Colloid mobilization and transport in groundwater

JN Ryan, M Elimelech - Colloids and surfaces A: Physicochemical and …, 1996 - Elsevier
Recent field and laboratory experiments have identified colloid-facilitated transport of
contaminants as an important mechanism of contaminant migration through groundwater …

Mobile subsurface colloids and their role in contaminant transport

R Kretzschmar, M Borkovec, D Grolimund… - Advances in …, 1999 - Elsevier
Publisher Summary It is noted that colloidal particles can be effectively transported through
subsurface porous media under certain hydrogeochemical conditions. If present in large …

Colloid transport in geochemically heterogeneous porous media: Modeling and measurements

PR Johnson, N Sun, M Elimelech - Environmental science & …, 1996 - ACS Publications
The transport of colloids in geochemically heterogeneous porous media is investigated. A
model describing the transport and deposition of colloids onto heterogeneously charged …

Colloid transport and retention in unsaturated porous media: A review of interface‐, collector‐, and pore‐scale processes and models

SA Bradford, S Torkzaban - Vadose Zone Journal, 2008 - Wiley Online Library
Our ability to accurately simulate the transport and retention of colloids in the vadose zone is
currently limited by our lack of basic understanding of colloid retention processes that occur …

Dynamics of colloid deposition in porous media: Blocking based on random sequential adsorption

PR Johnson, M Elimelech - langmuir, 1995 - ACS Publications
An improved theoretical model is presented for quantifying the dynamics of colloid
depositionin granular porous media. The model characterizes thetransient aspects of …

Continuum-based models and concepts for the transport of nanoparticles in saturated porous media: A state-of-the-science review

P Babakhani, J Bridge, R Doong, T Phenrat - Advances in colloid and …, 2017 - Elsevier
Environmental applications of nanoparticles (NP) increasingly result in widespread NP
distribution within porous media where they are subject to various concurrent transport …

Experimental determination of colloid deposition rates and collision efficiencies in natural porous media

R Kretzschmar, K Barmettler… - Water Resources …, 1997 - Wiley Online Library
Mobile colloids in groundwater aquifers and soils can serve as carriers for strongly sorbing
contaminants and thereby facilitate contaminant transport. Therefore mobile colloids may …

Mechanisms of TiO2 nanoparticle transport in porous media: Role of solution chemistry, nanoparticle concentration, and flowrate

I Chowdhury, Y Hong, RJ Honda, SL Walker - Journal of colloid and …, 2011 - Elsevier
The role of solution chemistry, nanoparticle concentration and hydrodynamic effects in the
transport and deposition of TiO 2 nanoparticles through porous media has been …

Retention and transport of silica nanoparticles in saturated porous media: effect of concentration and particle size

C Wang, AD Bobba, R Attinti, C Shen… - … science & technology, 2012 - ACS Publications
Investigations on factors that affect the fate and transport of nanoparticles (NPs) remain
incomplete to date. In the present study, we conducted column experiments using 8 and 52 …

Transport of single-walled carbon nanotubes in porous media: filtration mechanisms and reversibility

DP Jaisi, NB Saleh, RE Blake… - Environmental science & …, 2008 - ACS Publications
Deposition of nanomaterials onto surfaces is a key process governing their transport, fate,
and reactivity in aquatic systems. We evaluated the transport and deposition behavior of …