Results 31 to 40 of about 406,670 (313)

Nanofiber membranes by multi-jet electrospinning arranged as arc-array with sheath gas for electrodialysis applications

open access: yesMaterials & Design, 2020
Multi-jet electrospinning arranged in an arc array with sheath gas has been developed for the high-efficiency production of nanofiber membranes. The arc array constrains the electric field interferences among multiple nozzles and the sheath gas in ...
Gaofeng Zheng   +6 more
doaj   +1 more source

Effect of reduced graphene oxide (rGO) in chitosan/Pahae natural zeolite-based polymer electrolyte membranes for direct methanol fuel cell (DMFC) applications

open access: yesMaterials Science for Energy Technologies, 2023
The use of electrolyte membranes for fuel cell applications has grown rapidly, and one of the materials often developed is chitosan. In this study, polymer electrolyte membranes were successfully produced using chitosan and Pahae natural zeolite with the
Yuan Alfinsyah Sihombing   +3 more
doaj   +1 more source

An ISFET-based anion sensor for the potentiometric detection of organic acids in liquid chromatography [PDF]

open access: yes, 2000
An ion-selective field effect transistor (ISFET) was applied as a potentiometric detector in liquid chromatography (LC) for the determination of organic acids.
Berg, A. van den   +6 more
core   +2 more sources

Effect of the resin content in cation-exchange membranes on development of electroconvection

open access: yesElectrochemistry Communications, 2020
Comparative analysis of the effect of ion-exchanger content in heterogeneous sulfonated ion-exchange membranes Ralex CM Pes produced by MEGA a.s. (Czech Republic) on their microstructure, current-voltage characteristics and intensity of electroconvective
E.M. Akberova, V.I. Vasil'eva
doaj   +1 more source

Heterogeneous Anion-Exchange Membranes with Enhanced Ion Conductivity for Continuous Electrodeionization

open access: yesMembranes, 2023
In this study, the optimal fabrication parameters of a heterogeneous anion-exchange membrane (AEM) using an ionomer binder are investigated to improve the performance of continuous electrodeionization (CEDI) for producing ultrapure water.
Ji-Min Lee, Moon-Sung Kang
doaj   +1 more source

Mathematical modelling of vortex structures in the channel of an electrodialysis cell with ion-exchange membranes of different surface morphology

open access: yesКонденсированные среды и межфазные границы, 2022
One of the ways to obtain membranes with electroconvection as the dominant mechanism of ion transport is to optimise the surface of known brands of commercial heterogeneous membranes by changing their manufacturing technology.
Konstantin A. Lebedev   +3 more
doaj   +1 more source

Cation Exchange Nanocomposite Membrane Containing Mg(OH)2 Nanoparticles: Characterization and Transport Properties [PDF]

open access: yesJournal of Nanostructures, 2018
In this study, ion exchange nanocomposite membranes was prepared by addition of Mg(OH)2 nanoparticles to a blend containing sulfonated polyphenylene oxide and sulfonated polyvinylchloride via a simple casting method.
Alireza Khodabakhshi   +2 more
doaj   +1 more source

Integration of monopolar and bipolar electrodialysis for valorization of seawater reverse osmosis desalination brines: Production of strong acid and base [PDF]

open access: yes, 2016
Water scarcity in the Mediterranean basin has been solved by using seawater desalination reverse osmosis technology (SWD-RO). This technology produces brine which is discharged back into the sea resulting in an environmental impact on marine ecosystems ...
Casas, Sandra   +4 more
core   +2 more sources

Studies on Anion Exchange Membrane and Interface Properties by Electrochemical Impedance Spectroscopy: The Role of pH

open access: yesMembranes, 2021
Ion-exchange membranes (IEMs) represent a key component in various electrochemical energy conversion and storage systems. In this study, electrochemical impedance spectroscopy (EIS) was used to investigate the effects of structural changes of anion ...
Wenjuan Zhang   +9 more
doaj   +1 more source

Improved ion exchange membrane [PDF]

open access: yes, 1975
Membrane, made from commercially-available hollow fibers, is used in reverse osmosis, or dialysis. Fiber has skin layers which pass only small molecules. Macromolecules cannot penetrate skin.
Klein, E., Rembaum, A., Yen, S. P. S.
core   +1 more source

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