Towards understanding factors affecting arsenic, chromium, and vanadium mobility in the subsurface

HR Peel, FO Balogun, CA Bowers, CT Miller… - Water, 2022 - mdpi.com
Arsenic (As), chromium (Cr), and vanadium (V) are naturally occurring, redox-active
elements that can become human health hazards when they are released from aquifer …

Measurements and models of reactive transport in geological media

B Berkowitz, I Dror, SK Hansen… - Reviews of …, 2016 - Wiley Online Library
Reactive chemical transport plays a key role in geological media across scales, from pore
scale to aquifer scale. Systems can be altered by changes in solution chemistry and a wide …

An upscaled rate law for mineral dissolution in heterogeneous media: The role of time and length scales

H Wen, L Li - Geochimica et Cosmochimica Acta, 2018 - Elsevier
An upscaled rate law is developed for mineral dissolution in heterogeneous media under
variable residence time (flow velocity) and length scale conditions, expanding the previous …

The impact of pore structure heterogeneity, transport, and reaction conditions on fluid–fluid reaction rate studied on images of pore space

Z Alhashmi, MJ Blunt, B Bijeljic - Transport in Porous Media, 2016 - Springer
We perform direct numerical simulation using a pore-scale fluid–fluid reactive transport
model (Alhashmi et al. in J Contam Hydrol 179: 171–181, 2015. doi: 10.1016/j. jconhyd …

Analysing the limitations of the dual-porosity response during well tests in naturally fractured reservoirs

DO Egya, S Geiger, PWM Corbett, R March… - Petroleum …, 2019 - earthdoc.org
Geological reservoirs can be extensively fractured but the well-test signatures observed in
the wells may not show a pressure transient response that is representative of naturally …

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 …

Time‐dependent velocity‐field controls on anomalous chemical transport in porous media

A Nissan, I Dror, B Berkowitz - Water Resources Research, 2017 - Wiley Online Library
Temporal variations in the subsurface velocity field are often (if not always) present in the
real world to at least some degree. However, an accounting of their effects on chemical …

Temporal evolution of erosion in pore networks: from homogenization to instability

A Zareei, D Pan, A Amir - Physical review letters, 2022 - APS
We study the dynamics of flow networks in porous media using two and three dimensional
pore-network models. We consider a class of erosion dynamics for a single phase flow with …

Upscaling mixing in highly heterogeneous porous media via a spatial Markov model

EE Wright, NL Sund, DH Richter, GM Porta, D Bolster - Water, 2018 - mdpi.com
In this work, we develop a novel Lagrangian model able to predict solute mixing in
heterogeneous porous media. The Spatial Markov model has previously been used to …

Implications of uncertain bioreactive parameters on a complex reaction network of atrazine biodegradation in soil

G Porta, D la Cecilia, A Guadagnini, F Maggi - Advances in water resources, 2018 - Elsevier
We study propagation of uncertainty related to bioreactive parameters through the
biodegradation reaction network of atrazine (ATZ) and its metabolites in soils. The work is …