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Author : P. V. Danckwerts
Publisher :
ISBN 13 :
Total Pages : 298 pages
Book Rating : 4.3/5 (91 download)
Download or read book Gas-liquid Reactions written by P. V. Danckwerts and published by . This book was released on 1970 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Friedrich G. Helfferich
Publisher : Elsevier
ISBN 13 : 0080535267
Total Pages : 427 pages
Book Rating : 4.0/5 (85 download)
Download or read book Kinetics of Homogeneous Multistep Reactions written by Friedrich G. Helfferich and published by Elsevier. This book was released on 2001-01-25 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses primarily the chemist and engineer in industrial research and process development, where competitive pressures put a premium on scale-up by large factors to cut development time. To be safe, such scale-up should be based on "fundamental" kinetics, that is, mathematics that reflect the elementary steps of which the reactions consist. The book forges fundamental kinetics into a practical tool by presenting new effective methods for elucidation of mechanisms and reduction of mathematical complexity without unacceptable sacrifice in accuracy.
Author : Kristin Hecht
Publisher : Western Engineering, Inc.
ISBN 13 : 0991378202
Total Pages : 160 pages
Book Rating : 4.9/5 (913 download)
Download or read book Microreactors for Gas/Liquid Reactions written by Kristin Hecht and published by Western Engineering, Inc.. This book was released on 2014-01-01 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: The widespread adoption of microreactors has been hindered by a lack of knowledge regarding rules and parameters needed for their design. This dissertation deals with the investigation of interfacial area and liquid mass transport in microreactors for gas/liquid reactions. Observations of a reduction in conversion occurring when changing from a glass laboratory device to a stainless steel process device motivated investigations into the effect of material and surface properties on the gas/liquid flow and reaction. This work takes a look inside the machined microstructures produced at the Institute for Micro Process Engineering of the Karlsruhe Institute of Technology and investigates the nature of the solid surfaces resulting from the machining process—the surface roughness and the contact angle of the resulting surface. The effect of wettability on gas/liquid flow in microreactors has been investigated in capillaries of various materials. The absorption of carbon dioxide into aqueous solutions of sodium hydroxide has been used to investigate gas/liquid flow and reaction in capillaries and in a microstructured falling film reactor. Under certain limiting assumptions depending upon the exact rates of reaction and transport, values of the interfacial area and liquid mass transport coefficient can be derived from measurements of reaction. This dissertation contributes a small step towards a better understanding of how measurements of the interfacial area and mass transfer coefficient can be performed, demonstrates why the effect of material wettability cannot be ignored, and provides a stronger basis for further work in the development of general correlations describing microstructured gas/liquid reactors.
Author : František Kaštánek
Publisher : Prentice Hall
ISBN 13 :
Total Pages : 420 pages
Book Rating : 4.3/5 (91 download)
Download or read book Chemical Reactors for Gas-liquid Systems written by František Kaštánek and published by Prentice Hall. This book was released on 1993 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originating from a research programme carried out at the Institute of Chemical Process Fundamentals, Prague, this volume aims to provide a review of current knowledge in the field of gas-liquid reactors, relating the results of theoretical studies to practical reactor design.
Author : Donald B. Keyes
Publisher : Forgotten Books
ISBN 13 : 9780484183468
Total Pages : 20 pages
Book Rating : 4.1/5 (834 download)
Download or read book Equipment for Gas-Liquid Reactions (Classic Reprint) written by Donald B. Keyes and published by Forgotten Books. This book was released on 2018-02-08 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Equipment for Gas-Liquid Reactions Equipment which is normally used for absorption Of a gas in a liquid or a fractionation of a liquid mixture will usually prove quite satisfactory for those gas-liquid reactions in which the gas is soluble in the liquid. On the other hand, the present commercial equipment has proved more or less unsatisfactory for those reactions in which the gas is practically insoluble in the liquid. It is our purpose to review briefly the various types of existing equipment which have been or might be satisfactory for gas-liquid reactions, and also to report on the development of a new type of small laboratory equipment which has certain distinct advantages over equipment previously used. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author : Yatish T. Shah
Publisher :
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.:/5 (41 download)
Download or read book Gas-liquid-solid Reactor Design written by Yatish T. Shah and published by . This book was released on 1978 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Laxmangudi Krishnamurthy Doraiswamy
Publisher : Wiley-Interscience
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.:/5 (318 download)
Download or read book Heterogeneous Reactions: Fluid-fluid-solid reactions written by Laxmangudi Krishnamurthy Doraiswamy and published by Wiley-Interscience. This book was released on 1984 with total page 408 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 : G.F. Froment
Publisher : Elsevier
ISBN 13 : 0080540295
Total Pages : 663 pages
Book Rating : 4.0/5 (85 download)
Download or read book Reaction Kinetics and the Development and Operation of Catalytic Processes written by G.F. Froment and published by Elsevier. This book was released on 2001-04-03 with total page 663 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reaction Kinetics and the Development and Operation of Catalytic Processes is a trendsetter. The Keynote Lectures have been authored by top scientists and cover a broad range of topics like fundamental aspects of surface chemistry, in particular dynamics and spillover, the modeling of reaction mechanisms, with special focus on the importance of transient experimentation and the application of kinetics in reactor design. Fundamental and applied kinetic studies are well represented. More than half of these deal with transient kinetics, a new trend made possible by recent sophisticated experimental equipment and the awareness that transient experimentation provides more information and insight into the microphenomena occurring on the catalyst surface than steady state techniques. The trend is not limited to purely kinetic studies since the great majority of the papers dealing with reactors also focus on transients and even deliberate transient operation. It is to be expected that this trend will continue and amplify as the community becomes more aware of the predictive potential of fundamental kinetics when combined with detailed realistic modeling of the reactor operation.
Author : Stavros G. Poulopoulos
Publisher : Elsevier
ISBN 13 : 9780080463667
Total Pages : 614 pages
Book Rating : 4.4/5 (636 download)
Download or read book Adsorption, Ion Exchange and Catalysis written by Stavros G. Poulopoulos and published by Elsevier. This book was released on 2006-08-23 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adsorption, Ion Exchange and Catalysis is essentially a mixture of environmental science and chemical reactor engineering. More specifically, three important heterogeneous processes, namely, adsorption, ion exchange and catalysis, are analysed, from fundamental kinetics to reactor design with emphasis on their environmental applications. In Chapter 1, the subject of air and water pollution is dealt with. Data about pollutants and emission sources are given and the treatment methods are shortly presented. In Chapter 2, the very basics and historical development of adsorption, ion exchange and catalysis are presented as well as their environmental applications. Chapter 3 is devoted to heterogeneous processes and reactor analysis. All types of reactors are described in depth and reactor modelling, hydraulics and mass/heat transfer phenomena are examined for each type of reactor. Chapters 4 and 5 are dedicated to adsorption & ion exchange and catalysis, respectively. The basic principles are presented including kinetics, equilibrium, mass/heat transfer phenomena as well as the analytical solutions of the reactor models presented in Chapter 3. In the sixth chapter, the subject of scale up is approached. The two Annexes at the end of the book contain physical properties of substances of environmental interest as well as unit conversion tables. Finally, nearly all the examples contained are based on real experimental data found in literature with environmental interest. Most of the examples consider all aspects of operation design – kinetics, hydraulics and mass transfer. * Provides basic knowledge of major environmental problems and connects them to chemical engineering
Author : H. Y. Sohn
Publisher : Elsevier
ISBN 13 : 0128164662
Total Pages : 536 pages
Book Rating : 4.1/5 (281 download)
Download or read book Fluid-Solid Reactions written by H. Y. Sohn and published by Elsevier. This book was released on 2020-08-12 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluid-Solid Reactions, Second Edition takes a detailed and thorough look at the scope of fluid-solid reaction systems, focusing on the four phenomena: external mass transfer, pore diffusion, chemical reaction, and adsorption/desorption. This completely revised new edition builds on the classic original edition through the introduction of cutting-edge new theories and applications, including the formulation and application of a new and convenient law that governs fluid-solid reaction kinetics. This book will be of primary interest to practicing engineers engaged in process research, development, and design in the many fields where fluid-solid reactions are critical to workflow and research. Fluid-solid reactions play a major role in the technology of most industrialized nations. These reactions encompass a very broad field, including the extraction of metals from their ores, the combustion of solid fuels, coal gasification, and the incineration of solid refuse. Features 50% new and revised content, arming researchers with the latest developments in the field Details a new unified approach to modeling the rates of fluid-solid reaction systems Authored by one of the world’s foremost experts on fluid-solid reactions and their applications in the field
Author : Gennadiĭ Efremovich Zaikov
Publisher :
ISBN 13 : 9781616689063
Total Pages : 282 pages
Book Rating : 4.6/5 (89 download)
Download or read book Chemical Reactions in Gas, Liquid, and Solid Phases written by Gennadiĭ Efremovich Zaikov and published by . This book was released on 2010 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jens Timmermann
Publisher : Cuvillier Verlag
ISBN 13 : 3736988753
Total Pages : 130 pages
Book Rating : 4.7/5 (369 download)
Download or read book Experimental analysis of fast reactions in gas-liquid flows written by Jens Timmermann and published by Cuvillier Verlag. This book was released on 2018-10-28 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gases have to be specifically mixed with a continuous liquid phase to perform a reaction with high yield and selectivity. The time scales of mixing are determined by the transport processes in the boundary layer close to the phase boundary and by bubble swarm turbulence. For clarification of the local mass transfer in bubbly flows, an experimental setup is developed and successfully used to investigate single rectilinear (spherical), helical (ellipsoid) and irregular rising bubbles with and without chemical reaction. Therefore, the time resolved scanning laser induced fluorescence technique is further developed and applied for the first time to bubbly flows to allow new insights in the mass transfer processes.
Author : Michael Schlüter
Publisher : Springer Nature
ISBN 13 : 3030723615
Total Pages : 642 pages
Book Rating : 4.0/5 (37 download)
Download or read book Reactive Bubbly Flows written by Michael Schlüter and published by Springer Nature. This book was released on 2021-07-29 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents experimental and numerical methods that have been developed during six years of targeted research within the DFG priority program SPP 1740, elucidating the interaction between hydrodynamics, mass transfer and transport as well as chemical reactions in bubbly flows. A special feature of this book is its focus on an interdisciplinary research approach with contributions from chemistry, mathematics and engineering sciences, providing enhanced or novel experimental methods, models and numerical simulations. This book provides fundamental knowledge to students about the current state of knowledge regarding transport processes in reactive bubbly flows as well as to scientists, emphasizing pressing research questions and further current demands for fundamental research. Engineers from the chemical industries will get valuable insights into relevant gas-liquid processes and benefit from recommendations concerning the design of gas-liquid reactors and laboratory experiments for studying the performance of gas-liquid reactions in their own lab.
Author : E. Alper
Publisher : Springer Science & Business Media
ISBN 13 : 9401569002
Total Pages : 1079 pages
Book Rating : 4.4/5 (15 download)
Download or read book Mass Transfer with Chemical Reaction in Multiphase Systems written by E. Alper and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 1079 pages. Available in PDF, EPUB and Kindle. Book excerpt: The phenomenon of "mass transfer with chemical reaction" takes place whenever one phase is brought into contact with one or more other phases not in chemical equilibrium with it. This phenomenon has industrial, biological and physiological importance. In chemical process engineering, it is encountered in both separ ation processes and reaction engineering. In some cases, a chemical reaction may deliberately be employed for speeding up the rate of mass transfer and/or for increasing the capacity of the solvent; in other cases the multiphase reaction system is a part of the process with the specific aim of product formation. Finally, in some cases, for instance "distillation with chemical reaction", both objectives are involved. Although the subject is clearly a chemical engineering undertakin~, it requires often a good understanding of other subjects, such as chemistry and fluid mechanics etc., leading to publications in diversified areas. On the other har.d, the subject has always been a major field and one of the most fruitful for chemical engineers.
Author : Wolfgang Jaeschke
Publisher : Springer Science & Business Media
ISBN 13 : 3642706274
Total Pages : 773 pages
Book Rating : 4.6/5 (427 download)
Download or read book Chemistry of Multiphase Atmospheric Systems written by Wolfgang Jaeschke and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 773 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapidly increasing interest in the problems of air pollution and source-receptor relationships has led to a significant expansion of knowledge in the field of atmospheric chemistry. In general the chemistry of atmospheric trace constituents is governed by the oxygen content of the atmosphere. Upon entering the atmosphere in a more or less reduced state, trace substances are oxidized via various pathways and the generated products are often precursors of acidic compounds. Beside oxidation processes occurring in the gas phase, gaseous compounds are often converted into solid aerosol particles. The various steps within gas-to-particle conversion are constantly interacting with condensation processes, which are caused by the tropospheric water content. Thus in addition to the gaseous state, a liquid and solid state exists within the troposphere. The solid phase consists of atmospheric conversion products or fly ash and mineral dust. The liquid phase consists of water, conversion products and soluble compounds. The chemistry occurring within this system is often referred to as hydrogeneous chemistry. The chemist interprets this term, however, more strictly as reactions which occur only at an interphase between phases. This, however, is not always what happens in the atmosphere. There are indeed heterogeneous processes such as reactions occurring on the surface of dry aerosol particles. But apart from these, we must focus as well on reactions in the homogeneous phase, which are single steps of consecutive reactions running through various phases.
Author : Laurence R. Weatherley
Publisher : Cambridge University Press
ISBN 13 : 1108421016
Total Pages : 379 pages
Book Rating : 4.1/5 (84 download)
Download or read book Intensification of Liquid–Liquid Processes written by Laurence R. Weatherley and published by Cambridge University Press. This book was released on 2020-04-16 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explore and review novel techniques for intensifying transport and reaction in liquid-liquid and related systems with this essential toolkit. Topics include discussion of the principles of process intensification, the nexus between process intensification and sustainable engineering, and the fundamentals of liquid-liquid contacting, from an expert with over forty-five years' experience in the field. Providing promising directions for investment and for new research in process intensification, in addition to a unique review of the fundamentals of the topic, this book is the perfect guide for senior undergraduate students, graduate students, developers, and research staff in chemical engineering and biochemical engineering.
