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Bioremediation of uranium-contaminated groundwater with an indigenous consortium under high-nitrate conditions

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成果类型:
期刊论文
作者:
Wang, Guohua;He, Shan;Xiao, Quanjin;Peng, Kun;Tang, Donghui;...
通讯作者:
Li, SY
作者机构:
[Xiao, Quanjin; Dong, Zhitao; Peng, Kun; Tang, Donghui; He, Shan; Li, Shiyou; Li, SY; Wang, Guohua; Pan, Menglu] Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.
[Xiao, Quanjin; Dong, Zhitao; Peng, Kun; Tang, Donghui; He, Shan; Li, Shiyou; Li, SY; Wang, Guohua] Univ South China, Hunan Prov Key Lab Pollut Control & Resource Reuse, Hengyang 421001, Peoples R China.
[Li, Shiyou; Li, SY; Wang, Guohua] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Min, Hengyang 421001, Peoples R China.
通讯机构:
[Li, SY ] U
Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.
Univ South China, Hunan Prov Key Lab Pollut Control & Resource Reuse, Hengyang 421001, Peoples R China.
Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Min, Hengyang 421001, Peoples R China.
语种:
英文
关键词:
Biomineralization;Bioremediation;Contamination;Crystallinity;Groundwater;Groundwater pollution;Microorganisms;Bioreductions;Carbon source;Condition;Contaminated groundwater;Glycerophosphate;High crystallinity;Indigenous consortium;Nitrate concentration;Uranium reduction;Uranium removals;Nitrates;glyphosate;ground water;nitrate;uranium;aquifer;Article;Bacillus subtilis;bacterial growth;Bacteroides;Betaproteobacteria;biodegradation;biomineralization;bioremediation;Candida albicans;carbon source;chemistry;controlled study;crystal structure;denitrification;DNA extraction;energy dispersive X ray spectroscopy;Fourier transform infrared spectroscopy;glycemic index;inductively coupled plasma mass spectrometry;infrared spectroscopy;inhibition constant;instrument sterilization;ion chromatography;microbial community;microbial consortium;microbial diversity;microbial metabolism;nonhuman;pH;protein stability;Proteobacteria;surface property;water contamination;X ray diffraction
期刊:
Journal of Radioanalytical and Nuclear Chemistry
ISSN:
0236-5731
年:
2024
卷:
333
期:
6
页码:
2709-2722
基金类别:
This work was financially supported by the National Natural Science Foundation of China (51904155), Natural Science Foundation of Hunan Province (2022JJ30490), and Education Department Fund of Hunan Province of China (21C0285, 21B0432).
机构署名:
本校为第一且通讯机构
院系归属:
土木工程学院
核资源工程学院
摘要:
This study investigates the effects of nitrate exposure on the indigenous consortium mediated remediation of uranium-contaminated groundwater. Intermittent experiments reveal that high-nitrate concentrations hinder uranium reduction, whereas using glycerophosphate as carbon source, microbe could immobilize uranium by generating biomineralized precipitates with high crystallinity, and these precipitates exhibited better stability at high-nitrate concentration compared to those formed at low-nitrate condition. We also elucidated the mechanism of ...

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