The potential threat of mine drainage to groundwater resources

S Tomiyama, T Igarashi - Current Opinion in Environmental Science & …, 2022 - Elsevier
Groundwater is an extremely valuable freshwater resource for drinking and agricultural use,
and its value is increasing with global population growth. One of the potential threats to its …

A new operator-splitting finite element scheme for reactive transport modeling in saturated porous media

R Lu, T Nagel, J Poonoosamy, D Naumov… - Computers & …, 2022 - Elsevier
The operator splitting approach has been widely accepted since it was introduced as a
means to solve reactive transport problems. The conventional operator-splitting finite …

Characterization of particle size segregation and heterogeneity along the slopes of a waste rock pile using image analysis

P Qiu, T Pabst - Environmental Earth Sciences, 2023 - Springer
Large amounts of waste rock are produced during mining operations and often disposed of
in large piles. Particle size segregation usually occurs during waste rock disposal, which can …

Long-term evolution of uranium mobility within sulfated mill tailings in arid regions: a reactive transport study

N Seigneur, L De Windt, A Déjeant, V Lagneau… - Minerals, 2021 - mdpi.com
Management of mill tailings is an important part of mining operations that aims at preventing
environmental dispersion of contaminants of concern. To this end, geochemical models and …

Hydrogeochemical response of a variably saturated sulfide‐bearing mine waste‐rock pile to precipitation: a field‐scale study in the discontinuous permafrost region of …

Z Bao, J Bain, SP Holland, D Wilson… - Water Resources …, 2022 - Wiley Online Library
Globally, drainage from sulfide‐bearing waste‐rock piles, containing high concentrations of
toxic metal (loid) s, can severely degrade surrounding ecosystems. Waste‐rock piles are …

Scale dependence of effective geochemical rates in weathering mine waste rock

B Vriens, N Seigneur, KU Mayer, RD Beckie - Journal of Contaminant …, 2020 - Elsevier
Hydrogeochemical models for the prediction of drainage quality from full-scale mine waste-
rock piles are often parameterized using data from small-scale laboratory or field …

[HTML][HTML] Challenges in predicting the reactivity of mine waste rocks based on kinetic testing: Humidity cell tests and reactive transport modeling

M Pieretti, T Karlsson, S Arvilommi… - Journal of Geochemical …, 2022 - Elsevier
Humidity cell test represents one of the most popular geochemical characterization methods
for predicting the reactivity and for estimating the leachate quality of mining waste materials …

[HTML][HTML] Reactive transport modelling as a toolbox to compare remediation strategies for aquifers impacted by uranium in situ recovery

N Seigneur, N Grozeva, B Purevsan… - Journal of Contaminant …, 2024 - Elsevier
More than 60% of worldwide uranium production is based on the In Situ Recovery mining
technique. This exploitation method directly falls within the scope of the applications of …

A compositional global implicit approach for modeling coupled multicomponent reactive transport

N Seigneur, A Socié, KU Mayer - Water Resources Research, 2023 - Wiley Online Library
Reactive transport modeling has become widely used to help improve understanding of
hydrogeochemical processes from the pore scale to the watershed scale. In recent years …

[HTML][HTML] Compositional heterogeneity of secondary minerals in mine waste rock: Origins and implications for water quality

N Saberi, B Vriens - Journal of Hazardous Materials, 2025 - Elsevier
Secondary minerals in mine waste materials impose strong controls on water quality by
scavenging solutes of concern. This study investigates the mineralogical and compositional …