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.
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Für Beruf und Forschung
Research
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Höhe: 240 mm
Breite: 161 mm
Dicke: 40 mm
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978-1-4020-4380-2 (9781402043802)
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NATO-ASI FLUID TRANSPORT IN NANOPOROUS MATERIALS COURSE .a student's perspective and explanations from a veteran.- TRANSPORT IN MICROPOROUS SOLIDS: AN HISTORICAL PERPECTIVE Part I: Fundamental Principles and Sorption Kinetics.- MEASUREMENT OF DIFFUSION IN MACROMOLECULAR SYSTEMS: SOLUTE DIFFUSION IN POLYMERS SYSTEMS.- THE ROLE OF DIFFUSION IN APPLICATIONS OF NOVEL NANOPOROUS MATERIALS AND IN NOVEL USES OF TRADITIONAL MATERIALS.- MODELING JUMP DIFFUSION IN ZEOLITES: 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.- NEWTRENDS 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: II. APPLICATIONS.- DYNAMICS OF WATER SORPTION ON COMPOSITES "CaCl2IN SILICA": SINGLE GRAIN, GRANULATED BED, CONSOLIDATED LAYER.- EFFECT OF CARBONACEOUS COMPOUNDS ON DIFFUSION OF ALKANES IN 5A ZEOLITE.- APPLICATION OF INTERFERENCE AND IR MICROSCOPY FOR STUDIES OF INTRACRYSTALLINE MOLECULAR TRANSPORT IN AFI TYPE ZEOLITES.- COAL CHARACTERIZATION FOR CARBON DIOXIDE SEQUESTRATION PURPOSES.- EFFECT OF THE INTRAWALL MICROPOROSITY ON THE DIFFUSION CHARACTERIZATION OF BI-POROUS SBA-15 MATERIALS.- STRUCTURE OF A SINGLE-SPECIES-FLUID IN A SPHERICAL PORE.- CARBON MOLECULAR SIEVE MEMBRANES: CHARACTERISATION AND APPLICATION TO XENON RECYCLING.- AN EXPERIMENTAL STUDY OF THE STATE OF HEXANE IN A CONFINED GEOMETRY.- A MODEL FOR SOUND PROPAGATION IN THE PRESENCE OF MICROPOROUS SOLIDS.- MATHEMATICAL MODELLING AND RESEARCH FOR DIFFUSION PROCESSES IN MULTILAYER AND NANOPOROUS MEDIA.- NEURONAL NETWORK USED FOR INVESTIGATION OF WATER IN POLYMER GELS.- DEPENDENCE OF SELF-DIFFUSION COEFFICIENT ON GEOMETRICAL PARAMETERS OF POROUS MEDIA.
