Direct pore scale numerical simulation of colloid transport and retention. Part I: Fluid flow velocity, colloid size, and pore structure effects

MS Kermani, S Jafari, M Rahnama, A Raoof - Advances in Water …, 2020 - Elsevier
In this study, we have developed a combined lattice Boltzmann-smoothed profile method to
explore coupled mechanisms governing transport of colloids and their retention in porous …

Modeling the coupled effects of pore space geometry and velocity on colloid transport and retention

SA Bradford, S Torkzaban, F Leij… - Water Resources …, 2009 - Wiley Online Library
Recent experimental and theoretical work has demonstrated that pore space geometry and
hydrodynamics can play an important role in colloid retention under unfavorable attachment …

Predicting colloid transport through saturated porous media: A critical review

IL Molnar, WP Johnson, JI Gerhard… - Water Resources …, 2015 - Wiley Online Library
Understanding and predicting colloid transport and retention in water‐saturated porous
media is important for the protection of human and ecological health. Early applications of …

[HTML][HTML] Application of machine learning in colloids transport in porous media studies: Lattice Boltzmann simulation results as training data

H Aslannejad, M Samari-Kermani, HM Nezami… - Chemical Engineering …, 2022 - Elsevier
Colloid transport through a porous medium changes geometrical and hydraulic properties of
the pore space. The impact of this effect depends on the colloid types and pore space …

Modeling colloid transport in unsaturated porous media and validation with laboratory column data

MY Corapcioglu, H Choi - Water Resources Research, 1996 - Wiley Online Library
Colloidal particles can act as carriers to enhance the transport of contaminants in porous
media by reducing retardation effects. When colloids are present, especially in the vadose …

Simulation of colloid transport and retention using a pore‐network model with roughness and chemical heterogeneity on pore surfaces

D Lin, L Hu, SA Bradford, X Zhang… - Water Resources …, 2021 - Wiley Online Library
Colloid transport and retention in porous media is a common phenomenon in both nature
and industry. However, many questions remain on how to obtain colloid transport and …

Tracking colloid transport in porous media using discrete flow fields and sensitivity of simulated colloid deposition to space discretization

Z Li, D Zhang, X Li - Environmental science & technology, 2010 - ACS Publications
Advances in pore structure characterization and lattice− Boltzmann (LB) simulations of flow
fields in pore spaces are making mechanistic simulations of colloid transport in real porous …

Tracking colloid transport in real pore structures: Comparisons with correlation equations and experimental observations

Z Li, D Zhang, X Li - Water Resources Research, 2012 - Wiley Online Library
Accurate prediction of colloid transport in porous media under environmentally relevant
conditions requires incorporation of complex pore geometries into particle trajectory …

Pore‐scale processes that control dispersion of colloids in saturated porous media

M Auset, AA Keller - Water resources research, 2004 - Wiley Online Library
Colloidal dispersion in porous media is a consequence of the different paths and velocities
experienced by the colloids. We examined at the pore scale the effect of particle and pore …

Transport of colloids in saturated porous media: A pore‐scale observation of the size exclusion effect and colloid acceleration

S Sirivithayapakorn, A Keller - Water Resources Research, 2003 - Wiley Online Library
We present experimental evidence of the effect of colloid exclusion from areas of small
aperture sizes, using direct observations at the pore‐scale using a realistic micromodel of …