Enhanced mass transfer of residual NAPL by convection in stagnant zone

Z Wang, P Yang, H Guo, Y Wang - Journal of Hydrology, 2023 - Elsevier
Cosolvent flushing is a promising method to improve NAPLs (non-aqueous phase liquids)
removal. Nevertheless, the removal performance is undermined by the tailing phenomenon …

[HTML][HTML] Effects of discharge concentration and convective boundary conditions on unsteady hybrid nanofluid flow in a porous medium

Y Ouyang, MFM Basir, K Naganthran, I Pop - Case Studies in Thermal …, 2024 - Elsevier
This study explores using hybrid nanofluids to improve water quality by enhancing heat
transfer and substance decomposition. Nanofluids effectively remove pollutants, optimise …

Experimental and modeling insights into mixing-limited reactive transport in heterogeneous porous media: Role of stagnant zones

M Yin, M Lancia, Y Zhang, W Qiu, C Zheng - Water Research, 2024 - Elsevier
The understanding of mixing-controlled reactive dynamics in heterogeneous porous media
remains limited, presenting significant challenges for modeling subsurface contaminant …

Detection of Mobile and Immobile Solute Transport and Their Residence Time in Saturated Low and High Permeability Soil Layers

M Zaheer, EU Haq, N Huang, AA Konaté… - Water, Air, & Soil …, 2024 - Springer
This study explains the importance of layered soil, the solute storage regions, and their
residence time for groundwater remedy. A one-dimensional layered soil column experiment …

Reservoir characterization by push-pull tests employing kinetic interface sensitive tracers-a pore-scale study for understanding large-scale processes

H Gao, AB Tatomir, NK Karadimitriou, H Steeb… - Advances in Water …, 2023 - Elsevier
The kinetic interface-sensitive (KIS) tracer experiment is a newly developed method to
quantify the fluid-fluid interfacial area (FIFA) during drainage processes. The concentration …

Aerobic oxidation of hydroxymethylfurfural using a homogeneous TEMPO/TBN catalytic system in 3D-printed milli-scale porous reactors

D Koufou, J Smets, R Ameloot, S Kuhn - Journal of Flow Chemistry, 2023 - Springer
Selective oxidation of hydroxymethylfurfural to diformylfuran was performed in 3D-printed
milli-scale porous reactors using pure oxygen in mild operating conditions (T= 60° C, P= 1 …

Pore-scale study of the effects of grain size on the capillary-associated interfacial area during primary drainage

H Gao, H Abdullah, AB Tatomir, NK Karadimitriou… - Journal of …, 2024 - Elsevier
This study investigates the capillary-associated interfacial area during primary drainage in
unconsolidated porous media for different mean grain diameters, employing pore-scale …

Lab Investigation Using a Box Model and Image Analysis of a Contaminant Back-Diffusion Process from Low-Permeability Layers

P Viotti, A Luciano, G Mancini, F Tatti - Sustainability, 2023 - mdpi.com
Contaminants stored in low-permeability soils can continue to threaten the adjacent
groundwater system even after the aquifer is considered remediated. The redistribution of …

[HTML][HTML] Retention of Engineered Nanoparticles in Drinking Water Treatment Processes: Laboratory and Pilot-Scale Experiments

N Konradt, L Schneider, S Bianga, D Schroden… - Applied Nano, 2024 - mdpi.com
While microparticles can be removed by a filtration step at a drinking water treatment plant
(DWTP), engineered nanoparticles (ENPs), which are widely used in industry, commerce …

Spatial thinking skills used by hydrogeology practitioners and students while completing a hydrogeology task

PM McNeal, HL Petcovic, J Moore, DM Reeves… - Hydrogeology …, 2024 - Springer
A typical classroom exercise in hydrogeology is to develop a conceptual model of a
contaminated site, identify groundwater flow direction (s), and predict the location and mass …