Results 11 to 20 of about 409,098 (293)

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

Applied 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, Kang-Hee Cho, Min-Sung Kim, Seong-Jik Park, Chang-Gu Lee   +4 more
doaj   +1 more source

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

Membranes, 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, Rahul Singh, Syed Abdullah Shah, Cheol Hun Yoo, Albert S. Lee, Daejoong Kim, Jeong-Geol Na, Jong Suk Lee   +7 more
doaj   +1 more source

FEATURES OF OPERATION OF POLYSTYRENE MEMBRANES IN PETROCHEMICAL INDUSTRY

В 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, O. K. Karimov, R. R. Daminev, D. R. Arifulina, A. R. Akhmetzyanova   +4 more
doaj   +1 more source

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

Journal 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

Taiyuan 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, Qinbo YUAN, Liang CHEN, Xianxian ZHOU, Yu LI, Enzhi WANG, Panpan LIU, Shibin LIU   +7 more
doaj   +1 more source

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

Membranes, 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, Daniel M. Reyes-Valadez, Oscar A. González-Vargas, Victor A. Suárez-Toriello, Jesús S. Jaime-Ferrer   +4 more
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Comparison of the property of homogeneous and heterogeneous ion exchange membranes during electrodialysis process

Ain 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, Wenqiao Meng, Yupeng Wang, Dong Wang, Meng Zhang, Guohui Wang, Jiaji Cheng, Yue Zhou, Wenjuan Qu   +8 more
doaj   +1 more source

Current-induced membrane discharge [PDF]

, 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., Bazant, M. Z., Biesheuvel, P. M., Bruus, H., Mani, A., van Soestbergen, M.   +5 more
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Preparation and properties of amphoteric ion exchange membrane for all vanadium redox flow batteries

Results in Physics, 2019
The amphoteric ion exchange membrane basing on cheap polyetheretherketone (PEEK) engineering plastics was prepared by modification reactions and casting method in this investigation.
Jianjun Zhang, Xiaohua Chen, Rui Long, Jianlong Si, Chun Liu, Sude Ma   +5 more
doaj   +1 more source

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

Membranes, 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, Juan Manuel Ortiz, Serena Molina, Yan Zhao, Eloy García-Calvo   +4 more
doaj   +1 more source