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Author : J. Mazák
Publisher :
ISBN 13 : 9789061442981
Total Pages : 35 pages
Book Rating : 4.4/5 (429 download)
Download or read book Modeling of a fluidized bed reactor for ethylene polymerization written by J. Mazák and published by . This book was released on 1996 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bodo Lagemann
Publisher :
ISBN 13 :
Total Pages : 246 pages
Book Rating : 4.:/5 (89 download)
Download or read book Modelling, Simulation and Control of a Fluidized Bed Reactor for the Gas Phase Polymerization of Olefins written by Bodo Lagemann and published by . This book was released on 1989 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (953 download)
Download or read book Computational Fluid Dynamic Modeling of Fluidized-bed Polymerization Reactors written by and published by . This book was released on 2012 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polyethylene is one of the most widely used plastics, and over 60 million tons are produced worldwide every year. Polyethylene is obtained by the catalytic polymerization of ethylene in gas and liquid phase reactors. The gas phase processes are more advantageous, and use fluidized-bed reactors for production of polyethylene. Since they operate so close to the melting point of the polymer, agglomeration is an operational concern in all slurry and gas polymerization processes. Electrostatics and hot spot formation are the main factors that contribute to agglomeration in gas-phase processes. Electrostatic charges in gas phase polymerization fluidized bed reactors are known to influence the bed hydrodynamics, particle elutriation, bubble size, bubble shape etc. Accumulation of electrostatic charges in the fluidized-bed can lead to operational issues. In this work a first-principles electrostatic model is developed and coupled with a multi-fluid computational fluid dynamic (CFD) model to understand the effect of electrostatics on the dynamics of a fluidized-bed. The multi-fluid CFD model for gas-particle flow is based on the kinetic theory of granular flows closures. The electrostatic model is developed based on a fixed, size-dependent charge for each type of particle (catalyst, polymer, polymer fines) phase. The combined CFD model is first verified using simple test cases, validated with experiments and applied to a pilot-scale polymerization fluidized-bed reactor. The CFD model reproduced qualitative trends in particle segregation and entrainment due to electrostatic charges observed in experiments. For the scale up of fluidized bed reactor, filtered models are developed and implemented on pilot scale reactor.
Author : John G. Yates
Publisher : Springer
ISBN 13 : 3319395939
Total Pages : 214 pages
Book Rating : 4.3/5 (193 download)
Download or read book Fluidized-Bed Reactors: Processes and Operating Conditions written by John G. Yates and published by Springer. This book was released on 2016-09-27 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : D. Geldart
Publisher :
ISBN 13 :
Total Pages : 468 pages
Book Rating : 4.:/5 (221 download)
Download or read book Gas Fluidization Technology written by D. Geldart and published by . This book was released on 1993 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dennis Pao-Chang Lo
Publisher : Ann Arbor, Mich. : University Microfilms International
ISBN 13 :
Total Pages : 464 pages
Book Rating : 4.:/5 (89 download)
Download or read book Some Challenges in Ethylene Polymerization written by Dennis Pao-Chang Lo and published by Ann Arbor, Mich. : University Microfilms International. This book was released on 2003 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vivek V. Ranade
Publisher : Academic Press
ISBN 13 : 0125769601
Total Pages : 476 pages
Book Rating : 4.1/5 (257 download)
Download or read book Computational Flow Modeling for Chemical Reactor Engineering written by Vivek V. Ranade and published by Academic Press. This book was released on 2002 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book relates the individual aspects of chemical reactor engineering and computational flow modeling in a coherent way to explain the potential of computational flow modeling for reactor engineering research and practice.
Author : Farzaneh Rafi
Publisher :
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.:/5 (177 download)
Download or read book Mathematical Modeling of a Gas-phase Fluidized Bed Reactor for Production of Polyethylene Using Ziegler-Natta Catalysis written by Farzaneh Rafi and published by . This book was released on 1986 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Youhao Xu
Publisher : Springer Nature
ISBN 13 : 3030475832
Total Pages : 421 pages
Book Rating : 4.0/5 (34 download)
Download or read book Diameter-Transformed Fluidized Bed written by Youhao Xu and published by Springer Nature. This book was released on 2020-06-05 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book puts forward the concept of the Diameter-Transformed Fluidized Bed (DTFB): a fluidized bed characterized by the coexistence of multiple flow regimes and reaction zones, achieved by transforming the bed into several sections of different diameters. It reviews fundamental aspects, including computational fluid dynamics simulations and industrial practices in connection with DTFB. In particular, it highlights an example concerning the development of maximizing iso-paraffins (MIP) reactors for regulating complex, fluid catalytic cracking reactions in petroleum refineries. The book is a must-have for understanding how academic and industrial researchers are now collaborating in order to develop novel catalytic processes.
Author : Reza Marandi
Publisher :
ISBN 13 :
Total Pages : 151 pages
Book Rating : 4.:/5 (96 download)
Download or read book A Coupled Model for Particle Agglomeration in Poly-disperse Gas Phase Fluidized Bed Ethylene Polymerization Reactors written by Reza Marandi and published by . This book was released on 2015 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Pell
Publisher : Elsevier
ISBN 13 : 0444596623
Total Pages : 138 pages
Book Rating : 4.4/5 (445 download)
Download or read book Gas Fluidization written by M. Pell and published by Elsevier. This book was released on 2012-12-02 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a much-needed fluidization handbook for practising engineers. There are few plants which do not have a fluid bed process operating somewhere on the site, yet engineers rarely have any formal training in the subject. College courses often emphasize academic issues rather than industrial needs, and a study of the literature reveals an overwhelming abundance of correlations and experimental data.As this is a practical book, the author has minimized theoretical development of fundamental equations in favor of giving correlations which have been developed for large scale equipment. In some cases, where several correlations might apply, the author has chosen one or two which work best according to his own experience. Design procedures are described which should assist the designer and the operator of fluid beds to improve his process and to avoid some often-encountered pitfalls. The material will also be useful as a supplementary text to a course on fluidization, the emphasis on commercial design being a stimulating counterpoint to a strongly academic viewpoint.
Author : P. L. Silveston
Publisher : Butterworth-Heinemann
ISBN 13 : 0123918669
Total Pages : 793 pages
Book Rating : 4.1/5 (239 download)
Download or read book Periodic Operation of Chemical Reactors written by P. L. Silveston and published by Butterworth-Heinemann. This book was released on 2012-12-04 with total page 793 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive review, prepared by 24 experts, many of whom are pioneers of the subject, brings together in one place over 40 years of research in this unique publication. This book will assist R & D specialists, research chemists, chemical engineers or process managers harnessing periodic operations to improve their process plant performance. Periodic Operation of Reactors covers process fundamentals, research equipment and methods and provides "the state of the art" for the periodic operation of many industrially important catalytic reactions. Emphasis is on experimental results, modeling and simulation. Combined reaction and separation are dealt with, including simulated moving bed chromatographic, pressure and temperature swing and circulating bed reactors. Thus, Periodic Operation of Reactors offers readers a single comprehensive source for the broad and diverse new subject. This exciting new publication is a "must have" for any professional working in chemical process research and development. - A comprehensive reference on the fundamentals, development and applications of periodic operation - Contributors and editors include the pioneers of the subject as well as the leading researchers in the field - Covers both fundamentals and the state of the art for each operation scenario, and brings all types of periodic operation together in a single volume - Discussion is focused on experimental results rather than theoretical ones; provides a rich source of experimental data, plus process models - Accompanying website with modelling data
Author : Hugo A. Jakobsen
Publisher : Springer Science & Business Media
ISBN 13 : 3319050923
Total Pages : 1589 pages
Book Rating : 4.3/5 (19 download)
Download or read book Chemical Reactor Modeling written by Hugo A. Jakobsen and published by Springer Science & Business Media. This book was released on 2014-04-02 with total page 1589 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical Reactor Modeling closes the gap between Chemical Reaction Engineering and Fluid Mechanics. The second edition consists of two volumes: Volume 1: Fundamentals. Volume 2: Chemical Engineering Applications In volume 1 most of the fundamental theory is presented. A few numerical model simulation application examples are given to elucidate the link between theory and applications. In volume 2 the chemical reactor equipment to be modeled are described. Several engineering models are introduced and discussed. A survey of the frequently used numerical methods, algorithms and schemes is provided. A few practical engineering applications of the modeling tools are presented and discussed. The working principles of several experimental techniques employed in order to get data for model validation are outlined. The monograph is based on lectures regularly taught in the fourth and fifth years graduate courses in transport phenomena and chemical reactor modeling and in a post graduate course in modern reactor modeling at the Norwegian University of Science and Technology, Department of Chemical Engineering, Trondheim, Norway. The objective of the book is to present the fundamentals of the single-fluid and multi-fluid models for the analysis of single and multiphase reactive flows in chemical reactors with a chemical reactor engineering rather than mathematical bias. Organized into 13 chapters, it combines theoretical aspects and practical applications and covers some of the recent research in several areas of chemical reactor engineering. This book contains a survey of the modern literature in the field of chemical reactor modeling.
Author : Joao B. P. Soares
Publisher : John Wiley & Sons
ISBN 13 : 3527646965
Total Pages : 356 pages
Book Rating : 4.5/5 (276 download)
Download or read book Polyolefin Reaction Engineering written by Joao B. P. Soares and published by John Wiley & Sons. This book was released on 2013-10-02 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monomers composed of carbon and hydrogen atoms are the simple building blocks that make up polyolefins - molecules which are extremely useful and which have an extraordinary range of properties and applications. How these monomer molecules are connected in the polymer chain defines the molecular architecture of polyolefins. Written by two world-renowned authors pooling their experience from industry and academia, this book adopts a unique engineering approach using elegant mathematical modeling techniques to relate polymerization conditions, reactor and catalyst type to polyolefin properties. Readers thus learn how to design and optimize polymerization conditions to produce polyolefins with a given microstructure, and how different types of reactors and processes are used to create the different products. Aimed at polymer chemists, plastics technologists, process engineers,the plastics industry, chemical engineers, materials scientists, and company libraries.
Author : Masoud Soroush
Publisher : MDPI
ISBN 13 : 303928813X
Total Pages : 320 pages
Book Rating : 4.0/5 (392 download)
Download or read book Computational Methods for Polymers written by Masoud Soroush and published by MDPI. This book was released on 2020-12-10 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents recent advances in computational methods for polymers. It covers multiscale modeling of polymers, polymerization reactions, and polymerization processes as well as control, monitoring, and estimation methods applied to polymerization processes. It presents theoretical insights gained from multiscale modeling validated with exprimental measurements. The book consolidates new computational tools and methods developed by academic researchers in this area and presents them systematically. The book is useful for graduate students, researchers, and process engineers and managers.
Author : Jorge Jardim Zacca
Publisher :
ISBN 13 :
Total Pages : 580 pages
Book Rating : 4.:/5 (89 download)
Download or read book Distributed Parameter Modelling of the Polymerization of Olefins in Chemical Reactors written by Jorge Jardim Zacca and published by . This book was released on 1995 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Norman Epstein
Publisher : Cambridge University Press
ISBN 13 : 1139492721
Total Pages : 363 pages
Book Rating : 4.1/5 (394 download)
Download or read book Spouted and Spout-Fluid Beds written by Norman Epstein and published by Cambridge University Press. This book was released on 2010-12-23 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the pioneering text by Mathur and Epstein over 35 years ago, much of the work on this subject has been extended or superseded, producing an enormous body of scattered literature. This edited volume unifies the subject, pulling material together and underpinning it with fundamental theory to produce the only complete, up-to-date reference on all major areas of spouted bed research and practice. With contributions from internationally renowned research groups, this book guides the reader through new developments, insights and models. The hydrodynamic and reactor models of spouted and spout-fluid beds are examined, as well as such topics as particle segregation, heat and mass transfer, mixing and scale-up. Later chapters focus on drying, particle-coating and energy-related applications based on spouted and spout-fluid beds. This is a valuable resource for chemical and mechanical engineers in research and industry.
