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Author : Laura Díaz Anadón
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (89 download)
Download or read book Transient Hydrodynamics and Reaction in Trickle-bed Reactors Using NMR and MRI. written by Laura Díaz Anadón and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michel Che
Publisher : John Wiley & Sons
ISBN 13 : 3527645330
Total Pages : 1313 pages
Book Rating : 4.5/5 (276 download)
Download or read book Characterization of Solid Materials and Heterogeneous Catalysts written by Michel Che and published by John Wiley & Sons. This book was released on 2012-04-16 with total page 1313 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two-volume book provides an overview of physical techniques used to characterize the structure of solid materials, on the one hand, and to investigate the reactivity of their surface, on the other. Therefore this book is a must-have for anyone working in fields related to surface reactivity. Among the latter, and because of its most important industrial impact, catalysis has been used as the directing thread of the book. After the preface and a general introduction to physical techniques by M. Che and J.C. Vedrine, two overviews on physical techniques are presented by G. Ertl and Sir J.M. Thomas for investigating model catalysts and porous catalysts, respectively. The book is organized into four parts: Molecular/Local Spectroscopies, Macroscopic Techniques, Characterization of the Fluid Phase (Gas and/ or Liquid), and Advanced Characterization. Each chapter focuses upon the following important themes: overview of the technique, most important parameters to interpret the experimental data, practical details, applications of the technique, particularly during chemical processes, with its advantages and disadvantages, conclusions.
Author : Mi Wang
Publisher : Elsevier
ISBN 13 : 1782421238
Total Pages : 773 pages
Book Rating : 4.7/5 (824 download)
Download or read book Industrial Tomography written by Mi Wang and published by Elsevier. This book was released on 2015-03-30 with total page 773 pages. Available in PDF, EPUB and Kindle. Book excerpt: Industrial Tomography: Systems and Applications thoroughly explores the important tomographic techniques of industrial tomography, also discussing image reconstruction, systems, and applications. The text presents complex processes, including the way three-dimensional imaging is used to create multiple cross-sections, and how computer software helps monitor flows, filtering, mixing, drying processes, and chemical reactions inside vessels and pipelines. Readers will find a comprehensive discussion on the ways tomography systems can be used to optimize the performance of a wide variety of industrial processes. Provides a comprehensive discussion on the different formats of tomography Includes an excellent overview of image reconstruction using a wide range of applications Presents a comprehensive discussion of tomography systems and their application in a wide variety of industrial processes
Author : Ngoc Luan Nguyen
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (838 download)
Download or read book Analysis of the Influence of the Hydrodynamics in Hydrotreating of Diesel Oil in Trickle Bed Reactors Via MRI-measurements written by Ngoc Luan Nguyen and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 676 pages
Book Rating : 4.F/5 ( download)
Download or read book Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards written by and published by . This book was released on 2007 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cecilia Vargas
Publisher :
ISBN 13 :
Total Pages : 290 pages
Book Rating : 4.:/5 (551 download)
Download or read book Study of Steady Flow Hydrodynamics in a Trickle Bed Using Nuclear Magnetic Resonance Imaging written by Cecilia Vargas and published by . This book was released on 1989 with total page 290 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 : Adeline Rachelle Klotz
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (112 download)
Download or read book Towards an Understanding of Mass Transfer and Hydrodynamics in Packed Bed Reactors Using Nuclear Magnetic Resonance written by Adeline Rachelle Klotz and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : 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 : 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 : 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 : 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 : 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 : 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 : 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 : 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:
