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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.
Product Details :
Genre |
: Technology & Engineering |
Author |
: Barry Azzopardi |
Publisher |
: John Wiley & Sons |
Release |
: 2011-05-12 |
File |
: 317 Pages |
ISBN-13 |
: 9781119971405 |
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Reviews and compares the major types of bioreactors, defines their pros and cons, and identifies research needs and figures of merit that have yet to be addressed Describes common modes of operation in bioreactors Covers the three common bioreactor types, including stirred-tank bioreactors, bubble column bioreactors, and airlift bioreactors Details less common bioreactors types, including fixed bed bioreactors and novel bioreactor designs Discusses advantages and disadvantages of each bioreactor and provides a procedure for optimal bioreactor selection based on current process needs Reviews the problems of bioreactor selection globally while considering all bioreactor options rather than concentrating on one specific bioreactor type
Product Details :
Genre |
: Science |
Author |
: Enes Kadic |
Publisher |
: John Wiley & Sons |
Release |
: 2014-03-14 |
File |
: 330 Pages |
ISBN-13 |
: 9781118869833 |
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BOOK EXCERPT:
Slurry bubble column reactors are intensively used as a multiphase reactor in the chemical, biochemical, and petrochemical industries for carrying out reactions and mass transfer operations in which a gas, made up of one or several reactive components, comes into contact or reacts with a liquid. This volume describes the hydrodynamics of three-phase gas-liquid-solid flow in a downflow slurry bubble column. The efficiency of the downflow gas interacting system is characterized by the self-entrainment of secondary gas. The book covers the gas entrainment phenomena, gas holdup characteristics, pressure drop, gasliquid mixing characteristics, bubble size distribution, interfacial phenomena, and the mass transfer phenomena in the downflow slurry system. This volume will be useful in chemical and biochemical industries and in industrial research and development sectors, as well as in advanced education courses in this area. The book will be helpful for further understanding the multiphase behavior in gas interacting multiphase systems for research and development. The hydrodynamic and mass transfer characteristics discussed will be useful in the design and installation of the modified slurry bubble column in industry for specific applications.
Product Details :
Genre |
: Science |
Author |
: Subrata Kumar Majumder |
Publisher |
: CRC Press |
Release |
: 2019-01-02 |
File |
: 244 Pages |
ISBN-13 |
: 9781351249850 |
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BOOK EXCERPT:
The book summarises the outcom of a priority research programme: 'Analysis, Modelling and Computation of Multiphase Flows'. The results of 24 individual research projects are presented. The main objective of the research programme was to provide a better understanding of the physical basis for multiphase gas-liquid flows as they are found in numerous chemical and biochemical reactors. The research comprises steady and unsteady multiphase flows in three frequently found reactor configurations, namely bubble columns without interiors, airlift loop reactors, and aerated stirred vessels. For this purpose new and improved measurement techniques were developed. From the resulting knowledge and data, new and refined models for describing the underlying physical processes were developed, which were used for the establishment and improvement of analytic as well as numerical methods for predicting multiphase reactors. Thereby, the development, lay-out and scale-up of such processes should be possible on a more reliable basis.
Product Details :
Genre |
: Science |
Author |
: Martin Sommerfeld |
Publisher |
: Springer Science & Business Media |
Release |
: 2012-12-06 |
File |
: 354 Pages |
ISBN-13 |
: 9783642185403 |
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BOOK EXCERPT:
Clear evidence of increasing demands in the processing industry prompted the editors and authors to publish a new book about High Pressure Process Technology: Fundamentals and Applications.This book presents the latest knowledge regarding the high pressure processing aspects combined with that about the modeling, the design and the operation of safe and reliable high pressure plants and equipment. This treatment and selection of the subjects is stimulating and unique. Consisting of nine chapters, each subdivided into several sections, the book addresses the high pressure aspects, providing well selected correlated information connected with a comprehensive overview together with a large number of references. The main body of the first eight chapters refers to subjects like high pressure in general, the thermodynamics and kinetics of the fluids involved, the design of high pressure equipment, the modeling and design of reactors, separation and fractionation units, the safety aspects, the control and economics.In the extended last chapter, examples of promising high pressure applications are explained, such as chemical and enzymatic reactions in supercritical solvents, hydrogenation under supercritical conditions, supercritical water oxidation, polymerization with metallocene catalysts, supercritical extraction, fractionation and precipitation, supercritical pharma processing, ultra-high pressure sterilization and supercritical dry-cleaning.
Product Details :
Genre |
: Science |
Author |
: A. Bertucco |
Publisher |
: Elsevier |
Release |
: 2001-10-15 |
File |
: 684 Pages |
ISBN-13 |
: 9780080533940 |
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BOOK EXCERPT:
This book presents select proceedings of Conference on Recent Trends in Fluid Dynamics Research (RTFDR-21). It signifies the current research trends in fluid dynamics and convection heat transfer for both laminar and turbulent flow structures. The topics covered include fluid mechanics and applications, microfluidics and nanofluidics, numerical methods for multiphase flows, cavitation, combustion, fluid-particle interactions in turbulence, biological flows, CFD, experimental fluid mechanics, convection heat transfer, numerical heat transfer, fluid power, experimental heat transfer, heat transfer, non-newtonian rheology, and boundary layer theory. The book also discusses various fundamental and application-based research of fluid dynamics, heat transfer, combustion, etc., by theoretical and experimental approaches. The book will be a valuable reference for beginners, researchers, and professionals interested in fluid dynamics research and allied fields.
Product Details :
Genre |
: Technology & Engineering |
Author |
: Ram P. Bharti |
Publisher |
: Springer Nature |
Release |
: 2022-01-04 |
File |
: 297 Pages |
ISBN-13 |
: 9789811669286 |
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BOOK EXCERPT:
Extensive researches in the past have shown substantial improvement and development in both the yield and the volumetric production rates of biohydrogen. Yet, for commercial-scale applications that are cost-effective, biohydrogen yields and production rates must outdo significantly the existing accomplishments. Until now, there have been no reports of a commercial-scale biohydrogen production system in the world. This chapter deals with technoeconomic evaluation, fundaments of scale-up, and pilot-scale studies to help in the setup of a commercial-scale system. The scale-up process with the key component of kinetics and hydrodynamics of a fermenter is further supported by data mining of reported pilot-scale systems.
Product Details :
Genre |
: Science |
Author |
: Biswarup Sen |
Publisher |
: Elsevier Inc. Chapters |
Release |
: 2013-06-11 |
File |
: 27 Pages |
ISBN-13 |
: 9780128083642 |
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BOOK EXCERPT:
Having gained considerable experience in process development at the Institut FranCais du PEtrole, the authors present a design framework, a review of the available means of investigation, and several examples illustrating their methodology of industrial process scale up. The salient feature of the book is the fact that it addresses a subject which is vital in view of its economic repercussions, yet relatively unknown in technical and scientific circles, due to the confidentiality surrounding it.Contents: 1. Main guidelines of the methodology. 2. Various types of model. 3. Pilot plants and mock-ups. 4. Experimental techniques. 5. Applications to industrial process development. 6. Conclusions. References. Index.
Product Details :
Genre |
: Science |
Author |
: Jean-Paul Euzen |
Publisher |
: Editions TECHNIP |
Release |
: 1993 |
File |
: 266 Pages |
ISBN-13 |
: 2710806460 |
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BOOK EXCERPT:
The sector of fine chemicals, including pharmaceuticals, agrochemicals, dyes and pigments, fragrances and flavours, intermediates, and performance chemicals is growing fast. For obvious reasons chemistry is a key to the success in developing new processes for fine chemicals. However, as a rule, chemists formulate results of their work as recipes, which usually lack important information for process development. Fine Chemicals Manufacture, Technology and Engineering is intended to show what is needed to make the recipe more useful for process development purposes and to transform the recipe into an industrial process that will be safe, environmentally friendly, and profitable.The goal of this book is to form a bridge between chemists and specialists of all other branches involved in the scale-up of new processes or modification of existing processes with both a minimum effort and risk and maximum profit when commercializing the process. New techniques for scale-up and optimization of existing processes and improvements in the utilization of process equipment that have been developed in recent years are presented in the book.
Product Details :
Genre |
: Science |
Author |
: A. Cybulski |
Publisher |
: Gulf Professional Publishing |
Release |
: 2001 |
File |
: 570 Pages |
ISBN-13 |
: 044482202X |
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BOOK EXCERPT:
Provides a comprehensive review on the brand-new development of several multiphase reactor techniques applied in energy-related processes Explains the fundamentals of multiphase reactors as well as the sophisticated applications Helps the reader to understand the key problems and solutions of clean coal conversion techniques Details the emerging processes for novel refining technology, clean coal conversion techniques, low-cost hydrogen productions and CO2 capture and storage Introduces current energy-related processes and links the basic principles of emerging processes to the features of multiphase reactors providing an overview of energy conversion in combination with multiphase reactor engineering Includes case studies of novel reactors to illustrate the special features of these reactors
Product Details :
Genre |
: Technology & Engineering |
Author |
: Yi Cheng |
Publisher |
: John Wiley & Sons |
Release |
: 2017-03-13 |
File |
: 430 Pages |
ISBN-13 |
: 9781118454695 |