1. A bubble cap tray column with 15 trays was designed for the removal of ammonia, the pollutant, from air. The operation was performed under the ambient condition (T-20 °C and P 760 mmHg). The molar flow rate of the gas mixture (ammonia and air) entering to the column was fixed at 0.1 kmol/h. The mole ratio of ammonia in the gas mixture fed to the column was 0.6. Ammonia was separated from air by using pure water as a solvent with a molar flow rate of 0.12 kmol/h. After the equilibrium has been reached, the molar flow rate of the ammonia in the gas stream leaving the column was determined as 6.3x10-3 kmol/h. According to information given above, a) Calculate the molar flow rate of air entering the column. b) Derive the operating line equation. c) Calculate the molar flow rate of ammonia in the water leaving the column d) Calculate the ammonia removal efficiency.

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
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1. A bubble cap tray column with 15 trays was designed for the removal of
ammonia, the pollutant, from air. The operation was performed under the ambient
condition (T=20 °C and P- 760 mmHg). The molar flow rate of the gas mixture
(ammonia and air) entering to the column was fixed at 0.1 kmol/h. The mole ratio
of ammonia in the gas mixture fed to the column was 0.6. Ammonia was separated
from air by using pure water as a solvent with a molar flow rate of 0.12 kmol/h.
After the equilibrium has been reached, the molar flow rate of the ammonia in the
gas stream leaving the column was determined as 6.3x10-3 kmol/h.
According to information given above,
a) Calculate the molar flow rate of air entering the column.
b) Derive the operating line equation.
c) Calculate the molar flow rate of ammonia in the water leaving the column
d) Calculate the ammonia removal efficiency.
Transcribed Image Text:1. A bubble cap tray column with 15 trays was designed for the removal of ammonia, the pollutant, from air. The operation was performed under the ambient condition (T=20 °C and P- 760 mmHg). The molar flow rate of the gas mixture (ammonia and air) entering to the column was fixed at 0.1 kmol/h. The mole ratio of ammonia in the gas mixture fed to the column was 0.6. Ammonia was separated from air by using pure water as a solvent with a molar flow rate of 0.12 kmol/h. After the equilibrium has been reached, the molar flow rate of the ammonia in the gas stream leaving the column was determined as 6.3x10-3 kmol/h. According to information given above, a) Calculate the molar flow rate of air entering the column. b) Derive the operating line equation. c) Calculate the molar flow rate of ammonia in the water leaving the column d) Calculate the ammonia removal efficiency.
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