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Open access
Springer Nature
Scientific Reports
,  volume 12 ,  issue 1 ,  publication number 4557

Risk of colloidal and pseudo-colloidal transport of actinides in nitrate contaminated groundwater near a radioactive waste repository after bioremediation

Publication type: Journal Article
Publication date: 2022-03-16
Springer Nature
scimago Q1
wos Q1
SJR: 0.874
CiteScore: 6.7
Impact factor: 3.9
ISSN: 20452322
Multidisciplinary
Abstract

The possible role of biogeochemical processes in the transport of colloidal and pseudo-colloidal U, Np, and Pu during bioremediation of radionuclide- and nitrate-contaminated groundwater was investigated. In two laboratory experiments with water samples taken from contaminated aquifers before and post bioremediation, we found that microbial processes could cause clayed, ferruginous, and actinide colloids to coagulate. The main mechanisms are biogenic insoluble ferrous iron species formations (goethite, pyrrhotite, siderite, troilite, and ferrihydrite), the aggregation of clay particles by microbial metabolites, and the immobilization of actinides in the bacterial cells, large polymers, and iron and clayed sediments. This process decreases the risk of colloidal and pseudo-colloidal transport of actinides.

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GOST Copy
SAFONOV A. et al. Risk of colloidal and pseudo-colloidal transport of actinides in nitrate contaminated groundwater near a radioactive waste repository after bioremediation // Scientific Reports. 2022. Vol. 12. No. 1. 4557
GOST all authors (up to 50) Copy
SAFONOV A., Lavrinovich E., Emelyanov A., Boldyrev K., Kuryakov V., Rodygina N., Zakharova E., Novikov A. Risk of colloidal and pseudo-colloidal transport of actinides in nitrate contaminated groundwater near a radioactive waste repository after bioremediation // Scientific Reports. 2022. Vol. 12. No. 1. 4557
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/s41598-022-08593-3
UR - https://www.nature.com/articles/s41598-022-08593-3
TI - Risk of colloidal and pseudo-colloidal transport of actinides in nitrate contaminated groundwater near a radioactive waste repository after bioremediation
T2 - Scientific Reports
AU - SAFONOV, ALEXEY
AU - Lavrinovich, Elena
AU - Emelyanov, Alexander
AU - Boldyrev, Kirill
AU - Kuryakov, Vladimir
AU - Rodygina, Natalia
AU - Zakharova, Elena
AU - Novikov, Alexander
PY - 2022
DA - 2022/03/16
PB - Springer Nature
IS - 1
VL - 12
PMID - 35296759
SN - 2045-2322
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2022_SAFONOV,
author = {ALEXEY SAFONOV and Elena Lavrinovich and Alexander Emelyanov and Kirill Boldyrev and Vladimir Kuryakov and Natalia Rodygina and Elena Zakharova and Alexander Novikov},
title = {Risk of colloidal and pseudo-colloidal transport of actinides in nitrate contaminated groundwater near a radioactive waste repository after bioremediation},
journal = {Scientific Reports},
year = {2022},
volume = {12},
publisher = {Springer Nature},
month = {mar},
url = {https://www.nature.com/articles/s41598-022-08593-3},
number = {1},
pages = {4557},
doi = {10.1038/s41598-022-08593-3}
}