Fluid Diffusion In Porous Silica

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Fluid Diffusion In Porous Silica

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Author : Lowell I. McCann
language : en
Publisher:
Release Date : 1998

Fluid Diffusion In Porous Silica written by Lowell I. McCann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Fluid dynamic measurements categories.

Atomistic Simulation Of Fluid Structure And Diffusion In Functionalized Mesoporous Silica

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Author : Hamzeh Kraus
language : en
Publisher:
Release Date : 2023

Atomistic Simulation Of Fluid Structure And Diffusion In Functionalized Mesoporous Silica written by Hamzeh Kraus and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.

Liquid Phase Diffusion And Adsorption Of Pyridine In Porous Silica Alumina Pellets

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Author : David Steyn Van Vuuren
language : en
Publisher:
Release Date : 1982

Liquid Phase Diffusion And Adsorption Of Pyridine In Porous Silica Alumina Pellets written by David Steyn Van Vuuren and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.

Morphology Transport Relationships For Quantifying Hindered Diffusion In Mesoporous Silica Used In Liquid Chromatography

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Author : Janika Hochstraßer
language : en
Publisher:
Release Date : 2019

Morphology Transport Relationships For Quantifying Hindered Diffusion In Mesoporous Silica Used In Liquid Chromatography written by Janika Hochstraßer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.

Porous Materials

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Author : Kozo Ishizaki
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-27

Porous Materials written by Kozo Ishizaki 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 2013-11-27 with Technology & Engineering categories.

Approximately four million years of human history has passed. We have been using materials to make a variety of tools. The first materials used were naturally occurring materials such as animal bones, stones, wood etc.; and some of these familiar materials are porous. Porous materials are so familiar that they are sometimes forgotten or ignored. The taste experience of ice cream is created not only by adjusting ingre dients, but also by including air as an ingredient, i.e. pores that give the smooth texture of ice cream. This book is designed to describe and explain about pores, the synthesis of materials with pores (porous materials), and applications of porous materi als. This book is intended for engineers and scientists of different disciplines and specialities, and is expected to be useful in the design and synthesis of porous materials for existing as well as potential new applications. Let us rediscover pores. K. Ishizaki, S. Komameni and M. Nanko January 1998 1 Introduction 1.1 WHAT ARE POROUS MATERIALS? Porous materials are dermed as solids containing pores. Figure 1.1 shows different porous materials. Generally speaking, porous materials have a porosity of 0.2-0.95. The porosity means the fraction of pore volume to the total volume. Porous materials have been used in various applications from daily necessities, such as purifying drinking water by activated carbon or porous ceramics, to uses in modern industries, for example removing dusts from high purity process gases for semiconductor production.

Transport Of Fluids In Nanoporous Materials

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Author : Suresh K. Bhatia
language : en
Publisher: MDPI
Release Date : 2019-01-25

Transport Of Fluids In Nanoporous Materials written by Suresh K. Bhatia and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-25 with Chemical engineering categories.

This book is a printed edition of the Special Issue "Transport of Fluids in Nanoporous Materials" that was published in Processes

Adsorption And Diffusion In Nanoporous Materials

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Author : Rolando M.A. Roque-Malherbe
language : en
Publisher: CRC Press
Release Date : 2007-03-05

Adsorption And Diffusion In Nanoporous Materials written by Rolando M.A. Roque-Malherbe and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-03-05 with Science categories.

As nanomaterials get smaller, their properties increasingly diverge from their bulk material counterparts. Written from a materials science perspective, Adsorption and Diffusion in Nanoporous Materials describes the methodology for using single-component gas adsorption and diffusion measurements to characterize nanoporous solids. Concise, yet comprehensive, the book covers both equilibrium adsorption and adsorption kinetics in dynamic systems in a single source. It presents the theoretical and mathematical tools for analyzing microporosity, kinetics, thermodynamics, and transport processes of the adsorbent surface. Then it examines how these measurements elucidate structural and morphological characteristics of the materials. Detailed descriptions of the phenomena include diagrams, essential equations, and fully derived, concrete examples based on the author's own research experiences and insight. The book contains chapters on statistical physics, dynamic adsorption in plug flow bed reactors, and the synthesis and modification of important nanoporous materials. The final chapter covers the principles and applications of adsorption for multicomponent systems in the liquid phase. Connecting recent advances in adsorption characterization with developments in the transport and diffusion of nanoporous materials, this book is ideal for scientists involved in the research, development, and applications of new nanoporous materials.

Multiscale Analysis Of Transport In Porous Media

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Author : Khac Long Nguyen
language : en
Publisher:
Release Date : 2019

Multiscale Analysis Of Transport In Porous Media written by Khac Long Nguyen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.

The correlation of the structural parameters with the transfer properties of a fluid through a porous media is a significant subject in physics, chemistry, geology, and engineering. The architectural parameters such as porosity and pore size distribution do not describe the complexity of most porous organizations consisting of labyrinths of interconnected pores with random shapes and cross-sections. This complexity is described by a parameter called tortuosity. The apparent total and particle tortuosities are determined by electrical measurements or the analysis of the peak shape of chromatographic probes. In the latter case, the particle tortuosity of silica is calculated from effective intraparticle diffusion coefficient determined by modelling the chromatographic peak broadening of polystyrenes obtained either in dynamic or in static conditions under non-adsorbing conditions by using the solvent tetrahydrofuran (THF). In dynamic conditions, the constant term in the van Deemter equation is a combined contribution of eddy diffusion and polydispersity of the polystyrenes and depends on the size of the molecule. The broad pore size distribution of totally porous silica contributes also to the spreading of the peak. The transport of polystyrenes through silica columns has also been studied in adsorbing conditions by changing the solvent. With the mixture of n-Heptane and THF, one obtains many peaks for a polystyrene sample due to the polydispersity of the polystyrene. In fact, the adsorption increases with the molecular weight of the polystyrenes. The surface diffusion of polystyrene decreases with an increase in the retention factor.

Porous Silica

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Author : KK Unger
language : en
Publisher: Elsevier
Release Date : 1979-01-01

Porous Silica written by KK Unger and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979-01-01 with Science categories.

Porous Silica

Retention Diffusion And Release Of Flavor Molecules From Porous Silica Sol Gel Made Particles

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Author : Susanne Regine Veith
language : en
Publisher:
Release Date : 2004

Retention Diffusion And Release Of Flavor Molecules From Porous Silica Sol Gel Made Particles written by Susanne Regine Veith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.