Effect of Bacterial Inoculation Ratio on Bioleaching of Uranium
Received:November 16, 2017   Revised:November 20, 2017   Accepted:November 21, 2017      Published Online:April 16, 2018
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DOI:doi:10.3969/j.issn.1007-7545.2018.05.011
KeyWord:low grade uranium ore; bacterial inoculation ratio; bioleaching
                 
AuthorInstitution
WANG Xuegang 东华理工大学 省部共建核资源与环境国家重点实验室培育基地
GAO Xu 东华理工大学 水资源与环境工程学院
SUN Zhanxue 东华理工大学 省部共建核资源与环境国家重点实验室培育基地
LIU Yajie 东华理工大学 省部共建核资源与环境国家重点实验室培育基地
Zheng Zhihong 东华理工大学 省部共建核资源与环境国家重点实验室培育基地
WANG Jun 东华理工大学 水资源与环境工程学院
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Abstract:
      Effects of inoculation amount of bacteria on uranium bioleaching were studied applying one refractory uranium ore as raw material. Under the same leaching condition, uranium leaching rates for 5%, 10%, 20%, and 30% bacterial inoculation after inoculation at 84 h is 50.46%, 56.42%, 62.38% and 67.05%, respectively. The higher the inoculation rate is, the higher the leaching rate of uranium is. Proper uranium bioleaching rate can be obtained by controlling amount of bacteria inoculated in refractory uranium bioleaching process.
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