Organic contaminant transport and fate in the subsurface: Evolution of knowledge and understanding

HI Essaid, BA Bekins… - Water Resources Research, 2015 - Wiley Online Library
Toxic organic contaminants may enter the subsurface as slightly soluble and volatile
nonaqueous phase liquids (NAPLs) or as dissolved solutes resulting in contaminant plumes …

Multiphase flow and transport modeling in heterogeneous porous media: challenges and approaches

CT Miller, G Christakos, PT Imhoff, JF McBride… - Advances in Water …, 1998 - Elsevier
We review the current status of modeling multiphase systems, including balance equation
formulation, constitutive relations for both pressure-saturation-conductivity and interphase …

The transport and fate of ethanol and BTEX in groundwater contaminated by gasohol

SE Powers, CS Hunt, SE Heermann… - Critical Reviews in …, 2001 - Taylor & Francis
Ethanol is used a component in all gasoline in Brazil, and its use could increase significantly
in the US to meet the requirements of the Clean Air Act Amendments. Recent problems with …

Interphase mass transfer between fluids in subsurface formations: A review

B Agaoglu, NK Copty, T Scheytt… - Advances in Water …, 2015 - Elsevier
This paper presents a review of the state-of-the-art on interphase mass transfer between
immiscible fluids in porous media with focus on the factors that have significant influence on …

Nonaqueous phase liquid dissolution in porous media: Current state of knowledge and research needs

C Khachikian, TC Harmon - Transport in Porous Media, 2000 - Springer
Our understanding of nonaqueous phase liquid (NAPL) dissolution in the subsurface
environment has been increasing rapidly over the past decade. This knowledge has …

NAPL dissolution in heterogeneous systems: an experimental investigation in a simple heterogeneous system

IM Nambi, SE Powers - Journal of Contaminant Hydrology, 2000 - Elsevier
Dissolution experiments were conducted in a two-dimensional cell with simple
heterogeneous packing consisting of well-defined coarse lenses contaminated by NAPL …

Solute transport modeled with Green's functions with application to persistent solute sources

FJ Leij, E Priesack, MG Schaap - Journal of Contaminant Hydrology, 2000 - Elsevier
Analytical models can be valuable tools to investigate solute transport in porous media. The
application of analytical solutions is limited by the perception that they are too cumbersome …

Influence of hydraulic property correlation on predicted dense nonaqueous phase liquid source zone architecture, mass recovery and contaminant flux

LD Lemke, LM Abriola, JR Lang - Water Resources Research, 2004 - Wiley Online Library
Organic liquid saturation distributions resulting from a simulated tetrachloroethene (PCE)
spill were generated with alternative models of spatially varying aquifer properties for a …

Three-dimensional analytical models for virus transport in saturated porous media

Y Sim, CV Chrysikopoulos - Transport in porous media, 1998 - Springer
Analytical models for virus transport in saturated, homogeneous porous media are
developed. The models account for three-dimensional dispersion in a uniform flow field, and …

Analytical modeling of nonaqueous phase liquid dissolution with Green's functions

FJ Leij, MT Van Genuchten - Transport in Porous Media, 2000 - Springer
Equilibrium and bicontinuum nonequilibrium formulations of the advection–dispersion
equation (ADE) have been widely used to describe subsurface solute transport. The Green's …