2 edition of preparation and properties of ion exchange membranes. found in the catalog.
preparation and properties of ion exchange membranes.
Robert James Stewart
Written in English
|Contributions||Toronto, Ont. University.|
|The Physical Object|
|Pagination||216 [i.e. 217] leaves.|
|Number of Pages||217|
Ion exchange membranes and electrodialysis. a Milestones in the development of IEMs processes. 2 b Schematic illustration of an ED process. Once . In order to produce membranes with good features, this study aimed to evaluate the influence of the method of preparation of heterogeneous anion exchange membranes (AEMs). Membranes were prepared by spread coating and casting methods. In the latter method, different solvents were used: tetrahydrofuran (THF) and dimethylformamide (DMF).
Ion exchange capacity Ion exchange capacities of prepared EVA heterogeneous cation exchange membranes were measured using an acid-base titration method. A membrane was cut into a 3 cm ×3 cm specimen, weighed and immersed in a 1 M HCl standard solution for 24 hours to con-vert any salt form of sulfonate groups to SO 3H, followed by washing. Ion-exchange membrane materials: Properties, modification, and practical application Article (PDF Available) in Nanotechnologies in Russia 4(3) April with 4, Reads.
(). Heterogeneous Cation Exchange Membrane: Preparation, Characterization and Comparison of Transport Properties of Mono and Bivalent Cations. Separation Science and Technology: Vol. 45, No. 16, pp. Get this from a library! Ion exchange membranes Preparation, characterization, modification and application. -- This product is not available separately, it is only sold as part of a set. There are products in the set and these are all sold as one entity, Various separation membranes .
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This book, aimed at academic researchers, engineers and industrialists, contains a brief history of ion exchange and goes on to explain the preparation, characterization, modification and Reviews: 1. This book, aimed at academic researchers, engineers and industrialists, contains a brief history of ion exchange and goes on to explain the preparation, characterization, modification and applications of these important membranes.
Discussions include the use of ion exchange in analytical and medical techniques, as well as the development of Cited by: Among the separation membranes, ion exchange membranes are one of the advanced separation membranes. Therefore, this chapter addresses on different types of ion exchange membranes with reference to their preparation, properties, as well as their industrial by: This book, aimed at academic researchers, engineers and industrialists, contains a brief history of ion exchange and goes on to explain the preparation, characterization, modification and applications of these important membranes.
Discussions include the use of ion exchange in analytical and medical techniques, as well as the development of future by: Preparation and properties of ion exchange membranes for PEMFC with sulfonic and carboxylic acid groups based on polynorbornenes.
Author links open overlay panel. ChaoWanga ZhimingFengb YangZhaoa XueLib WeiweiLib XiaofengXieb ShuboWangb HuaHoua. Get rights and content. Theory of membrane phenomena in ion exchange membranes: p.
7: Preparation of ion exchange membranes: p. Properties, characterization and microstructure of ion exchange membranes: p. Modification of transport properties of ion exchange membranes: p.
Application of ion exchange membranes: p. Ion exchange membranes in the future Format: Hardcover. Hence, herein, the preparation, properties and applications of some ion selective membranes are discussed with the aim of shedding light on the advancement these materials over time and highlighting areas requiring further development.
To facilitate a smooth discussion, the ISMs are discussed based on the ion for which they are selective. Key properties of the as-prepared membranes, such as hydrophilicity, water content, ion exchange capacity, fixed ion concentration, conductivity and transport number were examined and compared.
Abstract. Ion-exchange membranes consisting of sulfonated polyether sulfone with controllable porosities and structures were prepared via a two-step phase inversion procedure. The porosity of membranes has been deliberately controlled by adjusting drying conditions.
Ion-exchange membranes are ion-exchange resins in sheet form. There are, however, significant differences between ion-exchange resins and membranes as far as the mechanical properties and especially the swelling behavior are concerned.
Ion-exchange resins are mechanically weak or tend to swell drastically in diluate electrolyte solutions . Via a two-step phase inversion technique, composite membranes with controllable porosity and a significant improvement of electrochemical properties were successfully prepared.
The presence of surface functionalized mesoporous silica (SS) as inorganic fillers in the sulfonated polyethersulfone (sPES) polymer matrix was proved to have a great impact on the resultant membrane structure, which. Heterogeneous ion-exchange membranes can be easily prepared by mixing an ion-exchange powder with a dry binder polymer, followed by extrusion of sheets under the appropriate conditions of pressure and temperature, or by dispersion of ion-exchange particles in a solution of a film-forming binder polymer, followed by casting a film and then evaporating the solvent.
From the book: Ion Exchange Membranes: Preparation, Characterization, Modification and Application Properties, Characterization and Microstructure of Ion Exchange Membranes.
Toshikatsu Sata No abstract available Buy this chapter £* * Exclusive of taxes This chapter contains 46 page(s) Other ways to access this content. Chronological advancement of ion exchange membrane in the past 20 years. Source: ; Search settings: ion exchange membrane including articles, conferences, notes, books and review.
The resultant AEMs demonstrated great potential for alkaline anion exchange membrane fuel cell applications based on its good thermal stability, sufficient mechanical properties and high conductivity.
The ion exchange capacity can be controlled by change the mixture ratio, and the swelling ratio, water uptake and ion exchange capacity of the. This entry describes the preparation of ion exchange membranes mostly based on polymeric materials.
Like other membranes, an ion exchange membrane should have a high flux and a high selectivity, often characterized by electrochemical properties representing transport of ions.
Ion exchange membranes: New developments and applications. Journal of Membrane Science, DOI: / Krishnaveni Venugopal, Sangeetha Dharmalingam. Synthetic salt water desalination by electrodialysis using reinforced ion exchange membranes for acid–base production.
Heterogeneous Ion Exchange Membranes (IEMs) consist of fine ion exchange particles embedded in an inert binder polymer such as polyethylene, phenol resins, or polyvinylchloride. Heterogeneous IEMs are characterized by the discontinuous phase of the ion exchange material.
These membranes can easily be prepared by mixing an ion exchange powder. Abstract. Nano-composite ion-exchange membranes (IEMs) consisting of graphene oxide (GO) (, 1, 2, 5 and 10%) (w/w) and sulfonated polyethersulfone (SPES) of thickness μm are prepared with enhanced electrochemical properties.
In particular, the transport properties of SPES are favourably manipulated by the incorporation of GO. Theory of membrane phenomena in ion exchange membranes --Preparation of ion exchange membranes --Properties, characterization and microstructure of ion exchange membranes --Modification of transport properties of ion exchange membranes --Application of ion exchange membranes --Ion exchange membrane in the future.
Responsibility: Toshikatsu, Sata. ED is a membrane process of separation under the action of an electric field, where ions are selectively transported across ion-exchange membranes.
ED of both conventional or unconventional. Since homogeneous ion exchange membranes are thinner than heterogeneous ion exchange membranes, such result was considered to be reasonable. Thus, it can be considered that the concentration profile becomes a function of both time and membrane thickness.
Download: Download high-res image (KB) Download: Download full-size image; Fig. 7.Despite the fact that various membrane processes, like reverse osmosis, are described in great detail in a number of books, processes involving ion-exchange membranes are only described in a fragmented way in scientific journals and patents; even though large industrial applications, like electrodialysis, have been around for over half a century.