Transport Properties Of Polymeric Membranes
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Transport Properties Of Polymeric Membranes
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Author : Sabu Thomas
language : en
Publisher: Elsevier
Release Date : 2017-11-20
Transport Properties Of Polymeric Membranes written by Sabu Thomas and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-20 with Science categories.
Transport Properties of Polymeric Membranes is an edited collection of papers that covers, in depth, many of the recent technical research accomplishments in transport characteristics through polymers and their applications. Using the transport through polymer membranes method leads to high separation efficiency, low running costs, and simple operating procedures compared to conventional separation methods. This book provides grounding in fundamentals and applications to give you all the information you need on using this method. This book discusses the different types of polymer, their blends, composites, nanocomposites and their applications in the field of liquid, gas and vapor transport. Some topics of note include modern trends and applications of polymer nanocomposites in solvent, vapor and gas transport; fundamentals and measurement techniques for gas and vapor transport in polymers; and transport properties of hydrogels. This handpicked selection of topics, and the combined expertise of contributors from global industry, academia, government and private research organizations, make this book an outstanding reference for anyone involved in the field of polymer membranes. Presents current trends in the field of transport of liquid, gas and vapor through various polymeric systems Features case studies focused on industrial applications of membrane technology, along with fundamentals of transport and materials Helps readers quickly look up a particular technique to learn key points, capabilities and drawbacks
Interfacial Confinement Effects On Material And Transport Properties Of Polymeric Gas Separation Membranes
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Author : Jason P. Killgore
language : en
Publisher:
Release Date : 2009
Interfacial Confinement Effects On Material And Transport Properties Of Polymeric Gas Separation Membranes written by Jason P. Killgore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Nanocomposites (Materials) categories.
Polymer Membranes
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Author : T. deV. Naylor
language : en
Publisher: iSmithers Rapra Publishing
Release Date : 1996
Polymer Membranes written by T. deV. Naylor and has been published by iSmithers Rapra Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Technology & Engineering categories.
This report describes the constitution and application of polymeric membranes in separation processes. The separation processes covered are reverse osmosis and nanofiltration, ultrafiltration, gas separation, pervaporation and ion exchange. An additional indexed section containing several hundred abstracts from the Rapra Polymer Library database provides useful references for further reading.
Transport Properties In Polymers
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Author : Jiri Stastna
language : en
Publisher: CRC Press
Release Date : 1995-03-01
Transport Properties In Polymers written by Jiri Stastna and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-03-01 with Technology & Engineering categories.
From the Authors Introduction Diffusion is one of the few manageable nonequilibrium pro- cesses during which matter is transported through a system. Traditionally, diffusion is studied in physical chemistry; however, the fundamental understanding of diffusion processes is not possible without involving statistical physics. Diffusion in disordered systems, such as in polymers, has sometimes unexpected features, the nature of which has not yet been determined. Since modern technology involves more and more complex materials which rely on a subtle balance of microscopic effects, the understanding of diffusion processes in these materials is of paramount importance from the practical point of view. A renewed interest in the basic principles of diffusion is a direct result of new experimental data. This was a contributing factor in the preparation of this text. In the first chapter, the phenomenological thermodynamic basics of diffusion is reviewed, and the diffusion equation is derived from the principles of irreversible thermodynamics. The basic mathematical apparatus for solving diffusion equations is reviewed in the second chapter. The third chapter deals mainly with the vast amount of experimental data dealing with diffusion in polymers. . . . A reader interested in particular polymeric systems can use the . . . material as a useful introduction. The last chapter contains basic information concerning random walks and their application to the diffusion in disordered systems. The theory of random walks is widely used in polymer physics where it is usually combined with statistical mechanics to formulate various models of polymeric systems. Finally, useful mathematical formulas and references to the original sources of some mathematical methods are [provided] in the appendices. Some physical constants associated with several polymer solvent systems are also presented.
Materials Science Of Membranes For Gas And Vapor Separation
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Author : Benny Freeman
language : en
Publisher: John Wiley & Sons
Release Date : 2006-05-12
Materials Science Of Membranes For Gas And Vapor Separation written by Benny Freeman and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-12 with Technology & Engineering categories.
Materials Science of Membranes for Gas and Vapor Separation is a one-stop reference for the latest advances in membrane-based separation and technology. Put together by an international team of contributors and academia, the book focuses on the advances in both theoretical and experimental materials science and engineering, as well as progress in membrane technology. Special attention is given to comparing polymer and inorganic/organic separation and other emerging applications such as sensors. This book aims to give a balanced treatment of the subject area, allowing the reader an excellent overall perspective of new theoretical results that can be applied to advanced materials, as well as the separation of polymers. The contributions will provide a compact source of relevant and timely information and will be of interest to government, industrial and academic polymer chemists, chemical engineers and materials scientists, as well as an ideal introduction to students.
Transport And Surface Properties Of Ion Containing Polymer Membranes
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Author : He Xie
language : en
Publisher:
Release Date : 2012
Transport And Surface Properties Of Ion Containing Polymer Membranes written by He Xie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Polymeric Gas Separation Membranes
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Author : D.R. Paul
language : en
Publisher: CRC Press
Release Date : 2018-05-04
Polymeric Gas Separation Membranes written by D.R. Paul and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-04 with Science categories.
Polymeric Gas Separation Membranes is an outstanding reference devoted to discussing the separation of gases by membranes. An international team of contributors examines the latest findings of membrane science and practical applications and explores the complete spectrum of relevant topics from fundamentals of gas sorption and diffusion in polymers to vapor separation from air. They also compare membrane processes with other separation technologies. This essential book will be valuable to all practitioners and students in membrane science and technology.
Evaluation Of Transport And Transport Stability In Glassy Polymer Membranes
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Author : Katrina Marie Czenkusch
language : en
Publisher:
Release Date : 2014
Evaluation Of Transport And Transport Stability In Glassy Polymer Membranes written by Katrina Marie Czenkusch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Both novel membrane materials with better separation characteristics and a better fundamental understanding of membrane transport stability are needed to improve the competitiveness of commercial membrane separations. In this work, the effect of a novel moiety, hexafluoroalcohol, on the gas transport properties of an aromatic polyimide membrane are evaluated. The hexafluoroalcohol group increases the membrane's fractional free volume, which increases the membrane's permeability to all gases. Additionally, the HFA-containing polyimide shows resistance to plasticization by carbon dioxide. However, ideal selectivity for several gas pairs is unchanged by the inclusion of hexafluoroalcohol and the increase in the polymer's fractional free volume. This lack of selectivity loss with increasing free volume is attributed to hydrogen bonding between the hexafluoroalcohol and imide groups, which reduces chain mobility. The ethanol dehydration characteristics of a so-called "TR" polymer are also evaluated in this work. TR polymers are heterocyclic, aromatic polymers synthesized by a solid-state, high temperature condensation from ortho-functional polyimides. Pervaporation studies on a representative TR polymer film demonstrate that the material has separation properties that exceed those of a commercial ethanol dehydration membrane. The transport properties of the TR film, combined with high thermal and chemical stability characteristic of these materials, make TR polymers promising materials for high-temperature, high-water content ethanol dehydration. Finally, the physical aging and plasticization of cellulose triacetate, the dominant natural gas purification membrane, is presented. Although this material has been used industrially for over 30 years, the physical aging and plasticization of the material, particularly in sub-micron films, has never been studied. Although cellulose triacetate does show physical aging behavior, as observed by permeability decreases over time, cellulose triacetate thin films do not show accelerated aging. Furthermore, the plasticization of thin cellulose triacetate films is reduced, rather than increased as seen in other polymers. The unusual transport stability of thin cellulose triacetate films may be due to their complex, semi-crystalline morphology, which, due to the thermal instability of the material, may not be thermally controlled.
Polymeric Membranes For Water Purification And Gas Separation
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Author : Rasel Das
language : en
Publisher: Materials Research Forum LLC
Release Date : 2021-11-25
Polymeric Membranes For Water Purification And Gas Separation written by Rasel Das and has been published by Materials Research Forum LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-25 with Technology & Engineering categories.
Various organic and synthetic polymers are important materials for the removal of organic and inorganic pollutants from wastewater and the separation of gases. The book discusses various types of membranes for microfiltration, ultrafiltration, nanofiltration, reverse osmosis, forward osmosis etc. A number of nanomaterials are available for the modification of polymeric membranes. Keywords: Polymeric Membrane, Water Purification, Water Softening, Water Desalination, Gas Separation, Osmosis Membranes, Microfiltration, Ultrafiltration, Nanofiltration, Carbon Nanotube, Nanosheets, MOFs, Porous Organic Cages, Titanium Dioxide, Zinc Oxide, Mesoporous Silica Nanoparticles, O2/N2 Separation, CO2/CH4 Separation, H2/N2 Separation.
Polymer Membranes For Gas And Vapor Separation
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Author : Benny D. Freeman
language : en
Publisher:
Release Date : 1999
Polymer Membranes For Gas And Vapor Separation written by Benny D. Freeman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Science categories.
This book is based on the proceedings of the Chemistry and Materials Science of Synthetic Membranes Symposium in 1997, and includes contributions from scientists working in 18 different countries. It focuses on tailoring separation properties and control of porous membrane formation. An introductory chapter is followed by 22 articles discussing a range of topics including free volume in polymeric membrane materials, facilitated transport membranes, group contribution modeling of gas transport in polymeric membranes, and Indan-containing polymers for gas separation membranes. Distributed by Oxford. U. Press. Annotation copyrighted by Book News, Inc., Portland, OR.