A new quasi-3-D model with a dual iterative coupling scheme for simulating unsaturated-saturated water flow and solute transport at a regional scale

Mao, Wei; Ye, Ming; Zhang, Xiaoping; Wu, Jingwei; Yang, Jinzhong

doi:10.1016/j.jhydrol.2021.126780

Cited by 8 publications

(2 citation statements)

References 43 publications

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“…However, this study focused mainly on the problem of flow and transport of solutes through unsaturated porous media. In this sense, 1D modeling may be adequate in the sense that it overestimates the impact (Mao et al, 2021).…”

Section: Solute Transport In Unsaturated Mediamentioning

confidence: 99%

Appraisal of Groundwater Contamination from Surface Spills of Fluids Associated with Hydraulic Fracturing Operations

Almaliki¹,

Bashir

Borrajo³

2021

SSRN Journal

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Section: Solute Transport In Unsaturated Mediamentioning

confidence: 99%

Appraisal of Groundwater Contamination from Surface Spills of Fluids Associated with Hydraulic Fracturing Operations

Almaliki¹,

Bashir

Borrajo³

2021

SSRN Journal

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“…However, in the TSM, the adsorption reaction was divided into transient adsorption and equilibrium adsorption, and the adsorption behavior followed the multiply effect in adsorption kinetics and isotherms [47]. Meanwhile, to consider the scale of the experiment and hydrological conditions of the weathering crust soil, modular 3-dimensional transport models were also conceived [48].…”

Section: Introductionmentioning

confidence: 99%

Transport Model of Rare Earth Elements in Weathering Crusts during Electrokinetic Mining

Wang,

Ling,

Liang

et al. 2024

Minerals

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Electrokinetic mining (EKM) is a novel method for rare earth element (REE) mining that can achieve green and efficient recovery of REEs. However, as yet, there is no accurate model for describing the electrokinetic transport of REEs in weathering crusts, and this hinders the wider application of EKM. The conventional model fails to capture the microscale transport physics occurring in the nanochannels that exist ubiquitously in weathering crusts. Consequently, the existing models cannot distinguish the mobilities of different REEs. Here, we report a new model for a more faithful description of the electrokinetic transport of REEs in weathering crusts that considers the ionic size, which has previously been neglected. We reveal that the electrokinetic transport of heavy REEs (HREEs) is faster than that of light REEs (LREEs) in weathering crusts, which is contrary to the predictions of conventional models. Our model was validated experimentally by measurements of the electrokinetic transport of two LREEs (La and Sm) and an HREE (Er) in weathering crusts. The speed of electrokinetic transport follows the order Er > Sm > La. Our findings suggest that the ionic size is a non-negligible factor affecting the electrokinetic transport of REEs in weathering crusts containing nanochannels. This work offers a constitutive model to describe the electrokinetic transport of REEs in weathering crusts, which promotes both theoretical developments and practical applications of EKM.

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Sensitivity analysis of factors influencing pollutant removal from shallow groundwater by the PRB method based on numerical simulation

Zhang²,

Liu³

et al. 2022

Environ Sci Pollut Res

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A new quasi-3-D model with a dual iterative coupling scheme for simulating unsaturated-saturated water flow and solute transport at a regional scale

Cited by 8 publications

References 43 publications

Appraisal of Groundwater Contamination from Surface Spills of Fluids Associated with Hydraulic Fracturing Operations

Appraisal of Groundwater Contamination from Surface Spills of Fluids Associated with Hydraulic Fracturing Operations

Transport Model of Rare Earth Elements in Weathering Crusts during Electrokinetic Mining

Sensitivity analysis of factors influencing pollutant removal from shallow groundwater by the PRB method based on numerical simulation

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