Weak acid leaching of uranium ore from a high carbonate uranium deposit

被引：0
|
作者：
Shifeng Chen
Xuebin Wei
Jinhui Liu
Zhanxue Sun
Gongxin Chen
Mei Yang
Yuanyuan Liu
Duo Wang
Chengcui Ma
Dexuan Kong
机构：
[1] East China University of Technology,School of Water Resources and Environmental Engineering
[2] Petrochina Qinghai Oilfiled Company Research Institute of Petroleum Exploration and Development,State Key Laboratory of Nuclear Resources and Environment
[3] East China University of Technology,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2022年 / 331卷
关键词：
Neutral leaching; Weak acid; High carbonate; High pyrite; Sandstone type uranium ore;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Mineralogical study showed that the Yuejin uranium ore is from a low grade, high carbonate and high pyrite sandstone type uranium deposit. Uranium leaching rate, uranium speciation of leachate, leaching kinetics and precipitation analysis were investigated under the conditions of different acidity, liquid–solid ratio and H2O2 concentration. The test results showed that the weak acid leaching process can be used to develop high carbonate type uranium deposits, however, because of the high content of pyrite, other oxidants except high concentration H2O2 need to be considered.
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页码：2583 / 2596
页数：13
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