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Ammonia is to be removed from a 10 per cent ammonia-air mixture by countercurrent scrubbing with water in a packed tower at 293 K so that 99 per cent of the ammonia is removed when working at a total pressure of 101.3 kN/m². If the gas rate is 0.95 kg/m²s of tower cross-section and the liquid rate is 0.65 kg/m²s, find the necessary height of the tower if the absorption coefficient Kga = 0.001 kmol/m’s(kN/m²) partial pressure difference. The equilibrium data are: kmol NH3/kmol water: Partial pressure NH3: (mm Hg) (kN/m²) 0.021 0.031 0.042 0.053 0.079 0.106 0.159 12.0 18.2 24.9 31.7 50.0 69.6 114.0 1.6 2.4 3.3 4.2 6.7 9.3 15.2

Ammonia is to be removed from a 10 per cent ammonia-air mixture by countercurrent scrubbing with water in a packed tower at 293 K so that 99 per cent of the ammonia is removed when working at a total pressure of 101.3 kN/m². If the gas rate is 0.95 kg/m²s of tower cross-section and the liquid rate is 0.65 kg/m²s, find the necessary height of the tower if the absorption coefficient Kga = 0.001 kmol/m’s(kN/m²) partial pressure difference. The equilibrium data are: kmol NH3/kmol water: Partial pressure NH3: (mm Hg) (kN/m²) 0.021 0.031 0.042 0.053 0.079 0.106 0.159 12.0 18.2 24.9 31.7 50.0 69.6 114.0 1.6 2.4 3.3 4.2 6.7 9.3 15.2

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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Ammonia is to be removed from a 10 per cent ammonia-air mixture by countercurrent scrubbing with water in a packed tower at 293 K so that 99 per cent of the ammonia is removed when working at a total pressure of 101.3 kN/m?. If the gas rate is 0.95 kg/m²s of tower cross-section and the liquid rate is 0.65 kg/m²s, find the necessary height of the tower if the absorption coefficient Kga = 0.001 kmol/m°s(kN/m²) partial pressure difference. The equilibrium data are: 0.021 kmol NH3/kmol water: Partial pressure NH3: (mm Hg) (kN/m²) 0.031 0.042 0.053 0.079 0.106 0.159 12.0 18.2 24.9 31.7 50.0 69.6 114.0 1.6 2.4 3.3 4.2 6.7 9.3 15.2
Transcribed Image Text:Ammonia is to be removed from a 10 per cent ammonia-air mixture by countercurrent scrubbing with water in a packed tower at 293 K so that 99 per cent of the ammonia is removed when working at a total pressure of 101.3 kN/m?. If the gas rate is 0.95 kg/m²s of tower cross-section and the liquid rate is 0.65 kg/m²s, find the necessary height of the tower if the absorption coefficient Kga = 0.001 kmol/m°s(kN/m²) partial pressure difference. The equilibrium data are: 0.021 kmol NH3/kmol water: Partial pressure NH3: (mm Hg) (kN/m²) 0.031 0.042 0.053 0.079 0.106 0.159 12.0 18.2 24.9 31.7 50.0 69.6 114.0 1.6 2.4 3.3 4.2 6.7 9.3 15.2
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