Clay swelling—a challenge in the oilfield

RL Anderson, I Ratcliffe, HC Greenwell… - Earth-Science …, 2010 - Elsevier
Water-based drilling fluids are increasingly being used for oil and gas exploration, and are
generally considered to be more environmentally acceptable than oil-based or synthetic …

Raw and modified clays and clay minerals for the removal of pharmaceutical products from aqueous solutions: State of the art and future perspectives

T Thiebault - Critical Reviews in Environmental Science and …, 2020 - Taylor & Francis
The occurrence of pharmaceutical products (PPs) within environmental compartments
challenges the scientific community and water treatment operators to find suitable and …

Molecular dynamics simulations of water structure and diffusion in silica nanopores

IC Bourg, CI Steefel - The Journal of Physical Chemistry C, 2012 - ACS Publications
We present molecular dynamics (MD) simulations of water-filled silica nanopores such as
those that occur in ordered oxide ceramics (MCM-41, SBA-15), controlled pore glasses …

Acidity of edge surface sites of montmorillonite and kaolinite

X Liu, X Lu, M Sprik, J Cheng, EJ Meijer… - … et Cosmochimica Acta, 2013 - Elsevier
Acid–base chemistry of clay minerals is central to their interfacial properties, but up to now a
quantitative understanding on the surface acidity is still lacking. In this study, with first …

Water self-diffusion in CSH: Effect of confinement and temperature studied by molecular dynamics

T Honorio, H Carasek, O Cascudo - Cement and Concrete Research, 2022 - Elsevier
Despite the recent advances in the understanding of diffusion processes in CSH, there are
still open questions regarding the pore-size dependence of diffusion and associated …

Molecular dynamics simulations of water and sodium diffusion in smectite interlayer nanopores as a function of pore size and temperature

M Holmboe, IC Bourg - The Journal of Physical Chemistry C, 2014 - ACS Publications
The diffusion coefficients (D) of water and solutes in nanoporous Na-smectite clay barriers
have been widely studied because of their importance in high-level radioactive waste …

Molecular dynamics simulations of cesium adsorption on illite nanoparticles

LN Lammers, IC Bourg, M Okumura, K Kolluri… - Journal of colloid and …, 2017 - Elsevier
The charged surfaces of micaceous minerals, especially illite, regulate the mobility of the
major radioisotopes of Cs (134 Cs, 135 Cs, 137 Cs) in the geosphere. Despite the long …

Large-scale molecular dynamics simulation of the dehydration of a suspension of smectite clay nanoparticles

TR Underwood, IC Bourg - The Journal of Physical Chemistry C, 2020 - ACS Publications
Fine-grained sediments and sedimentary rocks play important roles in a variety of modern
energy technologies from petroleum geology to geological carbon sequestration and …

Thermodynamics of water confined in porous calcium-silicate-hydrates

PA Bonnaud, Q Ji, B Coasne, RJM Pellenq… - Langmuir, 2012 - ACS Publications
Water within pores of cementitious materials plays a crucial role in the damage processes of
cement pastes, particularly in the binding material comprising calcium-silicate-hydrates (C …

Hydrodynamics in clay nanopores

A Botan, B Rotenberg, V Marry, P Turq… - The Journal of …, 2011 - ACS Publications
We report a molecular simulation study of hydrodynamics in clay nanopores, with pore
widths ranging from 2 to 9 nm. Understanding mass transfer through clay nanopores is …