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Multistage separation processes are essentially the heart and soul of the petroleum, petrochemical, and chemical industries. They yield products as common as gasoline and plastics and those as specialized as medical-grade pharmaceuticals. Predicting the Performance of Multistage Separation Processes provides chemical engineers with solid information and insights into these processes. It reaches beyond fundamental principles to focus on intuitive understanding and practical interpretation. To that end, it presents numerous examples from a variety of applications, effectively demonstrating the performance of processes under varying conditions and the relationship among the different operating variables. With major advances in computational techniques for solving complex multistage separation equations, a variety of simulation programs have emerged that allow accurate and efficient prediction of multistage separation processes. These are valuable and effective tools, but are often hampered by a lack of understanding of the fundamentals and limitations of prediction techniques. The author addresses these problems and pursues a strategy that decouples the discussion of conceptual analysis and the computational techniques. Although Dr. Khoury presents mathematical methods in detail, he gives special attention to keeping the practical interpretation of the models in focus and emphasizes intuitive understanding. He applies graphical techniques and shortcut methods wherever possible and includes industrial practice heuristics about the ranges of operating variables that will work. With its updates and the addition of more than 100 new applications problems and solutions, Predicting the Performance of Multistage Separation Processes, Second Edition is ideal for a methodical study of separation processes and as a reference for the fundamental principles and shortcuts useful to the working professional.
Chemical engineer Khoury explains the performance prediction of multistage separation processes for interactions between vapor and liquids. These processes are at the heart of the petroleum, petrochemical, and chemical industries. Although mathematical models are presented in some detail, special attention is paid to the practical interpretation of the models. Industrial heuristics about what ranges of operating variables will work are also included. Annotation copyrighted by Book News, Inc., Portland, OR
The latest edition of a perennial bestseller, Multistage Separation Processes, Fourth Edition provides a clear and thorough presentation of the theoretical foundation, and understanding of the development, evaluation, design, and optimization steps of these processes, from both an academic and industrial perspective. The book's emphasis on starting
Gibbs' Entropic Paradox and Problems of Separation Processes reviews the so-called Gibb's Paradox observed during the mixing of two systems. During the last 150 years, many physicists and specialists in thermodynamics, statistical and quantum mechanics been engaged in the solution of the Gibbs paradox. Many books and journal articles have written on this topic, but a widely accepted answer is still lacking. In this book, the author reviews and analyzes all this data. Based on findings, the book formulates a different approach to this paradox and substantiates it on the basis of physical and statistical principles. The book clearly shows that entropy consists of two parts, static and dynamic. Up to now, entropy has been connected only with the process dynamics. However, the Gibbs paradox is caused by the change in the static component of entropy. Finally, the book includes examples of separation processes and how to optimize them in various fields, including biology, cosmology, crystallography and the social sciences. - Provides a precise definition of entropy and allows the formulation of criteria for optimization of separation processes - Explains the role of entropy in many processes, facilitating an in-depth analysis and understanding of complicated systems and processes - Provides solutions to scientific and applied problems in various scientific disciplines related to separation processes - Elucidates entropy's role in many separation systems
The development and implementation of a new chemical process involves much more than chemistry, materials, and equipment. It is a very complex endeavor and its success depends on the effective interactions and organization of professionals in many different positions - scientists, chemical engineers, managers, attorneys, economists, and specialists
Entropy of Complex Processes and Systems formalizes our understanding of many complex processes, including the development of the methodology of analytical computation of complex processes as applied in many industries, such as ore processing, or more generally, in areas of natural sciences. The adequacy of the results of these calculations is confirmed by numerous experimental data obtained both on pilots and industrial facilities. The book also provides a thorough analysis of the underlying physical foundations of entropy performed from new standpoints that are of interest to theoreticians studying contemporary expositions. - Provides methodologies for controlling and optimizing complex processes in branches of industry that involve transformation of materials or substances - Describes entropy as the universal characteristic of a stochastic process independent of the system - Introduces a new definition of entropy specifically related to dynamical phenomena
In this book, a new approach to the theory and practice of two-phase systems based on a global invariant – entropy, – and other invariants is formulated and experimentally confirmed. - Offers a novel approach to the study of the two-phase flows systems based on statistical mechanics and probability theory - Provides the tools for computing and modelling two-phase systems, predicts mass transfer and enables system optimization - Provides a plethora of examples in among others, separation processes, dust production, pneumatic transport, and boiling bed
Covers the fundamentals and the latest advances in computerized automation and process control, control algorithms, and specific applications essential food manufacturing processes and unit operations. This text highlights the use of efficient process control to convert from batch to continuous operation and enhance plant sanitation. It compares both established and innovative control schemes.
Critical regimes of two-phase flows with a polydisperse solid phase form the basis of such widespread industrial processes as separation of various powdery materials and minerals dressing. It is impossible to describe such complicated flows analytically. Therefore, this study concentrates on invariants experimentally revealed and theoretically grounded for such flows. This approach can be compared with the situation in gases, where in order to determine principal parameters of their state, one does not need to measure the kinetic energy and velocity of each molecule and find its contribution to the temperature and pressure. These parameters are determined in a simple way for the system on the whole. A novel conception of two-phase flows allowing the formulation of their statistical parameters is physically substantiated. On the basis of the invariants and these parameters, a comprehensive method of estimating and predicting mass transfer in such flows is developed. It is noteworthy that the presented results are mostly phenomenological. Such an approach can be successfully extended to the separation of liquids, gases and isotopes. The book is intended for students and specialists engaged in chemical technology, mineral dressing, ceramics, microelectronics, pharmacology, power generation, thermal engineering and other fields in which flows carrying solid particles are used in the technological process.
This volume contains the proceedings of the twelfth conference of the Euro pean Consortium for Mathematics in Industry. ECMI was founded in 1986 in to foster research and education in Mathematics in Industry in Europe order and these biannual conferences are the show case for ECMI's research. It is a pleasure to see that six of the plenary speakers have submitted papers for this volume. Their contributions illustrate the breadth of applica tions and the variety of mathematical and computational techniques that are embraced by ECMI. ECMI is also committed to the education of students and it is encouraging that a number of the papers are given by students. The Wacker Prize, which is offered for a Masters Level thesis on an industrial problem, always attracts excellent entries and this year's winner, Nicole Marheineke, is no exception. This is the first time that an ECMI conference has been held in Eastern Europe and the ECMI Council is very grateful to Professor Andris Buikis and his colleagues in Latvia and Lithuania for the excellent job they have done. Thanks too go to the European Union which supported 30 delegates at this conference via TMR Contract No ERBFMRXCT 97-0117 'Differential Equations in Industry and Commerce'. The final meeting of this network was held during this conference which provided a platform for network members to describe their work to a wider audience.