In the distillation column shown in Figure 18.10, changes in the feed composition give rise to noncondensables

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In the distillation column shown in Figure 18.10, changes in the feed composition give rise to noncondensables in the tower overhead vapor. Devise a new control scheme for the tower top pressure. It is also desired that instead of controlling the composition of the tower top product, the tower top temperature is controlled as a surrogate control obejective. Modify the existing control scheme accordingly.

Figure 18.10Feed T-1 LIC (PIC 17 28 CV-1 E-2 Set Point CV-4 E-1 (YC) (Composition) CV-5 V-1 P-1 CV-2 (LIC Steam

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Related Book For  answer-question

Analysis Synthesis And Design Of Chemical Processes

ISBN: 9780134177403

5th Edition

Authors: Richard Turton, Joseph Shaeiwitz, Debangsu Bhattacharyya, Wallace Whiting

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