[HTML][HTML] Review of pore network modelling of porous media: Experimental characterisations, network constructions and applications to reactive transport

Q Xiong, TG Baychev, AP Jivkov - Journal of contaminant hydrology, 2016 - Elsevier
Pore network models have been applied widely for simulating a variety of different physical
and chemical processes, including phase exchange, non-Newtonian displacement, non …

Fickian diffusion of radionuclides for engineered containment barriers: Diffusion coefficients, porosities, and complicating issues

CD Shackelford, SM Moore - Engineering Geology, 2013 - Elsevier
A review of the literature was undertaken primarily with the goal of discerning the types of
diffusion coefficients that have been reported with respect to diffusion of radionuclides …

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 …

Molecular dynamics simulations of the electrical double layer on smectite surfaces contacting concentrated mixed electrolyte (NaCl–CaCl2) solutions

IC Bourg, G Sposito - Journal of colloid and interface science, 2011 - Elsevier
We report new molecular dynamics results elucidating the structure of the electrical double
layer (EDL) on smectite surfaces contacting mixed NaCl–CaCl 2 electrolyte solutions in the …

Anion exclusion effects in compacted bentonites: towards a better understanding of anion diffusion

LR Van Loon, MA Glaus, W Müller - Applied Geochemistry, 2007 - Elsevier
Diffusion of 36Cl− in compacted bentonite was studied using through-diffusion, out-diffusion
and profile analysis techniques. Both the bulk dry density of the bentonite and the …

Porosity investigation of compacted bentonite using XRD profile modeling

M Holmboe, S Wold, M Jonsson - Journal of Contaminant Hydrology, 2012 - Elsevier
Many countries intend to use compacted bentonite as a barrier in their deep geological
repositories for nuclear waste. In order to describe and predict hydraulic conductivity or …

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 …

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 …

Modelling approaches for anion-exclusion in compacted Na-bentonite

C Tournassat, CAJ Appelo - Geochimica et Cosmochimica Acta, 2011 - Elsevier
The accessible porosity for Cl− in bentonite is smaller than the the total porosity due to anion
repulsion (exclusion) by the surface of montmorillonite, the main mineral in bentonite. The …

The Nanoscale Basis of CO2 Trapping for Geologic Storage

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 …