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Author : Karen Grosser
Publisher :
ISBN 13 :
Total Pages : 798 pages
Book Rating : 4.:/5 (199 download)
Download or read book Hydrodynamics and Lateral Thermal Dispersion in Trickle Bed Reactors written by Karen Grosser and published by . This book was released on 1988 with total page 798 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jacobus Gerrit Boelhouwer
Publisher :
ISBN 13 : 9789038625539
Total Pages : 190 pages
Book Rating : 4.6/5 (255 download)
Download or read book Nonsteady Operation of Trickle-bed Reactors written by Jacobus Gerrit Boelhouwer and published by . This book was released on 2001 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sodhi Vijay
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659507458
Total Pages : 88 pages
Book Rating : 4.5/5 (74 download)
Download or read book Hydrodynamics of Foaming Trickle Bed Reactors written by Sodhi Vijay and published by LAP Lambert Academic Publishing. This book was released on 2014-01 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas-liquid-solid (catalysts) reactive systems encountered in trickle bed reactors are common in chemical engineering related cocurrent gas and liquid downflow systems. Among these processes relying on trickle beds, hydrodynamics of foaming systems are less prominently explored subject despite the formation of foaming is very often in the petroleum industries. This study's aim was to demonstrate experimentally the effects of liquid and gas flow velocities, and liquid surface tension for key phenomenon like regime transition change, two-phase pressure drop, dynamic liquid hold-up and liquid axial dispersion. More than 240 experimental points for the trickle flow (GCF) and foaming pulsing flow (PF/FPF) regime were obtained for present study, revealed significant evaluations for sustainable process design especially for industrial applications.
Author : Maasoud Kaviany
Publisher : Springer Science & Business Media
ISBN 13 : 1461242541
Total Pages : 725 pages
Book Rating : 4.4/5 (612 download)
Download or read book Principles of Heat Transfer in Porous Media written by Maasoud Kaviany and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 725 pages. Available in PDF, EPUB and Kindle. Book excerpt: Convective heat tranfer is the result of fluid flowing between objects of different temperatures. Thus it may be the objective of a process (as in refrigeration) or it may be an incidental aspect of other processes. This monograph reviews in a concise and unified manner recent contributions to the principles of convective heat transfer for single- and multi-phase systems: It summarizes the role of the fundamental mechanism, discusses the governing differential equations, describes approximation schemes and phenomenological models, and examines their solutions and applications. After a review of the basic physics and thermodynamics, the book divides the subject into three parts. Part 1 deals with single-medium transfer, specifically with intraphase transfers in single-phase flows and with intramedium transfers in two-phase flows. Part 2 deals with fluid-solid transfer processes, both in cases where the interface is small and in cases where it is large, as well as liquid-liquid transfer processes. Part 3 considers three media, addressing both liquid-solid-solid and gas-liquid-solid systems.
Author : Bora Aydin
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)
Download or read book Hydrodynamics in a Trickle Bed Reactors. Steady- and Nonsteady-State Operations written by Bora Aydin and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mohammed Jaber Al-Ani
Publisher :
ISBN 13 :
Total Pages : 197 pages
Book Rating : 4.:/5 (111 download)
Download or read book Hydrodynamics of Trickle Bed Reactors (TBRS) Packed with Industrial Catalyst Using Advanced Measurement Techniques written by Mohammed Jaber Al-Ani and published by . This book was released on 2019 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The impacts of the packing characteristics on the hydrodynamics od a trickle bed reactor (TBR) have been investigated using advanced measurements techniques of Gamma-ray densitometry (GRD) and Optical fiber probe and conventional measurement techniques of high-frequency differential pressure transducer and load cell. Two different reactor sizes of bench and pilot plant scale were used. Bench-scale TBR carried out the experiments to assess phase distribution and catalyst utilization with 1.18 cm inside diameter and 72 cm length at ambient pressure and temperature. The mixture of catalyst and fine particles displayed considerable improvements in the phase distribution, liquid holdup profile, and catalyst utilization efficiency. In the pilot plant scale reactor, the catalyst shape showed a significant impact on the hydrodynamics, pressure drop, local gas and liquid velocities, and flow regime transition. The currently used trilobe and quadrilobe in hydrotreating processes showed lower pressure drop, increased liquid holdup, enhanced local gas and liquid saturation and velocities, and lower flow regime transition compared with spherical and cylindrical shapes of catalysts. Meanwhile, mechanistic model named slit model predicted the pressure drop and liquid holdup better than selected correlations where equivalent diameter is used and the bed characteristic is quantitated properly by measured Ergun constants"--Abstract, page iv.
Author : R. A. Holub
Publisher :
ISBN 13 :
Total Pages : 434 pages
Book Rating : 4.:/5 (468 download)
Download or read book Hydrodynamics of Trickle Bed Reactors written by R. A. Holub and published by . This book was released on 1990 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zeljko Kuzeljevic
Publisher :
ISBN 13 :
Total Pages : 217 pages
Book Rating : 4.:/5 (759 download)
Download or read book Hydrodynamics of Trickle Bed Reactors written by Zeljko Kuzeljevic and published by . This book was released on 2010 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this study we develop the computational and experimental tools to assist us in performance evaluation of trickle bed reactors (TBRs). The study focuses on experimental characterization of the flow distribution, and development of computational fluid dynamics (CFD) model of trickle flow. The experimental study has been performed to examine the quality of liquid phase distribution in a high pressure system. The results were provided in terms of distribution of the effluent liquid fluxes and cross-sectional liquid holdups. Their individual trends, but also their relation with respect to operating conditions was examined. Characterization of bed porosity distribution has been performed and used as the input to the computational model. The experimental study of the dependence of the extent of hysteresis on operating parameters in a high pressure TBR was performed. The extent of hysteresis was found uniquely determined by the pressure drop in the Levec prewetting mode. This fact and developed CFD model were then used to deduce conditions leading to operation with negligible hysteresis effects. Three-dimensional Eulerian CFD model is developed. Phase interaction closures are based on the film flow model, principles of statistical hydrodynamics and relative permeability concept. Model has been assessed against experimental data for liquid holdup, wetting efficiency and pressure drop hysteresis. Hydrodynamic Eulerian CFD model is then used together with species balance to examine the TBR performance for gas and liquid reactant limited systems. For each case a closed form approach of coupling bed and particle scale solution within CFD framework was presented.
Author : Patricia Marie Ginnane
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.:/5 (153 download)
Download or read book The Hydrodynamics of a Trickle Bed Reactor written by Patricia Marie Ginnane and published by . This book was released on 1984 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Barry Azzopardi
Publisher : John Wiley & Sons
ISBN 13 : 1119971403
Total Pages : 317 pages
Book Rating : 4.1/5 (199 download)
Download or read book Hydrodynamics of Gas-Liquid Reactors written by Barry Azzopardi and published by John Wiley & Sons. This book was released on 2011-05-12 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of chemical reactors and their safety are as critical to the success of a chemical process as the actual chemistry taking place within the reactor. This book provides a comprehensive overview of the practical aspects of multiphase reactor design and operation with an emphasis on safety and clean technology. It considers not only standard operation conditions, but also the problems of runaway reaction conditions and protection against ensuing over-pressure. Hydrodynamics of Multiphase Reactors addresses both practical and theoretical aspects of this topic. Initial chapters discuss various different types of gas/liquid reactors from a practical viewpoint, and later chapters focus on the modelling of multiphase systems and computational methods for reactor design and problem solving. The material is written by experts in their specific fields and will include chapters on the following topics: Multiphase flow, Bubble columns, Sparged stirred vessels, Macroscale modelling, Microscale modelling, Runaway conditions, Behaviour of vessel contents, Choked flow, Measurement techniques.
Author : Warren M. Rohsenow
Publisher : McGraw-Hill
ISBN 13 :
Total Pages : 1528 pages
Book Rating : 4.3/5 (91 download)
Download or read book Handbook of Heat Transfer written by Warren M. Rohsenow and published by McGraw-Hill. This book was released on 1998-05-22 with total page 1528 pages. Available in PDF, EPUB and Kindle. Book excerpt: This wholly revised edition of a classic handbook reference, written by some of the most eminent practitioners in the field, is designed to be your all-in-one source book on heat transfer issues and problem-solving. It includes the latest advances in the field, as well as covering subjects from microscale heat transfer to thermophysical properties of new refrigerants. An invaluable guide to this most crucial factor in virtually every industrial and environmental process.
Author : V. Tarvo
Publisher :
ISBN 13 : 9789512260119
Total Pages : pages
Book Rating : 4.2/5 (61 download)
Download or read book Literature Review on Pressure Drop, Hold-up, Hydrodynamics and Mass Transfer in Trickle-bed Reactors written by V. Tarvo and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Muthanna H. Dahhan
Publisher :
ISBN 13 :
Total Pages : 372 pages
Book Rating : 4.:/5 (298 download)
Download or read book Effects of High Pressure and Fines on the Hydrodynamics of Trickle-bed Reactors written by Muthanna H. Dahhan and published by . This book was released on 1993 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kin Mun Kan
Publisher :
ISBN 13 :
Total Pages : 630 pages
Book Rating : 4.:/5 (374 download)
Download or read book Modelling of Trickle Bed Reactors with Small Packings written by Kin Mun Kan and published by . This book was released on 1980 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Benjamin A. Wilhite
Publisher :
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (51 download)
Download or read book Pulsing-flow Regime in Trickle-bed Reactors written by Benjamin A. Wilhite and published by . This book was released on 2002 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stephen P. Zimmerman
Publisher :
ISBN 13 :
Total Pages : 322 pages
Book Rating : 4.:/5 (134 download)
Download or read book The Hydrodynamics of Trickling Flow in a Cocurrent Downflow Trickle-bed Reactor written by Stephen P. Zimmerman and published by . This book was released on 1985 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Dimenstein
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.:/5 (114 download)
Download or read book The Hydrodynamics of Pulsing Flow in a Cocurrent Downflow Trickle Bed Reactor written by David Dimenstein and published by . This book was released on 1984 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
