Oxide–and silicate–water interfaces and their roles in technology and the environment

JL Bañuelos, E Borguet, GE Brown Jr… - Chemical …, 2023 - ACS Publications
Interfacial reactions drive all elemental cycling on Earth and play pivotal roles in human
activities such as agriculture, water purification, energy production and storage …

Understanding geopolymer binder-aggregate interfacial characteristics at molecular level

MF Kai, JG Dai - Cement and Concrete Research, 2021 - Elsevier
The interfacial characteristics of geopolymer binder to aggregate composites are poorly
understood, especially at molecular level. Herein, molecular models are developed to study …

A review of molecular dynamics simulations in the designing of effective shale inhibitors: application for drilling with water-based drilling fluids

RE Swai - Journal of Petroleum Exploration and Production …, 2020 - Springer
When drilling for oil and gas, maintaining wellbore stability is of primary importance to
reduce non-productive time and trouble cost. Shale swelling causes many problems related …

Thermal and acoustic insulation properties in nanoporous geopolymer nanocomposite

W Sekkal, A Zaoui - Cement and Concrete Composites, 2023 - Elsevier
In building and construction sector, seeking for high thermal and sound insulation materials
is crucial to reach lower carbon footprints and also for curtailed consumption energy either …

Experimental investigation on hydration mechanism of Sichuan shale (China)

J Liu, Z Yang, J Sun, Z Dai, K Lv, Q You - Journal of Petroleum Science and …, 2021 - Elsevier
During the drilling in shale reservoirs using water-based drilling fluids, shale hydration leads
to various risks such as wellbore collapse and stuck drills. However, the mechanism of shale …

Surface complexation of heavy metal cations on clay edges: insights from first principles molecular dynamics simulation of Ni (II)

C Zhang, X Liu, X Lu, M He, EJ Meijer… - … et Cosmochimica Acta, 2017 - Elsevier
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 …

Mechanistic understanding of uranyl ion complexation on montmorillonite edges: a combined first-principles molecular dynamics–surface complexation modeling …

C Zhang, X Liu, RM Tinnacher… - Environmental science & …, 2018 - ACS Publications
Systematic first-principles molecular dynamics (FPMD) simulations were carried out to study
the structures, free energies, and acidity constants of UO22+ surface complexes on …

High strength metakaolin-based geopolymer reinforced by pristine and covalent functionalized carbon nanotubes

W Sekkal, A Zaoui - Construction and Building Materials, 2022 - Elsevier
The present work provides new insight into the effects of pristine and functionalized carbon
nanotubes (CNT's) on the mechanical properties of metakaolin-based geopolymer …

Molecular dynamics simulation of resin adsorption at kaolinite edge sites: Effect of surface deprotonation on interfacial structure

TR Zeitler, JA Greathouse, RT Cygan… - The Journal of …, 2017 - ACS Publications
Low-salinity water flooding, a method of enhanced oil recovery, consists of injecting low
ionic strength fluids into an oil reservoir in order to detach oil from mineral surfaces in the …

Mechanism of exfoliation and prediction of materials properties of clay–polymer nanocomposites from multiscale modeling

JL Suter, D Groen, PV Coveney - Nano letters, 2015 - ACS Publications
We describe the mechanism that leads to full exfoliation and dispersion of organophilic clays
when mixed with molten hydrophilic polymers. This process is of fundamental importance for …