# HW_4 - Homework Assignment 4 Due 4 pm March 11 Problem 1...

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Homework Assignment 4 - Due 4 pm March 11 Problem 1 The elementary irreversible liquid-phase reaction A + B C is carried out in a flow reactor. An equal molar feed in A and B enters at 27°C and the volumetric flow rate is 2 L/sec. Find the PFR and CSTR volumes necessary to achieve 85% conversion if the system is adiabatic. Show conversion, T and –r A as a function of volume of the PFR. Also, find the maximum inlet temperature we can use but still avoid exceeding the boiling point of the liquid (which is 550K) even with complete conversion. Finally, calculate the conversion that can be obtained in a 500 L CSTR. Additional data include: mol kcal 20 ) 273 ( H 0 A - = mol kcal 15 ) 273 ( H 0 B - = mol kcal 41 ) 273 ( H 0 C - = 3 0 A m kmol 1 . 0 C = k . mol cal 15 C C pB pA = = k . mol cal 30 C pC = K 300 @ sec . mol dm 01 . 0 k 3 = mol cal 000 , 10 E = Problem 2 The hydrolysis of propylene oxide results in the production of propylene glycol: C 3 H 6 O + H 2 O C 3 H 8 O 2 For your process, the feed consists of 1134 kg/hr propylene oxide, with an equal volumetric flowrate of propylene oxide and methanol, each of 1320 L/hr, and 0.1 wt%

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