Influence of microorganisms on uranium release from mining-impacted lake sediments under various oxygenation conditions
Journal Article
·
· Environmental Science: Processes & Impacts
- PSE-ENV/SEDRE, Fontenay-aux-Roses (France). Institut de Radioprotection et de Sûreté Nucléaire (IRSN)
- Université de Lorraine, Metz (France)
- Sorbonne Univ., Paris (France). Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC)
- PSE-ENV/SEDRE, Fontenay-aux-Roses (France). Institut de Radioprotection et de Sûreté Nucléaire (IRSN); Sorbonne Univ., Paris (France). Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC)
- Athos Environnement, 63171 Aubière, France
Microbial processes can be involved in the remobilization of uranium (U) from reduced sediments under O2 reoxidation events such as water table fluctuations. Such reactions could be typically encountered after U-bearing sediment dredging operations. Solid U(IV) species may thus reoxidize into U(VI) that can be released in pore waters in the form of aqueous complexes with organic and inorganic ligands. Non-uraninite U(IV) species may be especially sensitive to reoxidation and remobilization processes. Nevertheless, little is known regarding the effect of microbially mediated processes on the behaviour of U under these conditions.
- Research Organization:
- SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)
- Sponsoring Organization:
- USDOE Office of Science (SC), Biological and Environmental Research (BER); National Institutes of Health (NIH)
- Grant/Contract Number:
- AC02-76SF00515
- OSTI ID:
- 2423908
- Journal Information:
- Environmental Science: Processes & Impacts, Journal Name: Environmental Science: Processes & Impacts Journal Issue: 10 Vol. 24; ISSN 2050-7887; ISSN ESPICZ
- Publisher:
- Royal Society of ChemistryCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Similar Records
Carbonate Facilitated Mobilization of Uranium from Lacustrine Sediments under Anoxic Conditions
Microbial populations stimulated for hexavalent uranium reduction in uranium mine sediment.
Oxidative Uranium Release from Anoxic Sediments under Diffusion-Limited Conditions
Journal Article
·
2018
· Environmental Science and Technology
·
OSTI ID:1476326
+8 more
Microbial populations stimulated for hexavalent uranium reduction in uranium mine sediment.
Journal Article
·
2003
· Appl. Environ. Microbiol.
·
OSTI ID:961288
+1 more
Oxidative Uranium Release from Anoxic Sediments under Diffusion-Limited Conditions
Journal Article
·
2017
· Environmental Science and Technology
·
OSTI ID:1463304
+4 more