Responses of microbial community functional structures to pilot-scale uranium in situ bioremediation

A pilot-scale field test system with an inner loop nested within an outer loop was constructed for in situ U(VI) bioremediation at a US Department of Energy site, Oak Ridge, TN. The outer loop was used for hydrological protection of the inner loop where ethanol was injected for biostimulation of mic...

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Bibliographic Details
Published in:The ISME Journal 2010-08, Vol.4 (8), p.1060-1070
Main Authors: Xu, Meiying, Wu, Wei-Min, Wu, Liyou, He, Zhili, Van Nostrand, Joy D, Deng, Ye, Luo, Jian, Carley, Jack, Ginder-Vogel, Matthew, Gentry, Terry J, Gu, Baouhua, Watson, David, Jardine, Philip M, Marsh, Terence L, Tiedje, James M, Hazen, Terry, Criddle, Craig S, Zhou, Jizhong
Format: Article
Language:English
Subjects:
631/326/252/58
631/326/2565
631/326/41/2482
Anaeromyxobacter
Bacteria - genetics
Bacteria - isolation & purification
Bacteria - metabolism
Bacterial Proteins - genetics
Bacterial Proteins - metabolism
Biodegradation, Environmental
Biomedical and Life Sciences
Bioremediation
Community structure
Desulfovibrio
Drinking water
Ecology
Environmental Restoration and Remediation - methods
Ethanol
Evolutionary Biology
Geobacter
Geochemistry
Groundwater
Injection
Life Sciences
Microbial activity
Microbial Ecology
Microbial Genetics and Genomics
Microbiology
Microorganisms
original-article
Pilot Projects
Pseudomonas
Rhodopseudomonas
Sediment samplers
Shewanella
Sulfates
Uranium
Uranium - metabolism
Water Microbiology
Water Pollutants, Radioactive - metabolism
Wells
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Summary:A pilot-scale field test system with an inner loop nested within an outer loop was constructed for in situ U(VI) bioremediation at a US Department of Energy site, Oak Ridge, TN. The outer loop was used for hydrological protection of the inner loop where ethanol was injected for biostimulation of microorganisms for U(VI) reduction/immobilization. After 2 years of biostimulation with ethanol, U(VI) levels were reduced to below drinking water standard (
ISSN:1751-7362
1751-7370
DOI:10.1038/ismej.2010.31