Molecular-level understanding of metal ion retention in clay-rich materials

X Liu, C Tournassat, S Grangeon… - Nature Reviews Earth & …, 2022 - nature.com
Clay minerals retain or adsorb metal ions in the Earth's critical zone. Rocks, sediments and
soils rich in clay minerals can concentrate rare earth elements (REEs) in ion adsorption-type …

Mineral–water interface reactions of actinides

H Geckeis, J Lützenkirchen, R Polly, T Rabung… - Chemical …, 2013 - ACS Publications
Reactions of the light actinide ions (Th to Cm) at the mineral− aqueous solution interface
have attracted much attention during recent years. Initially research was mainly driven by the …
IC Bourg, LE Beckingham… - Environmental science & …, 2015 - ACS Publications
Carbon capture and storage (CCS) is likely to be a critical technology to achieve large
reductions in global carbon emissions over the next century. Research on the subsurface …

Ion adsorption and diffusion in smectite: Molecular, pore, and continuum scale views

RM Tinnacher, M Holmboe, C Tournassat… - … et Cosmochimica Acta, 2016 - Elsevier
Clay-rich media have been proposed as engineered barrier materials or host rocks for high
level radioactive waste repositories in several countries. Hence, a detailed understanding of …

Structural arrangements of isomorphic substitutions in smectites: Molecular simulation of the swelling properties, interlayer structure, and dynamics of hydrated Cs …

BF Ngouana W, AG Kalinichev - The Journal of Physical Chemistry …, 2014 - ACS Publications
Three new structural models of montmorillonite with differently distributed Al/Si and Mg/Al
substitutions in the tetrahedral and octahedral clay layers are systematically developed and …

Geological disposal of radioactive waste in clay

B Grambow - Elements, 2016 - pubs.geoscienceworld.org
Kee** future generations safe from today's nuclear waste relies on this waste being
effectively isolated for all time. Clay rocks, or rocks with a high clay content, offer promising …

Diffusion and sorption of Cs+, Na+, I− and HTO in compacted sodium montmorillonite as a function of porewater salinity: Integrated sorption and diffusion model

Y Tachi, K Yotsuji - Geochimica et Cosmochimica Acta, 2014 - Elsevier
Montmorillonite clay is an important component of barrier materials such as bentonites and
argillaceous rocks for the safe geological disposal of radioactive waste. The diffusion and …

Reactive transport modeling of coupled processes in nanoporous media

C Tournassat, CI Steefel - Reviews in Mineralogy and …, 2019 - pubs.geoscienceworld.org
Nanoporous media consist of homogeneous or heterogeneous porous material in which a
significant part of the pore size distribution lies in the nanometer range. Clayey rocks …