Molybdenum recovery from oxygen pressure water leaching residue of Ni-Mo ore

被引：0

作者：

Ming-Shuang Wang ^{[1
]}

Chang Wei ^{[1
]}

Gang Fan ^{[1
]}

Zhi-Gan Deng ^{[1
]}

Si-Fu Wang ^{[1
]}

Jun Wu ^{[1
]}

机构：

[1] Faculty of Metallurgical and Energy Engineering,Kunming University of Science and Technology

来源：

RareMetals | 2013年 / 32卷 / 02期

基金：

国家高技术研究发展计划(863计划);

关键词：

Mo recovery; Residue; Alkaline leaching; Calcium molybdate;

D O I：

暂无

中图分类号：

X756 [冶金工业]; TF841.2 [钼];

学科分类号：

080603 ; 083002 ;

摘要：

This article investigated molybdenum recovery from oxygen pressure water leaching residue of Ni-Mo ore using alkaline leaching, followed by chemical treatment of leach liquor. Parameters affecting Mo leaching rate, such as sodium hydroxide concentration, reaction time, a liquid-to-solid ratio, and temperature for the preliminary alkaline leaching were experimentally determined. The results showed that more than 88% of molybdenum was leached under the optimum conditions (2.5 ml·g-1 NaOH, 80 °C, a liquid to solid ratio 3 ml·g-1 , and reaction time 3 h). After the purification of leach liquor, a CaMoO 4 product of 99.2% purity could be obtained by CaCl 2 precipitation method. The whole Mo recovery reached about 82.7%.

引用

页码：208 / 212

页数：5

共 16 条

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