Chapter 15
Plantwide Control
A process engineer is concerned about more than the control of a single loop or multiple loops associated with a single-unit operation. Of real concern is the operation of the entire plant. After studying this chapter, the reader should be able to
Develop an appreciation for some of the complexities of plantwide control.
Understand the control strategies associated with equipment/unit operations that are part of a typical chemical process plant.
Understand the “snowball effect” and how to fix a stream flow in the recycle loop to avoid it.
Understand that recycle can significantly change the process dynamics.
Understand the control and optimization hierarchy—that important operation and control decisions at different ...
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