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Characterization and uranium bioleaching performance of mixed iron- and sulfur-oxidizers versus iron-oxidizers

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成果类型:
期刊论文
作者:
Li, Qian*;Sun, Jing;Ding, Dexin;Wang, Qingliang;Shi, Wenge;...
通讯作者:
Li, Qian
作者机构:
[Li, Qian; Ding, Dexin; Wang, Qingliang; Shi, Wenge; Sun, Jing; Hu, Eming; Jiang, Xiaoyu] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Peoples R China.
[Li, Qian; Ding, Dexin; Wang, Qingliang; Shi, Wenge; Sun, Jing; Hu, Eming; Jiang, Xiaoyu] Univ South China, Sch Nucl Resources Engn, Hengyang 421001, Peoples R China.
[Wang, Xingxing] Cent S Univ, Sch Minerals Proc & Bioengn, Changsha 410083, Hunan, Peoples R China.
通讯机构:
[Li, Qian] U
Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Peoples R China.
Univ South China, Sch Nucl Resources Engn, Hengyang 421001, Peoples R China.
语种:
英文
关键词:
iron;iron oxide;sulfur oxide;uranium;Acidithiobacillus ferrooxidans;Article;bacterial strain;bioaccumulation;bioleaching;chemical analysis;chemical structure;community structure;controlled study;microbial consortium;nonhuman;physical chemistry;physical parameters
期刊:
Journal of Radioanalytical and Nuclear Chemistry
ISSN:
0236-5731
年:
2017
卷:
314
期:
3
页码:
1939-1946
基金类别:
Acknowledgements This work was supported and funded by the China Postdoctoral Science Foundation (No. 2014M562116), Natural Science Foundation of Hunan Province in China (No. 14JJ6024).
机构署名:
本校为第一且通讯机构
院系归属:
核资源工程学院
摘要:
In order to develop and apply mixed iron- and sulfur-oxidizers in uranium bioleaching, the characteristics of a mixed iron- and sulfur-oxidizing consortium (Consortium ISO) were comparatively investigated versus an iron-oxidizing consortium (Consortium IO). The results showed, the Consortium ISO exerted stronger oxidative ability and acid-producing ability than Consortium IO did. The synergy of sulfur-oxidizers and iron-oxidizers could change the structure and properties of the passivation substance, and work positively for eliminating the accumulation of passivation substance. In the bioleach...

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