Numerical simulation of fluid flow and desalination effects in ceramic membrane channels

Tang, Tianqi; Fu, Wanyi; Zhang, Xihui

doi:10.1016/j.desal.2021.115304

Cited by 7 publications

(1 citation statement)

References 27 publications

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“…Ward et al [39] applied a line-and-groove nanopattern to a nanofiltration membrane to minimize ICP effects towards achieving highly efficient desalination. Tang and Zhang [40] established a hydrodynamic model of a ceramic membrane channel to study the influencing factors of fluid flow, ICP and desalination efficiency in membrane nanochannels. Park et al [41] designed a setup allowing for the periodic formation of a preconcentrated biomolecule plug by activating ICP over predetermined on/off intervals.…”

Section: Introductionmentioning

confidence: 99%

Modulating selective ionic enrichment and depletion zones in straight nanochannels via the interplay of surface charge modulation and electric field mediated fluid‐thickening

Bhattacharya,

Chakraborty

2023

Electrophoresis

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We report the possibilities of achieving highly controlled segregation of ion‐enriched and ion‐depleted regions in straight nanochannels. This is achieved via harnessing the interplay of an axial gradient of the induced transverse electric field on account of electrical double layer phenomenon and the localized thickening of the fluid because of intensified electric fields due to the large spatial gradients of the electrical potential in extreme confinements. By considering alternate surface patches of different charge densities over pre‐designed axial spans, we illustrate how these effects can be exploited to realize selectively ion‐enriched and ion‐depleted zones. Physically, this is attributed to setting up of an axial concentration gradient that delves on the ionic advection due to the combined effect of an externally applied electric field and induced back‐pressure gradient along the channel axis and electro‐migration due to the combinatorial influences of the applied and the induced electrostatic fields. With an explicit handle on the pertinent parameters, our results offer insights on the possible means of imposing delicate controls on the solute‐enrichment and depletion phenomena, a paradigm that remained unexplored thus far.

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Section: Introductionmentioning

confidence: 99%

Modulating selective ionic enrichment and depletion zones in straight nanochannels via the interplay of surface charge modulation and electric field mediated fluid‐thickening

Bhattacharya,

Chakraborty

2023

Electrophoresis

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Highly efficient decomplexation of chelated nickel and copper effluent through CuO–CeO2–Co3O4 nanocatalyst loaded on ceramic membrane

Liang

et al. 2023

Chemosphere

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Performance analyses on a concentrated photovoltaics driven direct contact membrane distillation coupled system

Lai

Zhang

2022

Desalination

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Numerical simulation of fluid flow and desalination effects in ceramic membrane channels

Cited by 7 publications

References 27 publications

Modulating selective ionic enrichment and depletion zones in straight nanochannels via the interplay of surface charge modulation and electric field mediated fluid‐thickening

Modulating selective ionic enrichment and depletion zones in straight nanochannels via the interplay of surface charge modulation and electric field mediated fluid‐thickening

Highly efficient decomplexation of chelated nickel and copper effluent through CuO–CeO2–Co3O4 nanocatalyst loaded on ceramic membrane

Performance analyses on a concentrated photovoltaics driven direct contact membrane distillation coupled system

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