Fluid Transport in Nanoporous Materials
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Fluid Transport in Nanoporous Materials

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ISBN-13:
9781402043826
Einband:
Ebook
Seiten:
685
Serie:
NATO Science Series II: Mathematics, Physics and Chemistry
eBook Typ:
PDF
eBook Format:
PDF
Kopierschutz:
1 - PDF Watermark
Sprache:
Englisch
Beschreibung:

"This NATO ASI involved teachings and perspectives of the state-of-the-art in experimental and theoretical understandings of transport in nanoporous solids. This workshop brought together the top scientists and engineers in each area to discuss the similarities and differences in each technique and theory. The lectures truly bridge the gaps between these related areas and approaches. The applications in future separations, catalysis, the environment and energy needs are obvious.
The solids comprised the newly developing molecular sieves, biological systems and polymeric solids. Transport in single particles, in membranes and in commercial applications were reviewed and analyzed, placing each in context. Techniques such as uptake, Chromatographic, Frequency Response, NMR, Neutron Scattering and Infrared spectroscopies are discussed for mixtures as well as for single components. Theoretical approaches such as Density Functional Theory, Statistical Mechanics, Molecular Dynamics and Maxwell-Stefan Theory are employed to analyze the diffusional transport in confined environments, spanning from sub-nanometers to centimetre scales. In all cases the theories are related to the experiments. These lectures present a uniquq opportunity to learn the various theoretical and experimental approaches to analyze and understand transport in nanoporous materials. TOC:Preface. Lectures. Nato-asi fluid transport in nanoporous materials course ... a student's perspective and explanations from a veteran.- Transport in microporous solids: an historical perspective. Part I: Fundamental Principles and Sorption Kinetics.- Measurement of diffusion in macromolecular systems: solute diffusion in polymer systems.- Role of diffusion in applications of novel nanoporous materials and in novel uses of traditional materials.- Modeling jump diffusion in zeolites. Part I: Principles and Methods.- Adsorption, thermodynamics and molecular simulations of cyclic hydrocarbons in silicalite-1 and alpo4-5 zeolites.- Transport in microporous solids. Part II: Measurement of micropore diffusivities.- Structure-related anomalous diffusion in zeolites.- The contribution of surface diffusion to transport in nanoporous solids.- The Maxwell-Stefan formulation of diffusion in zeolites.- Sensitivity and resolution in magnetic resonance imaging of diffusive materials.- Restricted diffusion and molecular exchange processes in porous media as studied by pulsed field gradient NMR.- Vibrational spectroscopy to monitor synthesis, adsorption and diffusion in micro- and mesoporous metal phosphates.- Nitrogen-oxygen diffusion in zeolites studied by drift.- 129Xe NMR for diffusion of hydrocarbons in zeolites and 1H NMR imaging for competitive diffusion of binary mixtures of hydrocarbons in zeolites.- Diffusion in zeolites measured by neutron scattering techniques.- NMR imaging as a tool for studying mass transport in porous materials.- PFG NMR diffusion studies of nanoporous materials.- Diffusion of cyclic hydrocarbons in zeolites by frequency-response and molecular simulation methods.- Surface diffusion of liquids in disordered nanopores and materials: a field cycling relaxometry approach.- New trends on membrane science.- The ionic and molecular transport in polymeric and biological membranes on magnetic resonance data.- Molecular modeling: A complement to experiment in material research for non cryogenic gas separation technologies.- Modeling jump diffusion in zeolites. Part II. Applications.-"
Preface. Lectures. Nato-asi fluid transport in nanoporous materials course ... a student's perspective and explanations from a veteran; T.Q. Gardner, D.M. Ruthven.- Transport in microporous solids: an historical perspective. Part I: Fundamental Principles and Sorption Kinetics; D.M. Ruthven.- Measurement of diffusion in macromolecular systems: solute diffusion in polymer systems; R.L. Laurence.- Role of diffusion in applications of novel nanoporous materials and in novel uses of traditional materials; L. Sarkisov et al.- Modeling jump diffusion in zeolites. Part I: Principles and Methods; H. Ramanan, S.M. Auerbach.- Adsorption, thermodynamics and molecular simulations of cyclic hydrocarbons in silicalite-1 and alpo4-5 zeolites; L.V.C. Rees, L. Song.- Transport in microporous solids. Part II: Measurement of micropore diffusivities; D.M. Ruthven.- Structure-related anomalous diffusion in zeolites; S. Vasenkov, J. Karger.- The contribution of surface diffusion to transport in nanoporous solids; Wm. C. Conner.- The Maxwell-Stefan formulation of diffusion in zeolites; R. Krishna.- Sensitivity and resolution in magnetic resonance imaging of diffusive materials; R.H. Acosta et al.- Restricted diffusion and molecular exchange processes in porous media as studied by pulsed field gradient NMR; V. Skirda et al.- Vibrational spectroscopy to monitor synthesis, adsorption and diffusion in micro- and mesoporous metal phosphates; S. Kenane et al.- Nitrogen-oxygen diffusion in zeolites studied by drift; V.B. Kazansky.- 129Xe NMR for diffusion of hydrocarbons in zeolites and 1H NMR imaging for competitive diffusion of binary mixtures of hydrocarbons in zeolites; M.-A. Springuel-Huet.- Diffusion in zeolites measured by neutron scattering techniques; H. Jobic.- NMR imaging as a tool for studying mass transport in porous materials; I.V. Koptyug et al.- PFG NMR diffusion studies of nanoporous materials; S. Vasenkov, J. Karger.- Diffusion of cyclichydrocarbons in zeolites by frequency-response and molecular simulation methods; L.V.C. Rees, L. Song.- Surface diffusion of liquids in disordered nanopores and materials: a field cycling relaxometry approach; J.-P. Korb.- New trends on membrane science; A.M. Mendes et al.- The ionic and molecular transport in polymeric and biological membranes on magnetic resonance data; V.I. Volkov et al.- Molecular modeling: A complement to experiment in material research for non cryogenic gas separation technologies; P. Pullumbi.- Modeling jump diffusion in zeolites. Part II. Applications; S.M. Auerbach.-
The last several years have seen a dramatic increase in the synthesis of new nanoporous materials. The most promising include molecular sieves which are being developed as inorganic or polymeric systems with 0. 3-30nm in pore dimensions. These nanoporous solids have a broad spectrum of applications in chemical and biochemical processes. The unique applications of molecular sieves are based on their sorption and transport selectivity. Yet, the transport processes in nanoporous systems are not understood well. At the same time, the theoretical capabilities have increased exponentially catalyzed by increases in computational capabilities. The interactions between a diffusing species and the host solid are being studied with increasing details and realism. Further, in situ experimental techniques have been developed which give an understanding of the interactions between diffusing species and nanoporous solids that was not available even a few years ago. The time was ripe to bring together these areas of common interest and study to understand what is known and what has yet to be determined concerning transport in nanoporous solids. Molecular sieves are playing an increasing role in a broad range of industrial petrochemical and biological processes. These include shape-selective separations and catalysis as well as sensors and drug delivery. Molecular sieves are made from inorganic as well as organic solids, e. g. , polymers. They can be employed in packed beds, as membranes and as barrier materials. Initially, the applications of molecular sieves were dominated by the use of zeolites.