For the optimum temperature progression in a plug flow reactor in Example 9.4 (C A0 = 4
Question:
For the optimum temperature progression in a plug flow reactor in Example 9.4 (CA0 = 4 mol/liter, FA0 = 1000 mol A/min, XA0 = 0.8, T = 5°C, Tmax = 95°C) and feed and product both at 25°C, how much heating and cooling would be needed.
(a) For the feed stream?
(b) In the reactor itself?
(c) For the stream leaving the reactor?
Example 9.4
Using the optimal temperature progression in a plug flow reactor for the reaction
Transcribed Image Text:
XA 1.0 0.8 0.6 0.4 0.2 1 Optimum progression 20 -TA = 0.4 E 0.485 Feed, 25°C Equilibrium 0.34- 0.27 40 60 Temperature, °C 0 80 C A B (-rA) 1100 I Tmax = 95°C 2.5 2.0 1.5 1.0 0.5 0 Path ABCDE from Fig. E4a or E3 Total area = 0.8 0.2 0 10% of area reaches this point dXA -TA 0.4 XA = 0.405 0.6 0.8
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a To calculate the heating required for the feed stream we need to know the heat capacity of the feed and the temperature change required The heat capacity of the feed can be calculated using the foll...View the full answer
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