Example (H.W): Ammonia is to be removed from a 10 percent ammonia-air mixture by countercurrent scrubbing with water in a packed tower at 293 K so that 99 percent of the ammonia is recovered when working at a total pressure of 101.3 kN/m2. If the gas rate is 0.95 kg/m2.s of tower cross-section and the liquid rate is 0.65 kg/m2.s. Find the necessary height of .S. the tower if the absorption coefficient KoG.a = 0.0008 kmol/m2.s. kPa. The equilibrium data is: Y*=0.8 X.
Example (H.W): Ammonia is to be removed from a 10 percent ammonia-air mixture by countercurrent scrubbing with water in a packed tower at 293 K so that 99 percent of the ammonia is recovered when working at a total pressure of 101.3 kN/m2. If the gas rate is 0.95 kg/m2.s of tower cross-section and the liquid rate is 0.65 kg/m2.s. Find the necessary height of .S. the tower if the absorption coefficient KoG.a = 0.0008 kmol/m2.s. kPa. The equilibrium data is: Y*=0.8 X.
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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Transcribed Image Text:Example (H.W): Ammonia is to be removed from a 10 percent ammonia-air mixture by
countercurrent scrubbing with water in a packed tower at 293 K so that 99 percent of the
ammonia is recovered when working at a total pressure of 101.3 kN/m2. If the gas rate is 0.95
kg/m2.s of tower cross-section and the liquid rate is 0.65 kg/m2.s. Find the necessary height of
the tower if the absorption coefficient KoG.a = 0.0008 kmol/m2.s. kPa. The equilibrium data is:
Y*= 0.8 X.
Hint: Y2 = (1-Recovery) Y1
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