Transport Processes In Fluidized Bed Reactors

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Transport Processes In Fluidized Bed Reactors

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Author : L. K. Doraiswamy
language : en
Publisher: South Asia Books
Release Date : 1988

Transport Processes In Fluidized Bed Reactors written by L. K. Doraiswamy and has been published by South Asia Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Fluidization categories.

Transport In Fluidized Particle Systems

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Author : Laxmangudi Krishnamurthy Doraiswamy
language : en
Publisher: Elsevier Publishing Company
Release Date : 1989

Transport In Fluidized Particle Systems written by Laxmangudi Krishnamurthy Doraiswamy and has been published by Elsevier Publishing Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Science categories.

Transport Processes in Engineering is a new multidisciplinary series of books intended to provide, in an integrated fashion, authoritative and timely coverage of selected topics in fluid mechanics, heat and mass transfer. The series will publish edited works on coherent themes of current and potential application as well as monographs and advanced reference works for researchers, advanced students, practicing engineers and applied scientists. This first volume covers transport processes in several major areas of application of fluidized-bed contactors. It does not attempt to achieve an exhaustive treatment of its subject, rather it includes areas which constitute important non-conventional applications of fluidized-bed systems, offering something new even to those already well-versed in fluidization technology. The book will be of interest to engineers and technologists in the chemical, agricultural, food, mechanical, metallurgical, mineral processing and energy engineering areas with an interest in current or potential applications involving conventional and/or modified fluidized beds.

Fluidized Bed Reactors Processes And Operating Conditions

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Author : John G. Yates
language : en
Publisher: Springer
Release Date : 2016-09-27

Fluidized Bed Reactors Processes And Operating Conditions written by John G. Yates and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-27 with Science categories.

The fluidized-bed reactor is the centerpiece of industrial fluidization processes. This book focuses on the design and operation of fluidized beds in many different industrial processes, emphasizing the rationale for choosing fluidized beds for each particular process. The book starts with a brief history of fluidization from its inception in the 1940’s. The authors present both the fluid dynamics of gas-solid fluidized beds and the extensive experimental studies of operating systems and they set them in the context of operating processes that use fluid-bed reactors. Chemical engineering students and postdocs as well as practicing engineers will find great interest in this book.

Transport Processes In Chemically Reacting Flow Systems

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Author : Daniel E. Rosner
language : en
Publisher: Butterworth-Heinemann
Release Date : 2013-10-22

Transport Processes In Chemically Reacting Flow Systems written by Daniel E. Rosner and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.

Transport Processes in Chemically Reacting Flow Systems discusses the role, in chemically reacting flow systems, of transport processes—particularly the transport of momentum, energy, and (chemical species) mass in fluids (gases and liquids). The principles developed and often illustrated here for combustion systems are important not only for the rational design and development of engineering equipment (e.g., chemical reactors, heat exchangers, mass exchangers) but also for scientific research involving coupled transport processes and chemical reaction in flow systems. The book begins with an introduction to transport processes in chemically reactive systems. Separate chapters cover momentum, energy, and mass transport. These chapters develop, state, and exploit useful quantitative ""analogies"" between these transport phenomena, including interrelationships that remain valid even in the presence of homogeneous or heterogeneous chemical reactions. A separate chapter covers the use of transport theory in the systematization and generalization of experimental data on chemically reacting systems. The principles and methods discussed are then applied to the preliminary design of a heat exchanger for extracting power from the products of combustion in a stationary (fossil-fuel-fired) power plant. The book has been written in such a way as to be accessible to students and practicing scientists whose background has until now been confined to physical chemistry, classical physics, and/or applied mathematics.

Transport Processes In Bubbles Drops And Particles

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Author : Daniel DeKee
language : en
Publisher: CRC Press
Release Date : 2002-06-14

Transport Processes In Bubbles Drops And Particles written by Daniel DeKee and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-06-14 with Science categories.

Describes the advances in the transport phenomena of particles, drops and bubbles in complex fluids. This book contains contributions from experts in areas such as particle deposition in membranes, flow of granular mixtures, food suspensions, foams, electro kinetic and thermo capillary driven flows, and two-phase flows.

Transport Phenomena In Multiphase Systems

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Author : Hamid Arastoopour
language : en
Publisher: Springer Nature
Release Date : 2021-08-21

Transport Phenomena In Multiphase Systems written by Hamid Arastoopour and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-08-21 with Technology & Engineering categories.

This volume fills the need for a textbook presenting basic governing and constitutive equations, followed by several engineering problems on multiphase flow and transport that are not provided in current advanced texts, monographs, or handbooks. The unique emphasis of this book is on the sound formulation of the basic equations describing multiphase transport and how they can be used to design processes in selected industrially important fields. The clear underlying mathematical and physical bases of the interdisciplinary description of multiphase flow and transport are the main themes, along with advances in the kinetic theory for particle flow systems. The book may be used as an upper-level undergraduate or graduate textbook, as a reference by professionals in the design of processes that deal with a variety of multiphase systems, and by practitioners and experts in multiphase science in the area of computational fluid dynamics (CFD) at U.S. national laboratories, international universities, research laboratories and institutions, and in the chemical, pharmaceutical, and petroleum industries. Distinct from other books on multiphase flow, this volume shows clearly how the basic multiphase equations can be used in the design and scale-up of multiphase processes. The authors represent a combination of nearly two centuries of experience and innovative application of multiphase transport representing hundreds of publications and several books. This book serves to encapsulate the essence of their wisdom and insight, and:

Computational Transport Phenomena Of Fluid Particle Systems

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Author : Hamid Arastoopour
language : en
Publisher: Springer
Release Date : 2016-12-25

Computational Transport Phenomena Of Fluid Particle Systems written by Hamid Arastoopour and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-25 with Science categories.

This book concerns the most up-to-date advances in computational transport phenomena (CTP), an emerging tool for the design of gas-solid processes such as fluidized bed systems. The authors examine recent work in kinetic theory and CTP and illustrate gas-solid processes’ many applications in the energy, chemical, pharmaceutical, and food industries. They also discuss the kinetic theory approach in developing constitutive equations for gas-solid flow systems and how it has advanced over the last decade as well as the possibility of obtaining innovative designs for multiphase reactors, such as those needed to capture CO2 from flue gases. Suitable as a concise reference and a textbook supplement for graduate courses, Computational Transport Phenomena of Gas-Solid Systems is ideal for practitioners in industries involved with the design and operation of processes based on fluid/particle mixtures, such as the energy, chemicals, pharmaceuticals, and food processing.

Advances In Transport Processes

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Author : A.S. Mujumdar
language : en
Publisher: Elsevier
Release Date : 2013-10-22

Advances In Transport Processes written by A.S. Mujumdar and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.

The subject matter covered in this volume covers a wide scope. It contains critical reviews in many frontier areas of interest to engineers and applied scientists. Multiphase transport ranging from floc breakage to flow through multiphase media is discussed. Difficult problems of bubble growth and devolatilisation from polymeric melts are treated. The question of solid-liquid phase change with flow is considered and the emerging quantitation of web drying technology through mathematical modeling is covered. Transport phenomena in high-tech materials ranging from zeolite catalysts to liquid crystalline materials are covered and formidable problems of transport of gases in porous media, which have implications in many different technologies, are also addressed. Finally, applications of newer techniques in numerical computation of transport processes are highlighted. These authorative, evaluative and timely reviews of topics of current and potential interest will serve the needs of practising engineers as well as academic and industrial researchers.

Computational Study On Biomass Fast Pyrolysis

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Author : Emilio Ramirez (Chemical engineer)
language : en
Publisher:
Release Date : 2019

Computational Study On Biomass Fast Pyrolysis written by Emilio Ramirez (Chemical engineer) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Biomass chemicals categories.

Fluidized bed reactors are utilized in a wide range of chemical industries, including petroleum refining, pharmaceutical and commodity chemicals production, and biomass conversion to fuels and higher-value chemicals. Such reactors are useful where multiple fluids (gases or liquids) and particulate solids are brought together in intimate contact to promote heat and mass transfer and chemical reactions. Recently fluidized-bed research includes computational simulations that provide new insights into the dominant physics and chemistry processes that control reactor performance. Computational simulations were utilized to understand how bubbling-bed hydrodynamics and fast-pyrolysis chemistry interact to control biomass pyrolysis reactor performance. The scope of this work is limited to bubbling bed conditions, designed and operated for lab scale studies of biomass fast pyrolysis, in a bed of inert Geldart Group B sand. Biomass particulates are injected near the bottom of the reactor and rapidly heated to release volatile compounds. The devolatilized biomass particles (char) and released volatile gases transit through the bed (at time scales depending on the hydrodynamic mixing state) and elutriate from the top of the reactor. The bubbling-bed hydrodynamics were simulated with MFiX, an open- source software package based on the two-fluid (continuum) approach for representing the bubbling bed multiphase flows. Processes of interest included the transport of biomass char and released volatile gases, and how these change with fluidizing gas flow, low-intensity bubbling, to slugging, to high- intensity turbulence. A key observation is that fast-pyrolysis tar yield can be increased by reducing the residence time in the freeboard by shortening the freeboard length or by adding secondary air. Also, of interest was how these transport processes are expected to affect the selectivity of product species exiting the top of the reactor. One promising concept for monitoring hydrodynamics in bubbling bed reactors are high- speed pressure measurements to quantify key mixing and transport properties. Computational simulations were utilized to identify quantitative statistical features in high-speed pressure measurements in the upper section of the bed, below the static bed height, to use as process monitoring tools. Other promising directions were identified for future experimental and computational studies.

Fluidized Bed Reactors

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Author : Kristian Beike
language : en
Publisher:
Release Date : 2020-04-24

Fluidized Bed Reactors written by Kristian Beike and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-24 with Fluidized reactors categories.

This compilation presents the main results reported in literature regarding the application of the fluidized bed reactor in the fermentative production of hydrogen using different synthetic and complex substrates, such as: glucose, sucrose, xylose, sugarcane vinasse, cheese whey, cassava wastewater and glycerin.Additionally, the results of studies on the dry torrefaction process of various types of fluidized bed biomass in an inert gas medium are presented, as well as the results of studies on torrefaction in a fluidized bed in a gas medium, which produces a mixture of inert gas and oxygen.Using a fluidized bed reactor for activated carbon production, the effect of various process parameters such as particle size, fluidizing velocity, process time, static bed height, activation temperature and fluidizing medium are studied.The authors propose that the development and implementation of the suspended bed reactor is the most reasonable means to achieve promising catalytic hydrogenation.