Determining air-water interfacial areas for the retention and transport of PFAS and other interfacially active solutes in unsaturated porous media

ML Brusseau - Science of The Total Environment, 2023 - Elsevier
The objective of this work was to determine the methods that produce the most
representative measurements and estimations of air-water interfacial area specifically for the …

Ideal versus nonideal transport of PFAS in unsaturated porous media

ML Brusseau, B Guo, D Huang, N Yan, Y Lyu - Water Research, 2021 - Elsevier
Per-and poly-fluoroalkyl substances (PFAS) adsorb at air-water interfaces during transport in
unsaturated porous media. This can cause surfactant-induced flow and enhanced retention …

Three-dimensional characterisation of pore networks and fluid flow in segregated heaps in the presence of crushed ore and agglomerates

L Wang, X Zhang, S Yin, X Zhang, P Liu, I Ilankoon - Hydrometallurgy, 2023 - Elsevier
Due to the differences in ore feeds and stacking procedures, segregated pore networks are
commonly observed in industrial heap leaching operations, which strongly affect the pore …

Reduced accessible air–water interfacial area accelerates PFAS leaching in heterogeneous vadose zones

J Zeng, B Guo - Geophysical Research Letters, 2023 - Wiley Online Library
Per‐and polyfluoroalkyl substances (PFAS) are surface‐active contaminants experiencing
strong retention in vadose zones due to adsorption at air–water and solid–water interfaces …

A screening model for quantifying PFAS leaching in the vadose zone and mass discharge to groundwater

B Guo, J Zeng, ML Brusseau, Y Zhang - Advances in Water Resources, 2022 - Elsevier
A growing body of site investigations have demonstrated that vadose zones serve as
significant long-term sources of PFAS to groundwater. Quantifying PFAS leaching in the …

An integrated analytical modeling framework for determining site-specific soil screening levels for PFAS

J Smith, ML Brusseau, B Guo - Water Research, 2024 - Elsevier
Soils at many contaminated sites have accumulated a significant amount of per-and
polyfluoroalkyl substances (PFAS) and may require remediation to mitigate leaching to …

Reactive fluid flow (RFF), its hydrodynamic modeling and process controlling in cleaner production of copper sulfides bioleaching

L Wang, L Cheng, X Zhang, S Yin, X Zhang, H Li… - Journal of Cleaner …, 2024 - Elsevier
As one of key cleaner production methods, heap bioleaching of copper relies on leaching
solution to extract valuable copper ions from agglomerations, crushed ores, waste rocks of …

Pore‐Scale Modeling of PFAS Transport in Water‐Unsaturated Porous Media: Air–Water Interfacial Adsorption and Mass‐Transfer Processes in Thin Water Films

S Chen, B Guo - Water Resources Research, 2023 - Wiley Online Library
Air–water interfacial adsorption complicates per‐and polyfluoroalkyl substance (PFAS)
transport in vadose zones. Air–water interfaces can arise from pendular rings between soil …

Air-water interfacial areas relevant for transport of per and poly-fluoroalkyl substances

ML Brusseau, B Guo - Water research, 2021 - Elsevier
Per and polyfluoroalkyl substances (PFAS) present in the soil pose a long-term threat to
groundwater. Robust characterization and modeling of PFAS retention and transport in …

Examining the robustness and concentration dependency of PFAS air-water and NAPL-water interfacial adsorption coefficients

ML Brusseau - Water research, 2021 - Elsevier
Determining robust values for the air-water or NAPL-water interfacial adsorption coefficient,
K IA, is key to characterizing and modeling PFAS transport and fate in several environmental …