Results 21 to 30 of about 250,154 (300)

Key physicochemical characteristics governing organic micropollutant adsorption and transport in ion-exchange membranes during reverse electrodialysis [PDF]

open access: yes, 2019
The co-generation of electricity and electrodialysis of seawater in a hybrid system is a promising approach to overcome water scarcity. Reverse electrodialysis harvests energy from the salinity gradient, where seawater is used as a high salinity stream ...
Cornelissen, Emile   +7 more
core   +1 more source

Direct Measurement of Vanadium Crossover in an Operating Vanadium Redox Flow Battery [PDF]

open access: yes, 2013
Measurements of Vanadium diffusion coefficients for transport across cation exchange membranes using dialysis cells have been reported in the literature.
Meyers, Jeremy P., Sing, David Charles
core   +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

Current-induced membrane discharge [PDF]

open access: yes, 2012
Possible mechanisms for over-limiting current (OLC) through aqueous ion-exchange membranes (exceeding diffusion limitation) have been debated for half a century.
Andersen, M. B.   +5 more
core   +4 more sources

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

New cation-exchange membranes for hyperfiltration processes [PDF]

open access: yes, 1977
A new route for the preparation of cation exchange membranes from polystyrene-polyisoprene-polystyrene (SIS) block copolymers has been studied, using N-chlorosulfonyl isocyanate.
Smolders, C.A., Velden, P.M. van der
core   +12 more sources

Investigation of ion transport and water content properties in anion exchange membranes based on polysulfone for solid alkaline fuel cell application [PDF]

open access: yesHydrogen, Fuel Cell & Energy Storage, 2015
In present research work, homogeneous anion exchange membranes based on polysulfone (QAPSFs) were prepared via chloromethylation, amination and alkalization.
Mona Iravaninia   +2 more
doaj   +1 more source

Using small molecules to facilitate exchange of bicarbonate and chloride anions across liposomal membranes [PDF]

open access: yes, 2009
Bicarbonate is involved in a wide range of biological processes, which include respiration, regulation of intracellular pH and fertilization. In this study we use a combination of NMR spectroscopy and ion-selective electrode techniques to show that the ...
A Fürstner   +41 more
core   +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

The Role of Ion Exchange Membranes in Membrane Capacitive Deionisation

open access: yesMembranes, 2017
Ion-exchange membranes (IEMs) are unique in combining the electrochemical properties of ion exchange resins and the permeability of a membrane. They are being used widely to treat industrial effluents, and in seawater and brackish water desalination ...
Armineh Hassanvand   +4 more
doaj   +1 more source

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