Molecular-level understanding of metal ion retention in clay-rich materials
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 …
soils rich in clay minerals can concentrate rare earth elements (REEs) in ion adsorption-type …
Adsorption and removal of metal ions by smectites nanoparticles: Mechanistic aspects, and impacts of charge location and edge structure
X Liu, S Yang, P Gu, S Liu, G Yang - Applied Clay Science, 2021 - Elsevier
Clay minerals are efficient adsorbents for metal ions and have been widely used to control
heavy metals, while a number of critical issues remain elusive. In this study, the fully flexible …
heavy metals, while a number of critical issues remain elusive. In this study, the fully flexible …
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 …
level radioactive waste repositories in several countries. Hence, a detailed understanding of …
Zinc adsorption on clays inferred from atomistic simulations and EXAFS spectroscopy
SV Churakov, R Dähn - Environmental science & technology, 2012 - ACS Publications
Clay minerals are efficient sinks for heavy metals in the geosphere. Knowing the uptake
mechanism of these elements on clays can help to protect the natural environment from …
mechanism of these elements on clays can help to protect the natural environment from …
Surface complexation of heavy metal cations on clay edges: insights from first principles molecular dynamics simulation of Ni (II)
Aiming at an atomistic mechanism of heavy metal cation complexing on clay surfaces, we
carried out systematic first principles molecular dynamics (FPMD) simulations to investigate …
carried out systematic first principles molecular dynamics (FPMD) simulations to investigate …
[PDF][PDF] Modeling specific pH dependent sorption of divalent metals on montmorillonite surfaces. A review of pitfalls, recent achievements and current challenges
Within the context of the clay barrier concept for underground nuclear waste disposal,
montmorillonite and bentonite have been widely used as reference materials for sorption. In …
montmorillonite and bentonite have been widely used as reference materials for sorption. In …
Differential adsorption of clay minerals: Implications for organic matter enrichment
T Zhao, S Xu, F Hao - Earth-Science Reviews, 2023 - Elsevier
The interactions between clay minerals and organic matter, specifically adsorption, are
widely recognized as a crucial mechanism for promoting the preservation of organic matter …
widely recognized as a crucial mechanism for promoting the preservation of organic matter …
The link between clay mineral weathering and the stabilization of Ni surface precipitates
The formation of transition-metal surface precipitates may occur during sorption to clay
minerals under ambient soil conditions. This process may lead to significant long-term …
minerals under ambient soil conditions. This process may lead to significant long-term …
Adsorption of rare earth elements in regolith-hosted clay deposits
Global resources of heavy Rare Earth Elements (REE) are dominantly sourced from
Chinese regolith-hosted ion-adsorption deposits in which the REE are inferred to be weakly …
Chinese regolith-hosted ion-adsorption deposits in which the REE are inferred to be weakly …
Selective adsorption and irreversible fixation behavior of cesium onto 2: 1 layered clay mineral: A mini review
In this study, we reviewed the selective adsorption and irreversible fixation of cesium (Cs+)
on clay minerals. The selective adsorption of Cs+ results from reactions with frayed edge …
on clay minerals. The selective adsorption of Cs+ results from reactions with frayed edge …