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Ion Exchange and the Swelling of Ion-exchange Resins

Russian Chemical Reviews, 1969
The review deals with the modern hypotheses concerning the physicochemical properties of ion-exchange resins and their effects in the interaction between resins and solvents and solutes, mainly electrolytes. The problems associated with the permeability of resins, the steric accessibility of the functional centres, and their screening are discussed ...
G V Samsonov, V A Pasechnik
openaire   +2 more sources

Ion-Exchange Selectivities of Inorganic Ion Exchangers

2021
The most important groups of inorganic ion exchangers are clays, zeolites, hydrous oxides, insoluble acid salts, heteropolyacids, and hexacyanoferrates. Some of these inorganic ion exchangers exhibit especially high selectivities for certain elements or groups of elements.
openaire   +2 more sources

Synergy between Zeolite Framework and Encapsulated Sulfur for Enhanced Ion-Exchange Selectivity to Radioactive Cesium

Chemistry of Materials, 2018
To eliminate the radioisotope 137Cs+ from contaminated water, various inorganic ion-exchange materials have been developed. Many selective ion-exchange materials are relatively expensive and difficult to prepare, whereas conventional materials such as ...
Eunhye Han   +4 more
semanticscholar   +1 more source

Unusual Flexibility of Microporous Sulfides during Ion Exchange.

Inorganic Chemistry, 2018
Open-framework chalcogenides with ion-exchange capacity are promising materials for removing hazardous heavy-metal ions and for capturing radioactive Cs+.
Ren-Chun Zhang   +8 more
semanticscholar   +1 more source

Predicting Salt Permeability Coefficients in Highly Swollen, Highly Charged Ion Exchange Membranes.

ACS Applied Materials and Interfaces, 2017
This study presents a framework for predicting salt permeability coefficients in ion exchange membranes in contact with an aqueous salt solution. The model, based on the solution-diffusion mechanism, was tested using experimental salt permeability data ...
Jovan Kamcev   +3 more
semanticscholar   +1 more source

Partitioning of mobile ions between ion exchange polymers and aqueous salt solutions: importance of counter-ion condensation.

Physical Chemistry, Chemical Physics - PCCP, 2016
Equilibrium partitioning of ions between a membrane and a contiguous external solution strongly influences transport properties of polymeric membranes used for water purification and energy generation applications.
Jovan Kamcev   +6 more
semanticscholar   +1 more source

Effect of fixed charge group concentration on equilibrium ion sorption in ion exchange membranes

, 2017
Despite their increasing importance in many energy and water purification applications, few systematic studies of ion sorption in ion exchange membranes exist where fixed charge group concentration and water content are varied independently. Such studies
Jovan Kamcev, D. R. Paul, B. Freeman
semanticscholar   +1 more source

PFAS removal by ion exchange resins: A review.

Chemosphere, 2021
Fuhar Dixit   +4 more
semanticscholar   +1 more source

Ion Exchange in Environmental Processes: Fundamentals, Applications and Sustainable Technology

, 2017
As environmental and energy related regulations have grown, ion exchange has assumed a dominant role in offering solutions to many concurrent problems both in the developed and the developing world.
A. SenGupta
semanticscholar   +1 more source

Highly Selective and Rapid Uptake of Radionuclide Cesium Based on Robust Zeolitic Chalcogenide via Stepwise Ion-Exchange Strategy

, 2016
The safe use of nuclear energy requires the development of advanced adsorbent technology to address environment damage from nuclear waste or accidental release of radionuclides.
Huajun Yang   +11 more
semanticscholar   +1 more source

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