Salt partitioning and transport in polyamide reverse osmosis membranes at ultrahigh pressures
Pataroque K, Wu J, He J, Fan H, Mahajan S, Guo K, Le J, Au K, Wang L, Li Y, Hoek E, Elimelech M. Salt partitioning and transport in polyamide reverse osmosis membranes at ultrahigh pressures. Journal Of Membrane Science Letters 2024, 4: 100079. DOI: 10.1016/j.memlet.2024.100079.Peer-Reviewed Original ResearchSalt permeanceSalt partition coefficientReverse osmosisPolyamide reverse osmosis membranesAffecting membrane performancePolyamide layer thicknessFeed salt concentrationReverse osmosis membranesQuartz crystal microbalanceDead-end cellStructure-performance relationshipRO membranesMembrane performancePolyamide layerOsmosis membranesWater transport mechanismFeed salinityOsmotic deswellingFrictional interactionPore sizeFeed concentrationNon-equilibrium molecular dynamics simulationsLayer thicknessPermeanceCrystal microbalanceThe physical basis for solvent flow in organic solvent nanofiltration
Fan H, He J, Heiranian M, Pan W, Li Y, Elimelech M. The physical basis for solvent flow in organic solvent nanofiltration. Science Advances 2024, 10: eado4332. PMID: 38875330, PMCID: PMC11177934, DOI: 10.1126/sciadv.ado4332.Peer-Reviewed Original ResearchOrganic solvent nanofiltrationOrganic solvent nanofiltration membranesMembrane pore structureSolvent nanofiltrationNonequilibrium molecular dynamics simulationsMolecular dynamics simulationsPore structureSolvent transport mechanismsSolvent moleculesSolvent flowSolvent permeanceSolvent affinityOSN membranesFlory-Rehner theoryDynamics simulationsSolvent transportMembrane technologyChemical separationNanofiltrationPressure gradientPermeanceStructureTransport mechanismMolecules