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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.
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
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