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Analysis, Synthesis, and Design of Chemical Processes, Fourth Edition by Debangsu Bhattacharyya, Joseph A. Shaeiwitz, Wallace B. Whiting, Richard C. Bailie, Richard Turton

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Chapter 19. Process Input/Output Models

What You Will Learn

• All chemical processes have an input-output structure.

Imagine you are in charge of operations for a portion of a chemical plant when you are informed that the pressure of a distillation column has begun to rise slowly. You know that if the pressure continues to rise, the structural integrity of the column may be in jeopardy, or that a relief valve will open and release valuable product to the stack. Both of these scenarios have serious negative consequences. In order to solve the problem without shutting down the plant, which might be very costly, it is necessary to understand how the distillation column performs in order to diagnose the problem and determine a remedy.

Dealing with ...

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