نتایج جستجو برای: permselectivity

تعداد نتایج: 329  

Journal: :Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association 1996
T Henle R Deppisch E Ritz

Conclusion It would appear then, that both GBM and the renal parenchyma as a whole contain diverse charged components. Abnormalities of GBM anionic charge expression are more complex than at first conceived, reflecting often subtle alterations in membrane matrix charged structures which may have a minimal or profound, direct or indirect influence on membrane permeability. The original concept o...

Journal: :Journal of Membrane Science 2022

Four commercially available, cost-effective ion exchange membranes (two cationic and two anionic membranes, CEMs AEMs, respectively) were modified to mitigate crossover phenomena of the redox active species typically observed in Aqueous Organic Redox Flow Batteries (AORFB) systems. The modification strategy was carried out using a pyrrole(Py)-based polymer which successfully reduced permeation ...

The transport properties of various anion and cation exchange membranes were studied in different electrolyte solutions using chronopotentiometry technique to get insight about the influence of the counter ion on the transport properties of the membranes. The investigated samples include heterogeneous ion exchange membranes varying in the functionality of fixed charged gro...

Journal: :Heliyon 2023

This study provides techno-economical insights for acid regeneration and metal recovery from spent acidic wastewater by a diffusion dialysis plate-and-frame module using Quaternized Polyepichlorohydrin – Polyacrylonitrile (QPECH-PAN) membranes. Poly-Epichlorohydrin (QPECH) membranes were synthesized 1,4-diazobicyclo[2.2.2]octane (DABCO) blended with polyacrylonitrile (PAN). Said analyzed in ter...

Journal: :Energy Conversion and Management 2021

• Novel reverse electrodialysis process model including magnesium and sulfate. Uphill transport, increased membrane resistance, permselectivity loss included. Model validation with experimental data literature (up to 50 mol. %). reproduces RED in single-stage, multi-stage, segmented electrode. Reverse (RED) is an electro-membrane harvest renewable energy from salinity gradients. models have bee...

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