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Author : Yeong-Ning Chiou
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (115 download)
Download or read book Computer Simulation of High Pressure Polymerization of Polyethylene in Tubular Reactors written by Yeong-Ning Chiou and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rick Shin Chen
Publisher :
ISBN 13 :
Total Pages : 302 pages
Book Rating : 4.:/5 (13 download)
Download or read book Computer Simulation of a High Pressure Tubular Reactor for Ethylene Polymerization written by Rick Shin Chen and published by . This book was released on 1984 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chia-hung Chen
Publisher :
ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (76 download)
Download or read book Computer Model for Tubular High-pressure Polyethylene Reactors written by Chia-hung Chen and published by . This book was released on 1975 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wade H. Shafer
Publisher : Springer Science & Business Media
ISBN 13 : 1461534747
Total Pages : 421 pages
Book Rating : 4.4/5 (615 download)
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 34 (thesis year 1989) a total of 13,377 theses titles from 26 Canadian and 184 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 34 reports theses submitted in 1989, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author : Mothivel B. Mummudi Boopathy
Publisher :
ISBN 13 :
Total Pages : 468 pages
Book Rating : 4.:/5 (166 download)
Download or read book A Comprehensive Dynamic Model for High-pressure Tubular Low-density Polyethylene (LDPE) Reactors written by Mothivel B. Mummudi Boopathy and published by . This book was released on 2006 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Low-density polyethylene (LDPE) is a versatile polymer which is widely used both in domestic and industrial applications. About 50 % of commercial LDPE production around the world is carried out by free-radical polymerization initiated by organic peroxides in high-pressure tubular reactors. The free-radical polymerization is highly sensitive to even small changes in process conditions. As a result, the extreme pressures and temperatures in the high-pressure tubular LDPE reactor (HPTLR) present operational challenges to the plant engineer. A reliable model of the HPTLR will prove to be a valuable tool for the plant engineer in making decisions about reactor operations. In this work, a comprehensive dynamic model for the HPTLR has been developed for the prediction of reactor behavior. The model combines the power of CFD (computational fluid dynamics)-based modeling with the simplicity and intuition of CRE (chemical reaction engineering)-based micromixing models. The mathematical model is based on the finite-mode PDF (probability density function) approach to modeling turbulent reactive flows. The advantage of this approach is that the source terms in the model transport equations appear in closed form thus obviating the need for closure approximations which are common in (and the main shortcoming of) CRE-based reactor models . Some simplifying assumptions (which are found to be true in most cases of HPTLR operations) have been made, important among which is the assumption of fully-developed turbulent pipe flow. A two-environment model is used to describe micromixing. Free-radical mechanisms are considered for both LDPE polymerization reactions as well as ethylene decomposition reactions. Heat-transfer effects between the reactor tube and the coolant water jacket surrounding it are also considered. The resultant transport equations, which are convection-diffusion-reaction (CDR) -type partial differential equations, are numerically solved using a fractional time-stepping method. Model parameters have been estimated using plant data for both steady-state and dynamic behavior. Using experimental design techniques, the most influential parameters in the model have been determined. Dynamic behavior of the model under typical reactor operating conditions was studied. From our studies, we conclude that our model should prove to be an effective tool for the plant engineer in making critical plant-operation decisions.
Author : Sauro Pierucci
Publisher : Elsevier
ISBN 13 : 0444535705
Total Pages : 1373 pages
Book Rating : 4.4/5 (445 download)
Download or read book 20th European Symposium of Computer Aided Process Engineering written by Sauro Pierucci and published by Elsevier. This book was released on 2010-06-03 with total page 1373 pages. Available in PDF, EPUB and Kindle. Book excerpt: ESCAPE-20 is the most recent in a series of conferences that serves as a forum for engineers, scientists, researchers, managers and students from academia and industry to present and discuss progress being made in the area of "Computer Aided Process Engineering" (CAPE). CAPE covers computer-aided methods, algorithms and techniques related to process and product engineering. The ESCAPE-20 scientific program reflects the strategic objectives of the CAPE Working Party: to check the status of historically consolidated topics by means of their industrial application and to evaluate their emerging issues. - Includes a CD that contains all research papers and contributions - Features a truly international scope, with guest speakers and keynote talks from leaders in science and industry - Presents papers covering the latest research, key topical areas, and developments in computer-aided process engineering (CAPE)
Author : Y. A. Liu
Publisher : John Wiley & Sons
ISBN 13 : 3527843825
Total Pages : 1027 pages
Book Rating : 4.5/5 (278 download)
Download or read book Integrated Process Modeling, Advanced Control and Data Analytics for Optimizing Polyolefin Manufacturing written by Y. A. Liu and published by John Wiley & Sons. This book was released on 2023-07-25 with total page 1027 pages. Available in PDF, EPUB and Kindle. Book excerpt: Integrated Process Modeling, Advanced Control and Data Analytics for Optimizing Polyolefin Manufacturing Detailed resource on the “Why,” “What,” and “How” of integrated process modeling, advanced control and data analytics explained via hands-on examples and workshops for optimizing polyolefin manufacturing. Integrated Process Modeling, Advanced Control and Data Analytics for Optimizing Polyolefin Manufacturing discusses, as well as demonstrates, the optimization of polyolefin production by covering topics from polymer process modeling and advanced process control to data analytics and machine learning, and sustainable design and industrial practice. The text also covers practical problems, handling of real data streams, developing the right level of detail, and tuning models to the available data, among other topics, to allow for easy translation of concepts into practice. Written by two highly qualified authors, Integrated Process Modeling, Advanced Control and Data Analytics for Optimizing Polyolefin Manufacturing includes information on: Segment-based modeling of polymer processes; selection of thermodynamic methods; estimation of physical properties for polymer process modeling Reactor modeling, convergence tips and data-fit tool; free radical polymerization (LDPE, EVA and PS), Ziegler-Natta polymerization (HDPE, PP, LLPDE, and EPDM) and ionic polymerization (SBS rubber) Improved polymer process operability and control through steady-state and dynamic simulation models Model-predictive control of polyolefin processes and applications of multivariate statistics and machine learning to optimizing polyolefin manufacturing Integrated Process Modeling, Advanced Control and Data Analytics for Optimizing Polyolefin Manufacturing enables readers to make full use of advanced computer models and latest data analytics and machine learning tools for optimizing polyolefin manufacturing, making it an essential resource for undergraduate and graduate students, researchers, and new and experienced engineers involved in the polyolefin industry.
Author : Hugo de Lasa
Publisher : Springer Science & Business Media
ISBN 13 : 9400944004
Total Pages : 839 pages
Book Rating : 4.4/5 (9 download)
Download or read book Chemical Reactor Design and Technology written by Hugo de Lasa and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 839 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today's frustrations and anxieties resulting from two energy crises in only one decade, show us the problems and fragility of a world built on high energy consumption, accustomed to the use of cheap non-renewable energy and to the acceptance of eXisting imbalances between the resources and demands of countries. Despite all these stressing factors, our world is still hesitatins about the urgency of undertaking new and decisive research that could stabilize our future, Could this trend change in the near future? In our view, two different scenarios are possible. A renewed energy tension could take place with an unpredictable timing mostly related to political and economic factors, This could bring again scientists and technologists to a new state of shock and awaken our talents, A second interesting and beneficial scenario could result from the positive influence of a new generation of researchers that with or without immediate crisis, acting both in industry and academia, will face the challenge of developing technologies and processes to pave the way to a less vulnerable society, Because Chemical Reactor Design and Technology activities are at the heart of these required new technologies the timeliness of the NATO-Advanced Study Institute at the University of Western Ontario, London, was very appropriate.
Author :
Publisher : Elsevier
ISBN 13 : 0444639705
Total Pages : 3064 pages
Book Rating : 4.4/5 (446 download)
Download or read book 27th European Symposium on Computer Aided Process Engineering written by and published by Elsevier. This book was released on 2017-09-21 with total page 3064 pages. Available in PDF, EPUB and Kindle. Book excerpt: 27th European Symposium on Computer Aided Process Engineering, Volume 40 contains the papers presented at the 27th European Society of Computer-Aided Process Engineering (ESCAPE) event held in Barcelona, October 1-5, 2017. It is a valuable resource for chemical engineers, chemical process engineers, researchers in industry and academia, students, and consultants for chemical industries. - Presents findings and discussions from the 27th European Society of Computer-Aided Process Engineering (ESCAPE) event
Author :
Publisher : Elsevier
ISBN 13 : 0444538968
Total Pages : 2086 pages
Book Rating : 4.4/5 (445 download)
Download or read book 21st European Symposium on Computer Aided Process Engineering written by and published by Elsevier. This book was released on 2011-06-10 with total page 2086 pages. Available in PDF, EPUB and Kindle. Book excerpt: The European Symposium on Computer Aided Process Engineering (ESCAPE) series presents the latest innovations and achievements of leading professionals from the industrial and academic communities. The ESCAPE series serves as a forum for engineers, scientists, researchers, managers and students to present and discuss progress being made in the area of computer aided process engineering (CAPE). European industries large and small are bringing innovations into our lives, whether in the form of new technologies to address environmental problems, new products to make our homes more comfortable and energy efficient or new therapies to improve the health and well being of European citizens. Moreover, the European Industry needs to undertake research and technological initiatives in response to humanity's "Grand Challenges," described in the declaration of Lund, namely, Global Warming, Tightening Supplies of Energy, Water and Food, Ageing Societies, Public Health, Pandemics and Security. Thus, the Technical Theme of ESCAPE 21 will be "Process Systems Approaches for Addressing Grand Challenges in Energy, Environment, Health, Bioprocessing & Nanotechnologies."
Author : Nitin Hiralalsa Kolhapure
Publisher :
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.:/5 (496 download)
Download or read book Computational Fluid Dynamics for Design and Optimization of Tubular Low-density Polyethylene Reactors written by Nitin Hiralalsa Kolhapure and published by . This book was released on 2001 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results include temperature profiles, various species profiles and prediction of polymer quality with and without chain transfer mechanisms under various inlet and operating conditions, along with comparisons against pilot-plant scale data and/or comparison of various CFD techniques for accurate and efficient predictions of micromixing effects. Interesting features such as a bimodal temperature distribution and local hot-spots as well as global decomposition after an induction time or due to pulsating initiator feed are also observed under certain conditions using the full PDF simulations near critical points where instabilities occur. Considering the advantages of the two CFD methods, efforts axe also directed towards efficient combination of the two techniques in order to obtain reactor stability plots and catalyst efficiency profiles, which are extremely helpful in operational decisions as well as design of control strategies. Thus the study not only illustrates the importance of mixing effects on LDPE polymerization in tubular reactors, but also yields insight into choosing appropriate operating conditions for maximizing catalyst efficiency while controlling reactor dynamics and product quality in plant-scale tubular LDPE reactors.
Author : Sauro Pierucci
Publisher : Elsevier
ISBN 13 : 008053130X
Total Pages : 1207 pages
Book Rating : 4.0/5 (85 download)
Download or read book European Symposium on Computer Aided Process Engineering - 10 written by Sauro Pierucci and published by Elsevier. This book was released on 2000-05-10 with total page 1207 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book includes papers presented at ESCAPE-10, the 10th European Symposium on Computer Aided Process -Engineering, held in Florence, Italy, 7-10th May, 2000. The scientific program reflected two complementary strategic objectives of the 'Computer Aided Process Engineering' (CAPE) Working Party: one checked the status of historically consolidated topics by means of their industrial application and their emerging issues, while the other was addressed to opening new windows to the CAPE audience by inviting adjacent Working Parties to co-operate in the creation of the technical program.The former CAPE strategic objective was covered by the topics: Numerical Methods, Process Design and Synthesis, Dynamics & Control, Process Modeling, Simulation and Optimization.The latter CAPE strategic objective derived from the European Federation of Chemical Engineering (EFCE) promotion of scientific activities which autonomously and transversely work across the Working Parties' terms of references. These activities enhance the exchange of the know-how and knowledge acquired by different Working Parties in homologous fields. They also aim to discover complementary facets useful to the dissemination of tools and of novel procedures.As a consequence, the Working Parties 'Environmental Protection', 'Loss Prevention and Safety Promotion' and 'Multiphase Fluid Flow' were invited to assist in the organization of sessions in the area of: A Process Integrated Approach for: Environmental Benefit, Loss Prevention and Safety, Computational Fluid Dynamics. A total of 473 abstracts from all over the world were evaluated by the International Scientific Committee. Out of them 197 have been finally selected for the presentation and reported into this book. Their authors come from thirty different countries. The selection of the papers was carried out by twenty-eight international reviewers. These proceedings will be a major reference document to the scientific and industrial community and will contribute to the progress in Computer Aided Process Engineering.
Author : Y. C. Ahn
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 ( download)
Download or read book Performance Analysis of a High Pressure Polyethylene Tubular Reactor written by Y. C. Ahn and published by . This book was released on 1985 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Prasit Pornpaitoonsakul
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (797 download)
Download or read book Dynamic Analysis of Long-chain and Short-chain Branching in the Tubular High-pressure Polyethylene Reactors written by Prasit Pornpaitoonsakul and published by . This book was released on 1981 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rudolf Eggers
Publisher : John Wiley & Sons
ISBN 13 : 3527652671
Total Pages : 408 pages
Book Rating : 4.5/5 (276 download)
Download or read book Industrial High Pressure Applications written by Rudolf Eggers and published by John Wiley & Sons. This book was released on 2012-07-11 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Industrial high pressure processes open the door to many reactions that are not possible under 'normal' conditions. These are to be found in such different areas as polymerization, catalytic reactions, separations, oil and gas recovery, food processing, biocatalysis and more. The most famous high pressure process is the so-called Haber-Bosch process used for fertilizers and which was awarded a Nobel prize. Following an introduction on historical development, the current state, and future trends, this timely and comprehensive publication goes on to describe different industrial processes, including methanol and other catalytic syntheses, polymerization and renewable energy processes, before covering safety and equipment issues. With its excellent choice of industrial contributions, this handbook offers high quality information not found elsewhere, making it invaluable reading for a broad and interdisciplinary audience.
Author :
Publisher :
ISBN 13 :
Total Pages : 716 pages
Book Rating : 4.3/5 (91 download)
Download or read book Proceedings of the Summer Computer Simulation Conference written by and published by . This book was released on 1982 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.0/5 ( download)
Download or read book Master's Theses and Doctoral Dissertations in the Pure and Applied Sciences written by and published by . This book was released on 1973 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
