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Q6) An air-NH3 mixture containing 5% NH3 by volume is absorbed in water using a packed tower at 20°C and 1 atm pressure to recover 98% NH3. The gas flow rate is 1200 kg/h. m². Calculate (a) minimum mass flow rate of liquid; (b) NTU using 1.25 times the minimum liquid flow rate. The equilibrium relation is y=1.154x where x and y are expressed in mole fraction units in liquid and gas phase respectively. Given: Average molecular weight of gas- 28.25 kg/kmol

Q6) An air-NH3 mixture containing 5% NH3 by volume is absorbed in water using a packed tower at 20°C and 1 atm pressure to recover 98% NH3. The gas flow rate is 1200 kg/h. m². Calculate (a) minimum mass flow rate of liquid; (b) NTU using 1.25 times the minimum liquid flow rate. The equilibrium relation is y=1.154x where x and y are expressed in mole fraction units in liquid and gas phase respectively. Given: Average molecular weight of gas- 28.25 kg/kmol

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Q6) An air-NH3 mixture containing 5% NH3 by volume is absorbed in water using a packed. tower at 20°C and 1 atm pressure to recover 98% NH3. The gas flow rate is 1200 kg/h. m². Calculate (a) minimum mass flow rate of liquid; (b) NTU using 1.25 times the minimum liquid flow rate. The equilibrium relation is y=1.154x where x and y are expressed in mole fraction units in liquid and gas phase respectively. Given: Average molecular weight of gas- 28.25 kg/kmol
Transcribed Image Text:Q6) An air-NH3 mixture containing 5% NH3 by volume is absorbed in water using a packed. tower at 20°C and 1 atm pressure to recover 98% NH3. The gas flow rate is 1200 kg/h. m². Calculate (a) minimum mass flow rate of liquid; (b) NTU using 1.25 times the minimum liquid flow rate. The equilibrium relation is y=1.154x where x and y are expressed in mole fraction units in liquid and gas phase respectively. Given: Average molecular weight of gas- 28.25 kg/kmol
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