unit operations

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Unit Operations I Fluid Flow And Mechanical Operations

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ISBN : 8196396112
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File Size : 81. 96 MB
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Unit Operations Of Particulate Solids

Author : Enrique Ortega-Rivas
ISBN : 9781439849095
Genre : Science
File Size : 54. 22 MB
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Suitable for practicing engineers and engineers in training, Unit Operations of Particulate Solids: Theory and Practice presents the unit operations in chemical engineering that involve the handling and processing of particulate solids. The first part of the book analyzes primary and secondary properties of particles and particulate systems, focusing on their characterization and the effects on selection and design of silos and conveyors. Covering the main industrial operations of dry solids processing, the second part offers insight into the operation principles of the most important technologies that handle dry solids in bulk. With an emphasis on two-phase and multiphase flow, the final part describes all of the relevant systems in industrial processes that combine two different components of the state of matter as well as technologies for separating phases by purely mechanical means. Through clear explanations of theoretical principles and practical laboratory exercises, this book provides an understanding of the behavior of powders and pulverized systems. It also helps readers develop skills for operating, optimizing, and innovating particle processing technologies and machinery in order to carry out industrial operations, such as centrifugation, filtration, and membrane separations.

Unit Operations Handbook

Author : John J. McKetta Jr
ISBN : 0824786696
Genre : Science
File Size : 88. 82 MB
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Emphasizes the design, control and functioning of various unit operations - offering shortcut methods of calculation along with computer and nomographic solution techniques. Provides practical sections on conversion to and from SI units and cost indexes for quick updating of all cost information.;This book is designed for mechanical, chemical, process design, project, and materials engineers and continuing-education courses in these disciplines.

Unit Operations

Author : Ian Bogost
ISBN : 9780262261890
Genre : Social Science
File Size : 74. 21 MB
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In Unit Operations, Ian Bogost argues that similar principles underlie both literary theory and computation, proposing a literary-technical theory that can be used to analyze particular videogames. Moreover, this approach can be applied beyond videogames: Bogost suggests that any medium -- from videogames to poetry, literature, cinema, or art -- can be read as a configurative system of discrete, interlocking units of meaning, and he illustrates this method of analysis with examples from all these fields. The marriage of literary theory and information technology, he argues, will help humanists take technology more seriously and hep technologists better understand software and videogames as cultural artifacts. This approach is especially useful for the comparative analysis of digital and nondigital artifacts and allows scholars from other fields who are interested in studying videogames to avoid the esoteric isolation of "game studies."The richness of Bogost's comparative approach can be seen in his discussions of works by such philosophers and theorists as Plato, Badiou, Zizek, and McLuhan, and in his analysis of numerous videogames including Pong, Half-Life, and Star Wars Galaxies. Bogost draws on object technology and complex adaptive systems theory for his method of unit analysis, underscoring the configurative aspects of a wide variety of human processes. His extended analysis of freedom in large virtual spaces examines Grand Theft Auto 3, The Legend of Zelda, Flaubert's Madame Bovary, and Joyce's Ulysses. In Unit Operations, Bogost not only offers a new methodology for videogame criticism but argues for the possibility of real collaboration between the humanities and information technology.

Unit Operations Ii Heat Mass Transfer

Author : Ka Gavhane
ISBN : 8196396120
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File Size : 59. 17 MB
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Introduction - Conduction - Convection - Radiation - Heat Exchange Equipments - Evaporation - Diffusion - Distillation - Gas Absorption - Liquid Liquid Extraction - Crystallisation - Drying - Appendix I Try yourself - Appendix II Thermal conductivity data - Appendix III Steam tables

Unit Operations In Environmental Engineering

Author : Robert Noyes
ISBN : 9780815519447
Genre : Technology & Engineering
File Size : 36. 44 MB
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This book discusses the practical aspects of environmental technology organized into eight chapters relating to unit operations as follows: 1. Biological Technology 2. Chemical Technology 3. Containment and Barrier Technology 4. Immobilization Technology 5. Membrane Technology 6. Physical Technology 7. Radiation and Electrical Technology 8. Thermal Destruction Technology Traditional technologies have been included, as well as those that can be considered innovative and emerging. The traditional approaches have been the most successful, as contractors are careful about bidding on some of the newer technologies. However, as regulatory requirements increase, markets will open for the innovative and emerging processes. There will be increasing pressure to break down complex waste streams, with each subsequent stream demanding separate treatment. In addition, a number of technologies have been developed by combining processes directly, or in a treatment train, and these developments are expected to assume increasing importance. However, such concerns as uncertainties due to liability, regulatory approval, price competition, and client approval have limited the application of some of these newer technologies.

Optimization Of Unit Operations

Author : Bela G. Liptak
ISBN : 0801977061
Genre : Technology & Engineering
File Size : 86. 58 MB
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This comprehensive book examines the technology and practical applications of plant multivariable envelope control. Optimize plant productivity, including air handlers, boilers, chemical reactors, chillers, clean-rooms, compressors and fans, cooling towers, heat exchangers, and pumping stations. Béla G. Lipták speaks on Post-Oil Energy Technology on the AT&T Tech Channel.

Transport Processes And Unit Operations

Author : Christie J. Geankoplis
ISBN : UOM:39015002082744
Genre : Science
File Size : 71. 38 MB
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This new third edition provides a modern, unified treatment of the basic transport processes of momentum, heat, and mass transfer, as well as a broad treatment of the unit operations of chemical engineering. Coverage includes the latest membrane separation processes; discussion of bioprocesses; comprehensive treatment of the transport processes of momentum, heat, and mass transfer; adsorption processes; and more. A useful, up-to-date reference for practicing chemical engineers, agricultural engineers, food scientists, environmental engineers, biochemical engineers, and others who work in the process industries.

Transport Processes And Unit Operations 3rd Edition Christie J Geankoplis 1993

Author : Prentice-Hall International, Inc
ISBN :
Genre : Mathematics
File Size : 42. 59 MB
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Preface In this third edition, the main objectives and the format of the first and second editions remain the same. The sections on momentum. transfer have been greatly expanded, especially in the sections covering differential equations of momentum transfer. This now allows full coverage of the transport processes of momentum, heat, and mass transfer. Also, a section on adsorption and an expanded chapter on membrane processes have been added to the unit operations sections. The field of chemical engineering involved 'with physical and physical-t::hemical changes of inorganic and organic materials, and to some extent biological materials, is overlapping more and more with the other process engineering fields of ceramic engineering, process metallurgy, agricultural food engineering, wastewater treatment (civil) engineering, and bioengineering. The principles of momentum, heat, and mass transport and the unit operations are used in these processing fields. The principles of momentum transfer and heat transfer have been taught to all engineers. The study of mass transfer has been limited primarily to chemical engineers. However, engineers in other fields have become more interested in mass transfer in gases, liquids, and solids. Since chemical and other engineering students must study so many topics today, a more unified introduction to the transport processes of momentum, heat, and mass transfer and to the applications of unit operations is provided. In this text the principles of the transport processes are covered first, and then the unit operations. To accomplish this, the text is divided into two main parts. PART 1: Transport Processes: Momentum, Heat, and Mass This part, dealing with fundamental principles, includes the following chapters: 1. Int!"oduction to Engineering Principles and Units; 2. Principles of Momentum Transfer and Overall Balances; 3. Principles of Momentum Transfer and Applications; 4. Principles of Steady-State Heat Transfer; 5. Principles of Unsteady-State Heat Transfer; 6. xi Principles of Mass Transfer; and 7. Principles of Unsteady-State and Convective Mass Transfer. PART 2: Unit Operations This part, on applications, covers the following unit operations: 8. Evaporation; 9. Drying of Process Materials; 10. Stage and Continuous Gas-Liquid Separation Processes (humidification, absorption); 1 L Vapor-Liquid Separation Processes (distillation); 12. Liquid-Liquid and Fluid-Solid Separation Processes (adsorption, ion exchange, extraction, leaching, crystallization); 13. Membrane Separation Processes (dialysis, gas separation, reverse osmosis, ultrafiltration); 14. Mechanical-Physical Separation Processes (filtration, settling, centrifugal separation, mechanical size reduction). In Chapter 1 elementary principles of mathematical and graphical methods, laws of chemistry and physics, material balances, and heat balances are reviewed. Many, especially chemical engineers, may be familiar with most of these principles and may omit all or parts of this chapter. A few topics, involved primarily with the processing of biological materials, may be omitted at the discretion of the reader or instructor: Sections 5.5, 6.4, 8.7, 9.11, and 9.12. Over 230 example or sample problems and over 500 homework problems on all topics are included in the text. Some of the homework problems are concerned with biological systems, for those readers who are especially interested in that area. This text may be used for a course of study using any of the following five suggested plans. In all plans, Chapter 1 may or may not be included. l. Study of transport processes of momentum, heat, and mass and unit operations. In this plan, most of the complete text covering the principles of the transport processes in Part 1 and the unit operations in Part 2 are covered .. This plan could be applicable primarily to chemical engineering and also to other process engineering fields in a one and one-half year course of study at the junior and/or senior level. 2. Study of transport processes of momentum, heat, and mass and selected unit operations. Only the elementary sections of Part l (the principles chapters--2, 3, 4, 5, 6, and 7) are covered, plus selected unit operations topics in Part 2 applicable to a particular field in a two-semester or three-quarter course. Those in wastewater treatment engineering, food process engineering, and process metallurgy could follow this plan. 3. Study of transport processes of momentum, heat, and mass. The purpose of this plan in a two-quarter or two-semester course is to obtain a basic understanding of the transport processes of momentum, heat, and mass transfer. This involves studying sections of the principles chapters--2, 3, 4, 5, 6, and 7 in Part l-and omitting Part 2, the applied chapters on unit operations. 4. Study of unit operations. If the reader has had courses in the transport processes of momentum, heat, and mass, Chapters 2 through 7 can be omitted and only the unit operations chapters in Part 2 studied in a one-semester or two-quarter course. This plan could be used by chemical and certain other engineers. 5. Study of mass transfer. For those such as chemical or mechanical engineers who have had momentum and heat transfer, or those who desire only a background in mass transfer in a one-quarter or one-semester course, Chapters 6, 7, and 10 would be covered. Chapters 9, 11, 12, and 13 might be covered optionally, depending on the needs of the reader. xii Preface The SI (System~ International d'Unites) system of units has been adopted by the scientific community. Because of this, the SI system of units has been adopted in this text for use in the equations, example problems, and homework problems. However, the most important equations derived in the text are also given in a dual set of units, SI and English, when different. Many example and homework problems are also given using English units. Christie J. Geankoplis

Experiments In Unit Operations And Processing Of Foods

Author : Maria Margarida Cortez Vieira
ISBN : 0387686428
Genre : Technology & Engineering
File Size : 65. 47 MB
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In chemical engineering and related fields, a unit operation is a basic step in a process. For example in milk processing, homogenization, pasteurization, chilling, and packaging are each unit operations which are connected to create the overall process. A process may have many unit operations to obtain the desired product. The book will cover many different unit operations as they apply to food processing.

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