Results 21 to 30 of about 88,777 (255)

Fluorine-Free Ion Exchange Membranes for (Photo)electrochemical Applications [PDF]

open access: yesACS Polymers Au
Dzenna Zukova   +5 more
doaj   +2 more sources

Polysulfone-based Anion Exchange Membranes for Potential Application in Solid Alkaline Fuel Cells [PDF]

open access: yesJournal of Renewable Energy and Environment, 2015
In present research work, anion exchange membranes based on quaternized polysulfone with ammonium cation moieties (QAPSF) were prepared by chloromethylation, amination and alkalization.
Mona Iravaninia, Sousan Rowshanzamir
doaj   +1 more source

Measurement of ion transport properties in ion exchange membranes for photoelectrochemical water splitting

open access: yesFrontiers in Energy Research, 2022
Photoelectrochemical (PEC) water-splitting systems have the unique ability to produce renewable hydrogen directly from sunlight, independent of the electrical grid.
Éowyn Lucas   +4 more
doaj   +1 more source

Electrodialytic Desalination of Tobacco Sheet Extract: Membrane Fouling Mechanism and Mitigation Strategies

open access: yesMembranes, 2020
In the papermaking industry (reconstituted tobacco), a large number of tobacco stems, dust, and fines are discharged in the wastewater. This high salinity wastewater rich in ionic constituents and nicotine is difficult to be degraded by conventional ...
Shaolin Ge   +7 more
doaj   +1 more source

Gas Permeability Test Protocol for Ion-Exchange Membranes

open access: yesFrontiers in Energy Research, 2022
The membrane-based electrolysis of water is a growing topic of interest due to the advantages of employing membranes in hydrogen production efficiency and system safety over the traditional alkaline water electrolysis. Ion-exchange membranes with low gas
Eun Joo Park   +2 more
doaj   +1 more source

Mathematical modelling of space charge breakdown in membrane systems taking into account the non-catalytic dissociation/ recombination reaction of water molecules [PDF]

open access: yesE3S Web of Conferences, 2020
In electromembrane systems, a theoretical study of salt ion transfer usually uses mathematical models of salt ion transfer in the depleted diffusion layer of ion-exchange membranes.
Gudza V   +3 more
doaj   +1 more source

Scalable and highly selective graphene-based ion-exchange membranes with tunable permselectivity

open access: yesnpj 2D Materials and Applications, 2023
Graphene oxide (GO) membranes have been proved to be ion-selective thanks to their oxidized functional groups, which are naturally present on its surface. This ion selectivity, together with good mechanical strength, low cost, and simple synthesis, makes
Anna Aixalà-Perelló   +6 more
doaj   +1 more source

Comparison of the property of homogeneous and heterogeneous ion exchange membranes during electrodialysis process

open access: yesAin Shams Engineering Journal, 2021
Recently, electrodialysis technology has received widespread attention in the fields of water resource utilization. The core of the electrodialysis technology is the structure and performance of the ion exchange membrane.
Shaoxiang Lee   +8 more
doaj   +1 more source

Functionalized nonwoven Nylon fabrics for cadmium ion exchange applications

open access: yesEngineering and Applied Science Research, 2020
Water pollution is a big issue of our world. This research aims to study the possibility of using carboxylate functionalized synthetic nonwoven fabrics for removing heavy metals from contaminated water.
Wichuda Chanprapanon, Nithinart Chitpong
doaj   +1 more source

Nitrate-Selective Anion Exchange Membranes Prepared using Discarded Reverse Osmosis Membranes as Support

open access: yesMembranes, 2020
The present work shows a methodology for the preparation of membranes with a high affinity for nitrates. For this purpose, a polymeric mixture containing an anion exchange resin was extended on a recycled pressure filtration membrane used as mechanical ...
Amaia Lejarazu-Larrañaga   +4 more
doaj   +1 more source

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