Chemical Speciation of Sandstone-type Uranium Deposit and Its Instructions for In-situ Leaching in Xinjiang

被引：0
|
作者：
Duan Xianzhe [1 ]
Zheng Jian [1 ]
Wang Xiaoning [1 ]
Yang Bifeng [1 ]
Song Jia [1 ]
Feng Zhigang [1 ]
Hu Yang [1 ,2 ,3 ]
机构：
[1] Univ South China, Sch Nucl Resources Engn, Hengyang 421001, Hunan, Peoples R China
[2] Univ South China, Post Doctoral Res Stn Min Engn, Hengyang 421001, Hunan, Peoples R China
[3] Univ South China, Cooperat Innovat Ctr Nucl Fuel Cycle Technol & Eq, Hengyang 421001, Hunan, Peoples R China
来源：
MACHINERY, MATERIALS SCIENCE AND ENERGY ENGINEERING | 2015年
关键词：
Sandstone-type uranium deposit; Chemical speciation of uranium; Sequential chemical extraction; In-situ Leaching;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Sequential chemical extraction procedure was modified from Tessier process and demonstrates its application to sandstone uranium exploration. Use it to study uranium speciation with six different samples from in-situ leaching sandstone-type uranium deposits. The chemical speciation of uranium in samples was classified into six speciation: the exchangeable ion, carbonates bound, sulfide-organic matter speciation bound, amorphous Fe-Mn oxides bound, sparry Fe-Mn oxides bound and the residual state. Through the research, the uranium distribution characteristics were significantly different whether they were in different samples or in the same sample. Therefore, the research on chemical speciation of uranium Deposit before the production is essential to reasonable evaluation of Deposit and can guide the technology of in-situ leaching uranium Deposit. It also can rich the mineralization mechanism of sandstone-type uranium Deposit.
引用
收藏
页码：904 / 911
页数：8
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