5 wt. % for niobium; solid-to-liquid ratio 1:10 for both metals. The effect of increasing duration of a washing cycle on number of process stages was investigated. The methods of final washing and drying metallic powders were considered.
引用
收藏
页码：297 / 302
页数：6
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