A review of the behavior of radioiodine in the subsurface at two DOE sites
Multiple processes affect the fate of the radioactive isotope 129 I in the environment. Primary
categories of these processes include electron transfer reactions mediated by minerals and …
categories of these processes include electron transfer reactions mediated by minerals and …
Uranyl adsorption onto montmorillonite: Evaluation of binding sites and carbonate complexation
JG Catalano, GE Brown Jr - Geochimica et Cosmochimica Acta, 2005 - Elsevier
The fate and transport of uranium in contaminated soils and sediments may be affected by
adsorption onto the surface of minerals such as montmorillonite. Extended X-ray absorption …
adsorption onto the surface of minerals such as montmorillonite. Extended X-ray absorption …
Influence of calcite and dissolved calcium on uranium (VI) sorption to a Hanford subsurface sediment
The influence of calcite and dissolved calcium on U (VI) adsorption was investigated using a
calcite-containing sandy silt/clay sediment from the US Department of Energy Hanford site …
calcite-containing sandy silt/clay sediment from the US Department of Energy Hanford site …
A review on distribution coefficient (Kd) of some selected radionuclides in soil/sediment over the last three decades
This review paper presents the different methods to estimate K d and subsequent compiles
of the K d data on U, Ra, Th, 137 Cs and 60 Co in soil/sediment under various aquatic …
of the K d data on U, Ra, Th, 137 Cs and 60 Co in soil/sediment under various aquatic …
Effect of sulfate, carbonate, and phosphate on the uranium (VI) sorption behavior onto bentonite
S Bachmaf, B Planer-Friedrich, BJ Merkel - Radiochimica Acta, 2008 - degruyter.com
Batch experiments were conducted to study the uranium U (VI) sorption onto bentonite as a
function of pH (3 to 8), and initial U (VI) concentrations (5× 10− 6 and 5× 10− 5 M) in the …
function of pH (3 to 8), and initial U (VI) concentrations (5× 10− 6 and 5× 10− 5 M) in the …
Colloid-facilitated Cs transport through water-saturated Hanford sediment and Ottawa sand
In this study, a series of saturated column experiments were conducted to investigate effects
of colloids on Cs transport in two types of porous media (Hanford sediment characteristic of …
of colloids on Cs transport in two types of porous media (Hanford sediment characteristic of …
Impact of natural organic matter on uranium transport through saturated geologic materials: from molecular to column scale
The risk stemming from human exposure to actinides via the groundwater track has
motivated numerous studies on the transport of radionuclides within geologic environments; …
motivated numerous studies on the transport of radionuclides within geologic environments; …
Nitrate and colloid transport through coarse Hanford sediments under steady state, variably saturated flow
At the US Department of Energy's Hanford Reservation, colloid‐facilitated transport is a
potential mechanism for accelerated movement of radionuclides like Cs‐137. Here we …
potential mechanism for accelerated movement of radionuclides like Cs‐137. Here we …
Colloid-facilitated transport of cesium in vadose-zone sediments: The importance of flow transients
T Cheng, JE Saiers - Environmental Science & Technology, 2010 - ACS Publications
Colloid-sized particles are commonly detected in vadose-zone pore waters and are capable
of binding chemicals with sorptive affinities for geologic materials. Published research …
of binding chemicals with sorptive affinities for geologic materials. Published research …
Mobilization and transport of in situ colloids during drainage and imbibition of partially saturated sediments
T Cheng, JE Saiers - Water resources research, 2009 - Wiley Online Library
Colloid mobilization and transport in the vadose zone have important implications to the
migration of many contaminants that adsorb to mineral surfaces. The objective of this study …
migration of many contaminants that adsorb to mineral surfaces. The objective of this study …