Practical Distillation Control

Distillation column control has been the the "Lehigh inquisition" and survived! So it subject of many, many papers over the last has been tested by the fire of both actual half century. Several books have been de­ review by a hard-nosed plant experience and voted to various aspects of the subject. The group of practically oriented skeptics. technology is quite extensive and diffuse. In selecting the authors and the topics, There are also many conflicting opinions the emphasis has been on keeping the ma­ about some of the important questions. terial practical and useful, so some subjects We hope that the collection under one that are currently of mathematical and the­ cover of contributions from many of the oretical interest, but have not been demon­ leading authorities in the field of distillation strated to have practical importance, have control will help to consolidate, unify, and not been included. clarify some of this vast technology. The The book is divided about half and half contributing authors of this book represent between methodology and specific applica­ tion examples. Chapters 3 through 14 dis­ both industrial and academic perspectives, and their cumulative experience in the area cuss techniques and methods that have of distillation control adds up to over 400 proven themselves to be useful tools in at­ tacking distillation control problems. Front Matter....Pages i-xxiii Front Matter....Pages 1-1 Introduction....Pages 3-13 Historical Perspective....Pages 14-25 Front Matter....Pages 27-27 Rigorous Modelling and Conventional Simulation....Pages 29-47 Approximate and Simplified Models....Pages 48-71 Object-Oriented Simulation....Pages 72-85 Plantwide Process Control Simulation....Pages 86-95 Identification of Distillation Systems....Pages 96-139 Selection of Controlled and Manipulated Variables....Pages 140-177 Selection of Controller Structure....Pages 178-191 Control Structures, Consistency, and Transformations....Pages 192-228 Diagonal Controller Tuning....Pages 229-247 Dynamic Matrix Control Multivariable Controllers....Pages 248-271 Distillation Expert System....Pages 272-290 Robust Control....Pages 291-309 Front Matter....Pages 311-311 Experimental Comparison of Control Structures....Pages 313-330 Industrial Experience with Double Quality Control....Pages 331-350 Control of Distillation Columns via Distributed Control Systems....Pages 351-369 Process Design and Control of Extractive Distillation....Pages 370-404 Control by Tray Temperature of Extractive Distillation....Pages 405-412 Distillation Control in a Plantwide Control Environment....Pages 413-439 Front Matter....Pages 311-311 Model-Based Control....Pages 440-450 Superfractionator Control....Pages 451-467 Control of Vapor Recompression Distillation Columns....Pages 468-491 Heat-Integrated Columns....Pages 492-507 Batch Distillation....Pages 508-528 Back Matter....Pages 529-533 Twenty-two leading authorities address a broad spectrum of techniques and perspectives, ranging from detailed modeling to advanced control schemes for complex systems. Throughout, the various authors focus on practical, realistic solutions to common control problems. General methodologies are offered in addition to actual industrial case studies. One of the first comprehensive reference works for the daily shop!