Mechanisms and models for water transport in reverse osmosis membranes: history, critical assessment, and recent developments

M Heiranian, H Fan, L Wang, X Lu… - Chemical Society …, 2023 - pubs.rsc.org
Water scarcity is one of the greatest societal challenges facing humanity. Reverse osmosis
(RO) desalination, a widely used membrane-based technology, has proven to be effective to …

[HTML][HTML] Tutorial review of reverse osmosis and electrodialysis

PM Biesheuvel, S Porada, M Elimelech… - Journal of Membrane …, 2022 - Elsevier
Reverse osmosis (RO) and electrodialysis (ED) are the two most important membrane
technologies for water desalination and treatment. Their desalination and transport …

Water transport in reverse osmosis membranes is governed by pore flow, not a solution-diffusion mechanism

L Wang, J He, M Heiranian, H Fan, L Song, Y Li… - Science …, 2023 - science.org
We performed nonequilibrium molecular dynamics (NEMD) simulations and solvent
permeation experiments to unravel the mechanism of water transport in reverse osmosis …

Metal-organic framework enables ultraselective polyamide membrane for desalination and water reuse

Y Wen, R Dai, X Li, X Zhang, X Cao, Z Wu, S Lin… - Science …, 2022 - science.org
While reverse osmosis (RO) is the leading technology to address the global challenge of
water scarcity through desalination and potable reuse of wastewater, current RO …

[HTML][HTML] Modeling micropollutant removal by nanofiltration and reverse osmosis membranes: considerations and challenges

SC Osorio, PM Biesheuvel, E Spruijt, JE Dykstra… - Water Research, 2022 - Elsevier
Organic micropollutants (OMPs) in drinking water constitute a potential risk to human health;
therefore, effective removal of these pollutants is required. Nanofiltration (NF) and reverse …

Demystifying the role of surfactant in tailoring polyamide morphology for enhanced reverse osmosis performance: Mechanistic insights and environmental implications

Q Gan, LE Peng, Z Yang, PF Sun, L Wang… - Environmental …, 2023 - ACS Publications
Surfactant-assisted interfacial polymerization (IP) has shown strong potential to improve the
separation performance of thin film composite polyamide membranes. A common belief is …

Molecular simulations to elucidate transport phenomena in polymeric membranes

M Heiranian, RM DuChanois, CL Ritt… - Environmental …, 2022 - ACS Publications
Despite decades of dominance in separation technology, progress in the design and
development of high-performance polymer-based membranes has been incremental …

Modeling water transport in interlayered thin-film nanocomposite membranes: gutter effect vs funnel effect

F Wang, Z Yang, CY Tang - ACS ES&T Engineering, 2022 - ACS Publications
Interlayered thin-film nanocomposite (TFNi) membranes have experimentally demonstrated
a great potential for achieving major gains in water permeance over conventional thin-film …

Regulation of molecular transport in polymer membranes with voltage-controlled pore size at the angstrom scale

Y Zhu, L Gui, R Wang, Y Wang, W Fang… - Nature …, 2023 - nature.com
Polymer membranes have been used extensively for Angstrom-scale separation of solutes
and molecules. However, the pore size of most polymer membranes has been considered …

Dielectric exclusion, an éminence grise

V Freger - Advances in Colloid and Interface Science, 2023 - Elsevier
Dielectric exclusion has long been well-established as the key mechanism in membrane
desalination, critical for delivering the required levels of salt rejection, also playing important …