Radioiodine biogeochemistry and prevalence in groundwater

DI Kaplan, ME Denham, S Zhang… - Critical reviews in …, 2014 - Taylor & Francis
129I is commonly either the top or among the top risk drivers, along with 99Tc, at
radiological waste disposal sites and contaminated groundwater sites where nuclear …

Iodine and plutonium association with natural organic matter: A review of recent advances

PH Santschi, C Xu, S Zhang, KA Schwehr… - Applied …, 2017 - Elsevier
Radionuclides reach the environment from natural or anthropogenic sources and are
equilibrating over time with different phases through sorption and precipitation reactions …

Recent advances in the detection of specific natural organic compounds as carriers for radionuclides in soil and water environments, with examples of radioiodine and …

PH Santschi, C Xu, S Zhang, KA Schwehr, P Lin… - Journal of …, 2017 - Elsevier
Among the key environmental factors influencing the fate and transport of radionuclides in
the environment is natural organic matter (NOM). While this has been known for decades …

Microbial contributions to iodide enrichment in deep groundwater in the North China Plain

Z Jiang, M Huang, Y Jiang, Y Dong, L Shi… - Environmental …, 2023 - ACS Publications
Microorganisms play crucial roles in the global iodine cycling through iodine oxidation,
reduction, volatilization, and deiodination. In contrast to iodate formation in radionuclide …

Radioiodine concentrated in a wetland

DI Kaplan, S Zhang, KA Roberts, K Schwehr… - Journal of environmental …, 2014 - Elsevier
Most subsurface environmental radioactivity contamination is expected to eventually
resurface in riparian zones, or wetlands. There are a number of extremely sharp …

Influence of physicochemical properties of various soil types on iodide and iodate sorption

E Duborská, M Urík, M Bujdoš, M Matulová - Chemosphere, 2019 - Elsevier
Studies that deal with iodine mobility in uncontaminated agricultural soils are scarce and
unique. Therefore, in this article, we have evaluated the sorption behavior of two most …

Model of radioiodine speciation and partitioning in organic-rich and organic-poor soils from the Savannah River Site

H Chang, C Xu, KA Schwehr, S Zhang… - Journal of …, 2014 - Elsevier
Radioiodine biogeochemistry was investigated by develo** an integrated comprehensive
model describing multiple physiochemical and enzyme catalyzed reactions based on …

Temporal Variation of Iodine Concentration and Speciation (127I and 129I) in Wetland Groundwater from the Savannah River Site, USA

S Zhang, YF Ho, D Creeley, KA Roberts… - … science & technology, 2014 - ACS Publications
129I derived from a former radionuclide disposal basin located on the Savannah River Site
(SRS) has concentrated in a wetland 600 m downstream. To evaluate temporal …

1H-13C heteronuclear single quantum coherence NMR evidence for iodination of natural organic matter influencing organo-iodine mobility in the environment

C Xu, P Lin, R Garimella, D Li, W **ng… - Science of the Total …, 2022 - Elsevier
The complex biogeochemical behavior of iodine (I) isotopes and their interaction with
natural organic matter (NOM) pose a challenge for transport models. Here, we present …

Microbial contribution to iodine speciation in hanford's central plateau groundwater: iodide oxidation

BD Lee, EL Moser, SM Brooks, DL Saunders… - Frontiers in …, 2020 - frontiersin.org
A waste product from plutonium production at Hanford, the radioisotope iodine-129 (129I), is
an environmental concern due to its long half-life, mobility, and hazardous potential to …