Quantitative evaluation of flushing and biodegradation for enhancing in situ dissolution of nonaqueous-phase liquids

EA Seagren, BE Rittmann, AJ Valocchi - Journal of Contaminant Hydrology, 1993 - Elsevier
Flushing and in situ biodegradation can enhance the dissolution rate for NAPL
contamination by decreasing the solute concentration, which increases the dissolution …

Effects of flow bypassing and nonuniform NAPL distribution on the mass transfer characteristics of NAPL dissolution

TS Soerens, DA Sabatini… - Water Resources …, 1998 - Wiley Online Library
Ground water concentrations of nonaqueous phase liquid (NAPL) are usually less than their
aqueous solubility; this can be attributed to irregular NAPL distribution, nonuniform flow …

Influence of mass transfer characteristics for DNAPL source depletion and contaminant flux in a highly characterized glaciofluvial aquifer

R Maji, EA Sudicky - Journal of contaminant hydrology, 2008 - Elsevier
The transfer of contaminant mass between the nonaqueous-and aqueous-phases is a
process of central importance for the remediation of sites contaminated by dense …

Non-aqueous-phase fluids in heterogeneous aquifers—experimental study

TH Illangasekare, EJ Armbruster III… - Journal of Environmental …, 1995 - ascelibrary.org
Understanding of flow and entrapment of non-aqueous-phase liquids (NAPLs) in aquifers
contaminated with organic chemicals is important in the effective design of recovery and …

Reductions in contaminant mass discharge following partial mass removal from DNAPL source zones

EJ Suchomel, KD Pennell - Environmental science & technology, 2006 - ACS Publications
Although in situ remediation technologies have been used to aggressively treat dense
nonaqueous phase liquid (DNAPL) source zones, complete contaminant removal or …

Phenomenological models for transient NAPL-water mass-transfer processes

SE Powers, LM Abriola, JS Dunkin… - Journal of Contaminant …, 1994 - Elsevier
A phenomenological model for transient NAPL dissolution, referred to as the “sphere”
model, is developed. In this model, the mass-transfer coefficient and specific surface areas …

A method for assessing residual NAPL based on organic chemical concentrations in soil samples

S Feenstra, DM Mackay… - Groundwater Monitoring & …, 1991 - Wiley Online Library
Ground water contamination by non‐aqueous phase liquid (NAPL) chemicals is a serious
concern at many industrial facilities and waste disposal sites. NAPL in the form of immobile …

Two-dimensional laboratory simulation of LNAPL infiltration and redistribution in the vadose zone

C Kechavarzi, K Soga, TH Illangasekare - Journal of Contaminant …, 2005 - Elsevier
A quantitative two-dimensional laboratory experiment was conducted to investigate the
immiscible flow of a light non-aqueous phase liquid (LNAPL) in the vadose zone. An image …

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 …

Field‐scale evaluation of in situ cosolvent flushing for enhanced aquifer remediation

PSC Rao, MD Annable, RK Sillan, D Dai… - Water resources …, 1997 - Wiley Online Library
A comprehensive, field‐scale evaluation of in situ cosolvent flushing for enhanced
remediation of nonaqueous phase liquid (NAPL)‐contaminated aquifers was performed in a …