U (VI) sorption on Ca-bentonite at (hyper) alkaline conditions–Spectroscopic investigations of retention mechanisms
T Philipp, SSA Azzam, A Rossberg, N Huittinen… - Science of the total …, 2019 - Elsevier
Environmental conditions in deep geological repositories for radioactive waste may involve
high pH values due to the degradation of concrete. However, the U (VI) sorption at such …
high pH values due to the degradation of concrete. However, the U (VI) sorption at such …
Hydrotalcite colloidal stability and interactions with uranium (VI) at neutral to alkaline pH
In the United Kingdom, decommissioning of legacy spent fuel storage facilities involves the
retrieval of radioactive sludges that have formed as a result of corrosion of Magnox nuclear …
retrieval of radioactive sludges that have formed as a result of corrosion of Magnox nuclear …
[HTML][HTML] Uranium surface processes with sandstone and volcanic rocks in acidic and alkaline solutions
Understanding the behaviour of uranium waste, for disposal purposes, is crucial due to the
correlation between pH values and the disposal of distinct types of waste, with low level …
correlation between pH values and the disposal of distinct types of waste, with low level …
Identification and Quantification of Multiphase U (VI) Speciation on Gibbsite with pH Using TRLFS and PARAFAC of Excitation Emission Matrices
L Lopez-Odriozola, S Shaw… - Environmental …, 2024 - ACS Publications
The significant abundance of uranium in radioactive waste inventories worldwide
necessitates a thorough understanding of its behavior. In this work, the speciation of uranyl …
necessitates a thorough understanding of its behavior. In this work, the speciation of uranyl …
Impact of physical heterogeneity and transport conditions on effective reaction rates in dissolution
A continuous-time random walk (CTRW) reactive transport model is used to study the impact
of physical heterogeneity on the effective reaction rates in porous media in a sample of …
of physical heterogeneity on the effective reaction rates in porous media in a sample of …
Computational tools for calculating log β values of geochemically relevant uranium organometallic complexes
Uranium (UVI) interacts with organic ligands, subsequently controlling its aqueous
chemistry. It is therefore imperative to assess the binding ability of natural organic …
chemistry. It is therefore imperative to assess the binding ability of natural organic …
Experimental study of pH effect on uranium (UVI) particle formation and transport through quartz sand in alkaline 0.1 M sodium chloride solutions
ME Kirby, JS Watson, J Najorka, JPL Kenney… - Colloids and Surfaces A …, 2020 - Elsevier
A thorough understanding of the aqueous uranium VI (U VI) chemistry in alkaline, sodium
containing solutions is imperative to address a wide range of critical challenges in …
containing solutions is imperative to address a wide range of critical challenges in …
A continuous time random walk method to predict dissolution in porous media based on validation of experimental NMR data
We develop a reactive transport model for dissolution of porous materials using a
Continuous Time Random Walk (CTRW) formulation with first-order kinetics. Our model is …
Continuous Time Random Walk (CTRW) formulation with first-order kinetics. Our model is …
The effect of bacterial growth phase and culture concentration on U (VI) removal from aqueous solution
JPL Kenney, T Ellis, FS Nicol, AE Porter, DJ Weiss - Chemical Geology, 2018 - Elsevier
Bacteria play a key role in controlling the mobility of contaminants, such as uranium (U), in
the environment. Uranium could be sourced from disposed radioactive waste, derived either …
the environment. Uranium could be sourced from disposed radioactive waste, derived either …
Removal of uranium (VI) and thorium (IV) from aqueous solution by Hedera helix leaves: kinetics and thermodynamic studies
FMA Orabi, FI Khalili, LS Ismail - Desalination and Water Treatment, 2021 - Elsevier
In this research, Hedera helix leaves were evaluated for biosorption of uranium (VI) and
thorium (IV) ions from aqueous solution. H. helix leaves were characterized by Fourier …
thorium (IV) ions from aqueous solution. H. helix leaves were characterized by Fourier …