Results 21 to 30 of about 634,155 (306)

Construction of Carbon Nanotube-based Composite Membrane with Electron-ion Double Transfer Function and its Electrically Driven Ion Separation Performance

open access: yesTaiyuan Ligong Daxue xuebao, 2023
The construction of electroactive ion separation membranes with dual functions of electron and ion transfer is a key technology in the field of electronchemically switched ion permselectivity membrane (ESIPM) separation.
Xiaogang WU   +6 more
doaj   +1 more source

Modification of Copper (II) Ion-exchange Properties of Freestanding Alginate Membrane by Embedding with Zeolite [PDF]

open access: yesMATEC Web of Conferences, 2021
Insolubilized alginate membranes were obtained by crosslinking alginate with calcium ions, and alginate membranes embedded with zeolite in order to improve their ion exchange capacities were also successfully prepared.
Hagiri Masahide   +3 more
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

An innovative compound bed of EDI device with enhancing ion-exchange resins regeneration efficiency

open access: yesWater Science and Technology, 2021
Electrodeionization (EDI) technology is limited by low regeneration efficiency of ion exchange resins, requirements of high-quality influent water, fouling of the ion exchange membrane and electrode, etc.
Xu Chen   +6 more
doaj   +1 more source

Preparation of Alumina-Sphere-Supported Potassium Chabazite Zeolite Membrane with Excellent Potassium Extraction Performance at Room Temperature

open access: yesMembranes, 2022
In this paper, a potassium chabazite (KCHA) zeolite membrane was prepared by coating KCHA zeolite on the surface of a porous alumina sphere. The performance of the KCHA zeolite membrane in extracting potassium from seawater and sea bittern at room ...
Jie Ouyang, Heng Wei, Jin Hou
doaj   +1 more source

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

Strategically Altered Fluorinated Polymer at Nanoscale for Enhancing Proton Conduction and Power Generation from Salinity Gradient

open access: yesMembranes, 2022
Reverse electrodialysis (RED) generates power directly by transforming salinity gradient into electrical energy. The ion transport properties of the ion-exchange membranes need to be investigated deeply to improve the limiting efficiencies of the RED ...
Prem P. Sharma   +7 more
doaj   +1 more source

A Hybrid Ion-Exchange Fabric/Ceramic Membrane System to Remove As(V), Zn(II), and Turbidity from Wastewater

open access: yesApplied Sciences, 2020
Ceramic membranes and ion exchangers are effective at removing turbidity and ionic contaminants from water, respectively. In this study, we demonstrate the performance of a hybrid ion-exchange fabric/ceramic membrane system to treat metal ions and ...
Nag-Choul Choi   +4 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

FEATURES OF OPERATION OF POLYSTYRENE MEMBRANES IN PETROCHEMICAL INDUSTRY

open access: yesВ мире научных открытий, 2017
The article presents the research results of ion-exchange membranes based on polystyrene. Describes the process of swelling of ion exchange membrane for example, the swelling of the cation exchange resin in butanol.
E. K. Karimov   +4 more
doaj   +1 more source

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