Results 11 to 20 of about 3,062,144 (293)

Bilayer Heterogeneous Cation Exchange Membrane with Polyaniline Modified Homogeneous Layer: Preparation and Electrotransport Properties [PDF]

open access: yesMembranes, 2023
A bilayer membrane based on a heterogenous cation exchange membrane with a homogeneous cation exchange layer and a polyaniline on its surface is prepared.
Natalia Loza   +5 more
doaj   +3 more sources

Electromass Transfer in the System “Cation Exchange Membrane—Ammonium Nitrate Solution” [PDF]

open access: yesMembranes, 2022
The paper describes an experimental study and the mathematical simulation of the electromembrane transfer of cations of weak electrolytes (namely, ammonium ions), hindered by hydrolysis reactions taking place in the surface layers of the cation exchange ...
Olga Kozaderova   +2 more
doaj   +2 more sources

Permselectivity of Cation Exchange Membranes Modified by Polyaniline [PDF]

open access: yesMembranes, 2021
This work discusses the applicability of polyaniline-modified cation exchange membranes for the separation of monovalent/divalent cations by electrodialysis. A novel method of membrane modification directly in the electrodialysis unit is used to prepare permselective membranes.
Irina Falina   +4 more
openaire   +4 more sources

Fabrication and Performance Evaluation of a Cation Exchange Membrane Using Graphene Oxide/Polyethersulfone Composite Nanofibers [PDF]

open access: yesMembranes, 2023
Ion exchange membranes, especially cation exchange membranes (CEMs), are an important component in membrane-based energy generation and storage because of their ability to transport cations via the electrochemical potential gradient while preventing ...
Suhun Kim   +8 more
doaj   +2 more sources

Custom-Made Ion Exchange Membranes at Laboratory Scale for Reverse Electrodialysis

open access: yesMembranes, 2019
Salinity gradient power is a renewable, non-intermittent, and neutral carbon energy source. Reverse electrodialysis is one of the most efficient and mature techniques that can harvest this energy from natural estuaries produced by the mixture of seawater
Liliana Villafaña-López   +4 more
doaj   +2 more sources

Comparative Study of Different Ion-Exchange Membrane Types in Diffusion Dialysis for the Separation of Sulfuric Acid and Nickel Sulfate

open access: yesMembranes, 2023
The possibility of using various types of ion-exchange membranes in diffusion dialysis for the separation of sulfuric acid and nickel sulfate has been evaluated.
Sergey Loza   +4 more
doaj   +2 more sources

Fabrication of pore-filling cation-exchange membrane from waste polystyrene and Spunbond Meltblown Spunbond (SMS) non-woven polypropylene fabric as the substrate [PDF]

open access: yesScientific Reports
Commercial ion-exchange membranes are typically thick, possessing limited mechanical strength, and have relatively high fabrication costs. In this study, we utilize a three-layer polypropylene fabric known as Spunbond Meltblown Spunbond (SMS) as the ...
Hadi Asgari   +3 more
doaj   +2 more sources

Oxidative stability as a guiding principle for durable ionomer cations in pure-water electrolysis [PDF]

open access: yesNature Communications
Cation degradation in ionomers critically limits the durability of pure-water-fed anion exchange membrane water electrolysis, particularly at the anode where high overpotentials and near-neutral pH induce harsh oxidative stress.
Yiqi Jin   +10 more
doaj   +2 more sources

MOF-Derived Nanoporous Carbon Incorporated in the Cation Exchange Membrane for Gradient Power Generation. [PDF]

open access: yesMembranes (Basel), 2022
Ion exchange membranes (IEMs), as a part of the reverse electrodialysis (RED) system, play an important role in salinity gradient power (SGP) generation. Structure optimization of IEMs is critical to increase the power production by RED.
Sun X, Liu Y, Xu R, Chen Y.
europepmc   +2 more sources

Gas and Steam Permeation Properties of Cation-Exchanged ZSM-5 Membrane

open access: yesMembranes
NaZSM-5 powder and membranes were hydrothermally prepared. Their (1) steam (H2O) adsorption properties and (2) the permeation and separation of gas and H2O were evaluated before and after the cation exchange of Na+ to K+ or Cs+.
Yuichiro Hirota   +6 more
doaj   +2 more sources

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