Mass Transfer And Kinetics Of Ion Exchange

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Mass Transfer And Kinetics Of Ion Exchange

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Author : L. Liberti
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Mass Transfer And Kinetics Of Ion Exchange written by L. Liberti and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

While ion-exchange processes were originally used for the treatment of very dilute solutions, many applications for the treatment of concentrated solu tions have been developed in recent years. In these situations, the mass transfer bottlenecks are located in the~, rather than the liquid phase. Therefore, the development of quantitative models for ion-exchange kinetics requires knowledge about the conductance characteristics of ions and solvent in the solid phase. A useful approach towards this aim is the study of trans port characteristics of these species, and of their interactions in solid ion exchange membranes. Many different transport processes and related phenomena can be observed in membrane-solution systems, e.g., ion migration, electroosmosis, diffusion arid self-diffusion, osmosis, hydraulic flow, hyperfiltration (reverse osmosis) or ultrafiltration, streaming potential and streaming current, and membrane potentials (also called "membrane concentration potentials"). It is important to correlate all these phenomena so as to avoid a very large number of unnec essary measurements. Such correlation is often possible [Meares, 1976] since all these phenomena are determined by the ease of migration of the different species across the membrane. Important correlations have been made and summar ized even before high-capacity ion-exchange membranes became commercially available [Sollner, 1950, 197iJ.

Fundamentals And Applications Of Ion Exchange

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Author : L. Liberti
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Fundamentals And Applications Of Ion Exchange written by L. Liberti and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

"Ion exchange", as Dr. Robert Kunin has said, "is a unique technology since ft occupies a special place in at least three other scientific disciplines - polymer chemistry, polyelectrolytes and adsorption. " It may also lay claim to being one of the most widely used industrially. From its origins in water treatment and the sugar industry, through hydrometallurgical applications as diverse as the treatment of plating wastes and the tonnage production of uranium, to the present-day production of ultrapure water for the microelectronics industry, the recovery of valuable materials from sewage effluents and pollution control, the uses of ion exchange are legion. As a result, it is well-nigh impossible to prevent infiltration by the real world of even the most academic of conferences on the subject. It came as no surprise to the Scientific Board of the NATO Advanced Study Institute on "Mass Transfer & Kinetics of Ion Exchange" that one third of the lecturers, and one half of their advanced students, were from Industry, nor that the two round-table discussions, which specially featured industrial applications and future requirements, were well attended and enthusiastically debated.

Principles Of Ion Exchange Technology

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Author : M. J. Slater
language : en
Publisher: Butterworth-Heinemann
Release Date : 1991

Principles Of Ion Exchange Technology written by M. J. Slater and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Science categories.

Mass Transfer

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Author : Marek Solecki
language : en
Publisher: BoD – Books on Demand
Release Date : 2015-10-22

Mass Transfer written by Marek Solecki and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-22 with Science categories.

This book covers a wide variety of topics related to advancements in different stages of mass transfer modelling processes. Its purpose is to create a platform for the exchange of recent observations, experiences, and achievements. It is recommended for those in the chemical, biotechnological, pharmaceutical, and nanotechnology industries as well as for students of natural sciences, technical, environmental and employees in companies which manufacture machines for the above-mentioned industries. This work can also be a useful source for researchers and engineers dealing with mass transfer and related issues.

Ion Exchange And Solvent Extraction

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Author : Arup K. SenGupta
language : en
Publisher: CRC Press
Release Date : 2004-03-01

Ion Exchange And Solvent Extraction written by Arup K. SenGupta and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-03-01 with Science categories.

Reflecting the sustained and diverse experimental momentum in the field of ion exchange, Volume 16 summarizes revolutionary advances on par with the consistently high-level research related by this series. This text discusses the kinetics, theoretical models, experimental results/supporting data, and applications for isothermal supersaturation, met

Modelling Mixed Bed Ion Exchange Kinetics For Removal Of Trace Levels Of Divalent Cations In Ultrapure Water

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Author : B. Widman
language : en
Publisher:
Release Date : 2003

Modelling Mixed Bed Ion Exchange Kinetics For Removal Of Trace Levels Of Divalent Cations In Ultrapure Water written by B. Widman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

Ion exchanger resin fluid film mass transfer coefficients and the ionic diffusivities from which they are derived are often measured by use of ion exchange resin columns. Such tests, usually run dynamically using short resin beds, are often performed using relatively high (ppm) concentrations of ions to accurately measure output concentrations as a function of flow rate. The testing described herein was performed to determine fluid film ionic diffusivities for cationic concentrations typical of ultrapure water ({le}ppb levels) containing ppm levels of ammonia. Effective ionic diffusivities at these low ionic concentrations and high pHs were needed to complete a computer model (SIMIX) to be used in ion exchange simulations. SIMIX is a generalized multicomponent ion exchange model designed to simulate the removal of divalent cations from ultrapure water.

Axial Dispersion Constant Pattern Kinetics Of Ion Exchange And Adsorption Columns

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Author : Robert E. Quilici
language : en
Publisher:
Release Date : 1969

Axial Dispersion Constant Pattern Kinetics Of Ion Exchange And Adsorption Columns written by Robert E. Quilici and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Saline water conversion categories.

Ion Exchange And Solvent Extraction

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Author : Bruce A Moyer
language : en
Publisher: CRC Press
Release Date : 2019-06-18

Ion Exchange And Solvent Extraction written by Bruce A Moyer and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-18 with Science categories.

This volume will capture transformational changes in both the chemistry and engineering side of solvent extraction, creating new directions and deepening our understanding of the structure and dynamics of liquid-liquid systems from the molecular- to nano- to meso- to bulk-scale. Reviews will cover advances in microfluidics, new tools for understanding the structure and dynamics of the liquid-liquid interface, ionic liquids in liquid-liquid extraction, molecular dynamics to visualize interactions in the solvent phase, liquid-liquid electrochemistry to interrogate the energetics of interfacial transport and complexation, design of new extractants, and the streamlining of process applications.

Adsorption Ion Exchange And Catalysis

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Author : Vassilis J. Inglezakis
language : en
Publisher: Elsevier Science Limited
Release Date : 2006

Adsorption Ion Exchange And Catalysis written by Vassilis J. Inglezakis and has been published by Elsevier Science Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Science categories.

Adsorption, Ion Exchange and Catalysis is essentially a mixture of environmental science and chemical reactor engineering. More specifically, three important heterogeneous processes, namely, adsorption, ion exchange and catalysis, are analysed, from fundamental kinetics to reactor design with emphasis on their environmental applications. In Chapter 1, the subject of air and water pollution is dealt with. Data about pollutants and emission sources are given and the treatment methods are shortly presented. In Chapter 2, the very basics and historical development of adsorption, ion exchange and catalysis are presented as well as their environmental applications. Chapter 3 is devoted to heterogeneous processes and reactor analysis. All types of reactors are described in depth and reactor modelling, hydraulics and mass/heat transfer phenomena are examined for each type of reactor. Chapters 4 and 5 are dedicated to adsorption & ion exchange and catalysis, respectively. The basic principles are presented including kinetics, equilibrium, mass/heat transfer phenomena as well as the analytical solutions of the reactor models presented in Chapter 3. In the sixth chapter, the subject of scale up is approached. The two Annexes at the end of the book contain physical properties of substances of environmental interest as well as unit conversion tables. Finally, nearly all the examples contained are based on real experimental data found in literature with environmental interest. Most of the examples consider all aspects of operation design – kinetics, hydraulics and mass transfer. * Provides basic knowledge of major environmental problems and connects them to chemical engineering

Pore And Solid Diffusion Kinetics In Fixed Bed Absorption

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Author : Kenneth R. Hall
language : en
Publisher:
Release Date : 1964

Pore And Solid Diffusion Kinetics In Fixed Bed Absorption written by Kenneth R. Hall and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.