4. A counter-flow packed absorption tower is to recover acetone from mixture gas, using water as the absorbing liquid. The tower is 1.0 m in diameter with 25 mm × 25 mm ceramic Raschig rings and the depth of packing is 5.0 m, operating at atmospheric pressure and 25°C. The flow rate of gas containing 5% acetone by volume is 2250 m³/h. The exit gas contains 0.26% acetone by volume. The outlet liquid has 60 g acetone per kilogram water. The equilibrium relationship is y = 2x. (1) Determine the height of transfer unit Hoc and volumetric mass transfer coefficient K. a. (2) Calculate the amount of acetone recovered per hour.
4. A counter-flow packed absorption tower is to recover acetone from mixture gas, using water as the absorbing liquid. The tower is 1.0 m in diameter with 25 mm × 25 mm ceramic Raschig rings and the depth of packing is 5.0 m, operating at atmospheric pressure and 25°C. The flow rate of gas containing 5% acetone by volume is 2250 m³/h. The exit gas contains 0.26% acetone by volume. The outlet liquid has 60 g acetone per kilogram water. The equilibrium relationship is y = 2x. (1) Determine the height of transfer unit Hoc and volumetric mass transfer coefficient K. a. (2) Calculate the amount of acetone recovered per hour.
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:4, A counter-flow packed absorption tower is to recover acetone from
mixture gas, using water as the absorbing liquid. The tower is 1.0 m in
diameter with 25 mm x 25 mm ceramic Raschig rings and the depth of
packing is 5.0 m, operating at atmospheric pressure and 25°C. The flow
rate of gas containing 5% acetone by volume is 2250 m³/h. The exit gas
contains 0.26% acetone by volume. The outlet liquid has 60 g acetone
per kilogram water. The equilibrium relationship is y = 2x.
(1) Determine the height of transfer unit Hog and volumetric mass
transfer coefficient K, a.
(2) Calculate the amount of acetone recovered per hour.
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