9. The ester of an organic base is hydrolyzed in a CSTR. The rate of this...
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9. The ester of an organic base is hydrolyzed in a CSTR. The rate of this irre- versible reaction is first-order in each reactant. The liquid volume in the vessel is 6500 L. A jacket with coolant at 18°C maintains the reactant mixture at 30°C. Additional data: Ester feed stream-1 M, 30°C, 20 L/s Base feed stream-4 M, 30°C, 10 L/s Rate constant = 10¹4 exp(-11,000/T) M¹s¹, T in K AH, = −45 kcal/mol ester The average heat capacity is approximately constant at 1.0 kcal L-¹ °C¯¹. (a) What is the conversion of ester in the reactor? (b) Calculate the rate at which energy must be removed to the jacket to maintain 30°C in the reactor. If the heat transfer coefficient is 15 kcal s¹m2K¹, what is the necessary heat transfer area? (c) If the coolant supply fails, what would be the maximum temperature the reactor could reach? 9. The ester of an organic base is hydrolyzed in a CSTR. The rate of this irre- versible reaction is first-order in each reactant. The liquid volume in the vessel is 6500 L. A jacket with coolant at 18°C maintains the reactant mixture at 30°C. Additional data: Ester feed stream-1 M, 30°C, 20 L/s Base feed stream-4 M, 30°C, 10 L/s Rate constant = 10¹4 exp(-11,000/T) M¹s¹, T in K AH, = −45 kcal/mol ester The average heat capacity is approximately constant at 1.0 kcal L-¹ °C¯¹. (a) What is the conversion of ester in the reactor? (b) Calculate the rate at which energy must be removed to the jacket to maintain 30°C in the reactor. If the heat transfer coefficient is 15 kcal s¹m2K¹, what is the necessary heat transfer area? (c) If the coolant supply fails, what would be the maximum temperature the reactor could reach?
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Related Book For
Chemistry The Central Science
ISBN: 978-0321696724
12th edition
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
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