Design of Distillation Column Control Systems - 1st Edition - ISBN: 9780713135510, 9780080523521

Design of Distillation Column Control Systems

1st Edition

Authors: P. Buckley J. Shunta W. Luyben
Hardcover ISBN: 9780713135510
eBook ISBN: 9780080523521
Imprint: Butterworth-Heinemann
Published Date: 1st December 1985
Page Count: 576
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A distillation column is both multivariable and nonlinear - and it consumes immense quantities of energy. Yet, despite the desigh challenges it presents, it is still the most popular unit operation for refining in industrial plants today. Much has been published on the subject of distillation column design, but much remains to be explained. That is why this book is unique. In a departure from the more traditional empirical and theoretical approaches, it introduced the reader to the practical realm, by presenting quantitative design techniques that have been demonstrated to be useful and valid over the course of hundreds of actual applications.

The book is divided into three main parts. Part I, an introduction, presents an industrial perspective of control objectives. It discusses briefly the relationship between column design features and column controllability. It thus provides a short refresher course for chemical engineers and background for those trained in other branches of engineering. Part II, Concepts and Configurations, discusses column overhead and base arrangements, typical control schemes, and some hardware considerations. Part III is dedicated to quantitative design. Mathematical models are presented for pressure and differential pressure controls, liquid level control, and composition control of binary distillation.

Key Features

Emphasis on topics of primary interest to the control engineer Essentially nonmathematical treatment Ideal for those involved in troubleshooting existing columns as well to design engineers

Table of Contents

Part I - INTRODUCTION 1 Strategy for Distillation-Column Control 2 Fundamentals of Distillation Part II 3 Overhead System Arrangements 4 Column-Base and Reboiler Arrangements 5 Feed System Arrangements 6 Level Control and Feedforward Options 7 Control of Sidestream Drawoff Columns 8 Minimizing Energy Requirements 9 Application of Protective Controls to Distillation Columns 10 Indirect Composition Measurements 11 Miscellaneous Measurements and Controls Part III 12 Approaches to Quantitative Design 13 Tray Dynamics - Material Balance 14 Distillation-Column Material-Balance Control 15 Condenser and Reboiler Dynamics 16 Liquid Level Control 17 Pressure and P Control 18 Composition Dynamics - Binary Distillation 19 Calculation of Steady-State Gains 20 Composition Control - Binary Distillation 21 Sampled-Data Control of Distillation Columns


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© Butterworth-Heinemann 1985
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About the Author

P. Buckley

J. Shunta

W. Luyben