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Author : Nicola Bianco
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (93 download)
Download or read book Optimal Control of Particle Size Distribution in Semi-batch Emulsion Polymerisation written by Nicola Bianco and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. V. W. de Lima
Publisher :
ISBN 13 : 9789044400618
Total Pages : 118 pages
Book Rating : 4.4/5 (6 download)
Download or read book Control of Particle Concentration and Particle Size Distribution in (semi) Batch Emulsion Polymerization written by S. V. W. de Lima and published by . This book was released on 2000 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles D. Immanuel
Publisher :
ISBN 13 :
Total Pages : 574 pages
Book Rating : 4.:/5 (528 download)
Download or read book Experimental Analysis, Mathematical Modeling and Control of Particle Size Distribution in Semi-batch Emulsion Polymerization written by Charles D. Immanuel and published by . This book was released on 2002 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alireza Hosseini
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128086300
Total Pages : 17 pages
Book Rating : 4.1/5 (28 download)
Download or read book 23 European Symposium on Computer Aided Process Engineering written by Alireza Hosseini and published by Elsevier Inc. Chapters. This book was released on 2013-06-10 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper, a new control strategy that employs a mid-course correction to control the particle size distribution in emulsion polymerization is developed. In this approach, online and infrequent measurements are used to obtain the states of the system at the mid-course of the process. Then an optimization is performed to obtain the optimal trajectory of the input from the mid-course up to the end of the process. For this optimization, a hybrid model is used. This hybrid model consists of the Fokker-Planck particle size distribution model of emulsion polymerization and a data-driven component which corrects the predictions of the Fokker-Planck model based upon the estimated states of the system at the mid-course of the process.
Author : Mehdi Rajabi-Hamane
Publisher :
ISBN 13 : 9783832263645
Total Pages : 144 pages
Book Rating : 4.2/5 (636 download)
Download or read book Modeling, Validation and Time Optimal Control of Particle Size Distribution in Emulsion Polymerization written by Mehdi Rajabi-Hamane and published by . This book was released on 2007 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles D. Immanuel
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (129 download)
Download or read book Multiobjective Hierarchical Control of Particle Size Distribution in Semi-batch Emulsion Polymerization written by Charles D. Immanuel and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sirish Shah
Publisher : Elsevier
ISBN 13 : 9780080442976
Total Pages : 540 pages
Book Rating : 4.4/5 (429 download)
Download or read book Dynamics and Control of Process Systems 2004 written by Sirish Shah and published by Elsevier. This book was released on 2005-06-10 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : Thomas Whittier Shapton
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.:/5 (297 download)
Download or read book Optimal Control of an Emulsion Polymerization Semi-batch Reactor written by Thomas Whittier Shapton and published by . This book was released on 1984 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. Paulen
Publisher : Elsevier Inc. Chapters
ISBN 13 : 012808619X
Total Pages : 16 pages
Book Rating : 4.1/5 (28 download)
Download or read book 23 European Symposium on Computer Aided Process Engineering written by R. Paulen and published by Elsevier Inc. Chapters. This book was released on 2013-06-10 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: We study dynamic optimization of a lab-scale semi-batch emulsion copolymerization reactor for styrene and butyl acrylate in the presence of n-dodecyl mercaptan as chain transfer agent (CTA). The previously developed mathematical model of the polymerization reactions is used to predict the glass transition temperature of produced polymer, the global monomer conversion, the number and weight average molecular weights, the particle size distribution, and the amount of residual monomers. This model is implemented within gPROMS environment for modeling and optimization. It is desired to compute optimal profiles of feed rate of pre-emulsioned monomers and CTA which optimize properties (quantitative as well as qualitative) of polymers produced during the reaction subject to operational conditions and constraints.
Author : Wayne F. Reed
Publisher : John Wiley & Sons
ISBN 13 : 0470917385
Total Pages : 493 pages
Book Rating : 4.4/5 (79 download)
Download or read book Monitoring Polymerization Reactions written by Wayne F. Reed and published by John Wiley & Sons. This book was released on 2014-01-21 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offers new strategies to optimize polymer reactions With contributions from leading macromolecular scientists and engineers, this book provides a practical guide to polymerization monitoring. It enables laboratory researchers to optimize polymer reactions by providing them with a better understanding of the underlying reaction kinetics and mechanisms. Moreover, it opens the door to improved industrial-scale reactions, including enhanced product quality and reduced harmful emissions. Monitoring Polymerization Reactions begins with a review of the basic elements of polymer reactions and their kinetics, including an overview of stimuli-responsive polymers. Next, it explains why certain polymer and reaction characteristics need to be monitored. The book then explores a variety of practical topics, including: Principles and applications of important polymer characterization tools, such as light scattering, gel permeation chromatography, calorimetry, rheology, and spectroscopy Automatic continuous online monitoring of polymerization (ACOMP) reactions, a flexible platform that enables characterization tools to be employed simultaneously during reactions in order to obtain a complete record of multiple reaction features Modeling of polymerization reactions and numerical approaches Applications that optimize the manufacture of industrially important polymers Throughout the book, the authors provide step-by-step strategies for implementation. In addition, ample use of case studies helps readers understand the benefits of various monitoring strategies and approaches, enabling them to choose the best one to match their needs. As new stimuli-responsive and "intelligent" polymers continue to be developed, the ability to monitor reactions will become increasingly important. With this book as their guide, polymer scientists and engineers can take full advantage of the latest monitoring strategies to optimize reactions in both the lab and the manufacturing plant.
Author : A. M. van Herk
Publisher : John Wiley & Sons
ISBN 13 : 1118638360
Total Pages : 332 pages
Book Rating : 4.1/5 (186 download)
Download or read book Chemistry and Technology of Emulsion Polymerisation written by A. M. van Herk and published by John Wiley & Sons. This book was released on 2013-05-13 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemistry and Technology of Emulsion Polymerisation 2e provides a practical and intuitive explanation of emulsion polymerization, in combination with both conventional and controlled radical polymerization. For those working in industry, coupling theory with everyday practice can be difficult. By carefully explaining the principles of the reaction, based on well-designed experimental investigation, the book explains how the principles relate to practical application. The second edition of this book includes a new chapter on morphology of latex particles, a rapidly progressing area where modelling the thermodynamic and kinetic aspects of phase separation and morphology has developed into a mature and powerful tool to predict and control morphology of latex particles. Another area that is rapidly progressing is the application of controlled radical polymerisation in emulsion polymerization. Controlled radical polymerisation is used in aiding encapsulation of inorganic particles like pigment particles and clay platelets. These latest developments are included in the second edition.
Author : Dilip M. Parikh
Publisher : CRC Press
ISBN 13 : 1000366383
Total Pages : 905 pages
Book Rating : 4.0/5 (3 download)
Download or read book Handbook of Pharmaceutical Granulation Technology written by Dilip M. Parikh and published by CRC Press. This book was released on 2021-05-11 with total page 905 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theoretical discussions covering granulation and engineering perspectives. Covers new advances in expert systems, process modelling and bioavailability Chapters on emerging technologies in particle engineering Updated Current research and developments in granulation technologies
Author : Bhavin R. Patel
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.:/5 (168 download)
Download or read book Particle Size Distribution in Isothermal Batch Emulsion Polymerization written by Bhavin R. Patel and published by . This book was released on 1987 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Iván-Dario Gil
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (892 download)
Download or read book Modeling, Simulation, Dynamic Optimization and Control of a Semibatch Emulsion Polymerization Process written by Iván-Dario Gil and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, modeling, simulation, dynamic optimization and nonlinear control of an industrial emulsion polymerization process to produce poly-vinyl acetate (PVAc) are proposed. The reaction is modeled as a two-phase system composed of an aqueous phase and a particle phase. A detailed model is used to calculate the weight average molecular weight, the number average molecular weight and the dispersity. The moments of the growing and dead chains are used to represent the state of the polymer and to calculate the molecular weight distribution (MWD). The case study corresponds to an industrial reactor operated at a chemical company in Bogotá. An industrial scale reactor (11 m3 of capacity) is simulated where a semi-batch emulsion polymerization reaction of vinyl acetate is performed. Dynamic optimization problem is solved directly using a Nonlinear Programming solver. Integration of differential equations is made using Runge-Kutta method. Three different optimization problems are solved from the more simplistic (only one control variable: reactor temperature) to the more complex (three control variables : reactor temperature, initiator flow rate and monomer flow rate) in order to minimize the reaction time. A reduction of 25% of the batch time is achieved with respect to the normal operating conditions applied at the company. The results show that is possible to minimize the reaction time while some polymer desired qualities (conversion, molecular weight and solids content) satisfy the defined constraints. A nonlinear geometric control technique by using input/output linearization is adapted to the reactor temperature control. An extended Kalman filter (EKF) is implemented to estimate unmeasured states and it is tested in different cases including a robustness study where model errors are introduced to verify its good performance. After verification of controller performance, some process changes were proposed in order to improve process productivity and polymer quality. Finally, the optimal temperature profile and optimal feed policies of the monomer and initiator, obtained in a dynamic optimization step, are used to provide the optimal set points for the nonlinear control. The results show that the nonlinear controller designed here is appropriate to follow the optimal temperature trajectories calculated previously.
Author : David Bogle
Publisher : World Scientific
ISBN 13 : 9814477354
Total Pages : 238 pages
Book Rating : 4.8/5 (144 download)
Download or read book Computer Aided Methods In Optimal Design And Operations written by David Bogle and published by World Scientific. This book was released on 2006-08-29 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers different topics on optimal design and operations with particular emphasis on chemical engineering applications. A wide range of optimization methods — deterministic, stochastic, global and hybrid — are considered.Containing papers presented at the bilateral workshop by British and Lithuanian scientists, the book brings together researchers' contributions from different fields — chemical engineering including reaction and separation processes, food and biological production, as well as business cycle optimization, bankruptcy, protein analysis and bioinformatics.
Author : Mustafa Tekin Dokucu
Publisher : ProQuest
ISBN 13 : 9780549362760
Total Pages : 354 pages
Book Rating : 4.3/5 (627 download)
Download or read book Reduced Order Methodologies for the Control of Particle Size Distribution in Emulsion Polymerization written by Mustafa Tekin Dokucu and published by ProQuest. This book was released on 2007 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emulsion polymerization has significant advantages over bulk and solution polymerization processes. These advantages result mostly from the multiphase and compartmentalized nature of the emulsion polymerization, delivering a high versatility to product qualities but adding to the complexity of the process. The control of the full particle-size distribution (PSD) in emulsion polymerization is vital for industrial applications where the target distributions are usually complex and/or multimodal. Despite the strong need, control of the full PSD presents a challenging task mainly due to the complexity of emulsion polymerization and the lack of adequate on-line measurement instrumentation. In this work, in-batch and batch-to-batch control strategies are developed for the regulation of the full PSD in semibatch emulsion copolymerization of Vinyl Acetate/Butyl Acrylate with nonionic surfactants and a redox initiator pair. These strategies are also applicable for regulation of distributions in other particulate systems governed by population balances.
