Results 11 to 20 of about 411,876 (360)

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-Exchange Membranes and Processes [PDF]

open access: yesMembranes, 2021
Synthetic ion exchange membranes (IEMs) are made from organic, inorganic, or mixed and composite materials [...]
Natalia Pismenskaya, Victor Nikonenko
openaire   +3 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

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

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

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

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

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

Preparation of HxPO4(3-x)- Imprinted Polypyrrole Membrane Material and Its Electrochemically Switched Ion Exchange Properties

open access: yesTaiyuan Ligong Daxue xuebao, 2021
The polypyrrole-based imprinted membrane material was prepared on gold plated quartz wafer by potentiostatic method. The morphology, structure, and composition of membrane material were characterized by SEM, FT-IR, and XPS.
Lifang XING   +7 more
doaj   +1 more source

Custom-Made Ion Exchange Membranes at Laboratory Scale for Reverse Electrodialysis

open access: yesMembranes, 2019
Salinity gradient power is a renewable, non-intermittent, and neutral carbon energy source. Reverse electrodialysis is one of the most efficient and mature techniques that can harvest this energy from natural estuaries produced by the mixture of seawater
Liliana Villafaña-López   +4 more
doaj   +1 more source

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