In situ remediation of subsurface contamination: opportunities and challenges for nanotechnology and advanced materials

T Zhang, GV Lowry, NL Capiro, J Chen… - Environmental …, 2019 - pubs.rsc.org
Complex subsurface contamination domains and limited efficacy of existing treatment
approaches pose significant challenges to site remediation and underscore the need for …

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 …

Mass transfer during surfactant-enhanced DNAPL remediation: Pore-scale experiments and new correlation

Z Wang, Z Yang, R Hu, YF Chen - Journal of Hydrology, 2023 - Elsevier
Surfactant-enhanced solubilization has been proven successful to remediate aquifers
contaminated with non-aqueous phase liquids (DNAPLs). Understanding mass transfer from …

Modeling upscaled mass discharge from complex DNAPL source zones using a Bayesian neural network: Prediction accuracy, uncertainty quantification and source …

X Kang, A Kokkinaki, X Shi, J Lee… - Water Resources …, 2024 - Wiley Online Library
The mass discharge emanating from dense non‐aqueous phase liquid (DNAPL) source
zones (SZs) is often used as a key metric for risk assessment. To predict the temporal …

Hydrogeophysical characterization of nonstationary DNAPL source zones by integrating a convolutional variational autoencoder and ensemble smoother

X Kang, A Kokkinaki, PK Kitanidis, X Shi… - Water Resources …, 2021 - Wiley Online Library
Detailed characterization of dense nonaqueous phase liquid (DNAPL) source zone
architecture (SZA) is essential for designing efficient remediation strategies. However, it is …

Integration of deep learning‐based inversion and upscaled mass‐transfer model for DNAPL mass‐discharge estimation and uncertainty assessment

X Kang, A Kokkinaki, X Shi, H Yoon… - Water Resources …, 2022 - Wiley Online Library
The challenges posed by high‐resolution characterization of dense nonaqueous phase
liquid (DNAPL) source zone architecture (SZA) have motivated the development of simpler …

Map** and monitoring of DNAPL source zones with combined direct current resistivity and induced polarization: a field‐scale numerical investigation

A Almpanis, J Gerhard, C Power - Water Resources Research, 2021 - Wiley Online Library
Direct current (DC) resistivity has been widely investigated for non‐invasive map** of
dense non‐aqueous phase liquids (DNAPLs); however, due to its difficulty in distinguishing …

Integrating deep learning-based data assimilation and hydrogeophysical data for improved monitoring of DNAPL source zones during remediation

X Kang, A Kokkinaki, C Power, PK Kitanidis, X Shi… - Journal of …, 2021 - Elsevier
Data assimilation techniques allow the integration of multi-source data with physical
modeling of dense nonaqueous phase liquid (DNAPL) source zones to monitor their …

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 …

Partition of a mixture of chlorinated organic compounds in real contaminated soils between soil and aqueous phase using surfactants: Influence of pH and surfactant …

R Garcia-Cervilla, A Santos, A Romero… - Journal of Environmental …, 2021 - Elsevier
The equilibrium between surfactant adsorption and contaminants desorption was studied.
Two soil samples from a polluted site with residues from lindane production, compounded of …