Results 21 to 30 of about 3,062,144 (293)

Graphene Oxide/Polyethyleneimine-Modified Cation Exchange Membrane for Efficient Selective Recovery of Ammonia Nitrogen from Wastewater. [PDF]

open access: yesMembranes (Basel), 2023
Competition for the migration of interfering cations limits the scale-up and implementation of the Donnan dialysis process for the recovery of ammonia nitrogen (NH4+-N) from wastewater in practice.
Yu Y   +7 more
europepmc   +2 more sources

Evaluating Cation-Exchange Membrane Properties Affecting Polymer Electrolyte Membrane Water Electrolysis [PDF]

open access: yesACS Omega
Miyuki Nara   +9 more
doaj   +2 more sources

Purification of Wet-Process Phosphoric Acid via Donnan Dialysis with a Perfluorinated Sulfonic Acid Cation-Exchange Membrane. [PDF]

open access: yesMembranes (Basel), 2021
This work reports the application of an electromembrane process, Donnan dialysis (DD), for the purification of so-called wet-process phosphoric acid (WPA).
Zhong Q   +5 more
europepmc   +2 more sources

Effect of Divalent Cations on RED Performance and Cation Exchange Membrane Selection to Enhance Power Densities. [PDF]

open access: yesEnviron Sci Technol, 2017
Reverse electrodialysis (RED) is a membrane-based renewable energy technology that can harvest energy from salinity gradients. The anticipated feed streams are natural river and seawater, both of which contain not only monovalent ions but also divalent ...
Rijnaarts T   +3 more
europepmc   +3 more sources

Cation-Exchange Membrane with Low Frictional Coefficient and High Limiting Current Density for Energy-Efficient Water Desalination. [PDF]

open access: yesACS Omega, 2018
A sulfonated poly­(ether ether ketone) (SPEEK) and phosphorylated graphene oxide (PGO) composite of a cation-exchange membrane with low frictional coefficient and high limiting current density has been reported for water desalination by rapid ...
Das AK, Manohar M, Shahi VK.
europepmc   +2 more sources

Regeneration of chromate galvanic solutions in membrane electrochemical devices

open access: yesЖурнал інженерних наук, 2022
The regeneration processes of industry technological passivating baths of electrochemical cadmium lines and electrochemical galvanizing lines as an applied result of two-chamber membrane cation-exchange electrochemical devices researched.
V. Serdiuk   +6 more
doaj   +1 more source

Composition and Structure Progress of the Catalytic Interface Layer for Bipolar Membrane

open access: yesNanomaterials, 2022
Bipolar membranes, a new type of composite ion exchange membrane, contain an anion exchange layer, a cation exchange layer and an interface layer. The interface layer or junction is the connection between the anion and cation exchange layers.
Di Zhao   +14 more
doaj   +1 more source

Electrodialysis of a sodium sulphate solution with experimental bentonite-modified bipolar membranes

open access: yesКонденсированные среды и межфазные границы, 2021
The aim of this work is to study the characteristics of the electrodialysis of a sodium sulphate solution with experimental bipolar membranes based on the MA-41 anion exchange membrane and a liquid sulphonated cation-exchanger modified with bentonite ...
Olga A. Kozaderova   +4 more
doaj   +1 more source

Electrochemical studies on zirconium phosphoborate based heterogeneous membranes [PDF]

open access: yesJournal of Electrochemical Science and Engineering, 2014
Electrode potential measurements have been applied to study electrical characteristics like transport numbers, permselectivity & fixed charged density of zirconium phosphoborate ion exchange membranes.
Sandeep Kaushal   +2 more
doaj   +2 more sources

Ion Transport Characteristics in Membranes for Direct Formate Fuel Cells

open access: yesFrontiers in Chemistry, 2020
Ion exchange membranes are widely used in fuel cells to physically separate two electrodes and functionally conduct charge-carrier ions, such as anion exchange membranes and cation exchange membranes.
Xiangyu Su, Zhefei Pan, Liang An
doaj   +1 more source

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