Consider the situation illustrated in Figure P22.13. Due to downstream considerations, (P_{8}) is always maintained at (200

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Consider the situation illustrated in Figure P22.13. Due to downstream considerations, \(P_{8}\) is always maintained at \(200 \mathrm{kPa}\). It is known that \(P_{1}=100 \mathrm{kPa}\) and \(P_{4}=100 \mathrm{kPa}\), and because the feeds come from storage tanks maintained at constant pressure, they are always constant. It is also known that \(P_{3}=225 \mathrm{kPa}, P_{5}=375 \mathrm{kPa}, P_{6}=250 \mathrm{kPa}, P_{7}=225 \mathrm{kPa}\), and \(\dot{m}_{1}=15,500 \mathrm{~kg} / \mathrm{h}\). The pump curves are given by the following equations, with \(\Delta P\) in \(\mathrm{kPa}\) and \(\dot{m}\) in \(\mathrm{Mg} / \mathrm{h}\) :

Figure 22.13

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a. Calculate \(\dot{m}_{4}\) and \(\Delta P_{23}\) for this situation.

b. Sketch the pump and system curves for this situation as illustrated in Section 21. 2.1. Identify the pressure drop across the valves on the sketch.

Data from section 21.21

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Analysis Synthesis And Design Of Chemical Processes

ISBN: 9780132618120

4th Edition

Authors: Richard Turton, Richard C. Bailie, Wallace B. Whiting, Joseph A. Shaeiwitz, Debangsu Bhattacharyya

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