Benzene is absorbed from a stream of air into a non-volatile oil in a countercurrent packed tower at 299 K and 105 kPa. The equilibrium is approximately linear, y = 0.19.x. The solvent (mol. wt. = 240) enters the column at a rate of 8500 kg/h.m2 . Terminal concentrations of benzene in the liquid and the gas phases are: x = 0.0008, y = 0.0005 at the top, and x = 0.152, y = 0.038 at the bottom. The heights of individual gas and liquid phase transfer units are
Benzene is absorbed from a stream of air into a non-volatile oil in a countercurrent packed tower at 299 K and 105 kPa. The equilibrium is approximately linear, y = 0.19.x. The solvent (mol. wt. = 240) enters the column at a rate of 8500 kg/h.m2 . Terminal concentrations of benzene in the liquid and the gas phases are: x = 0.0008, y = 0.0005 at the top, and x = 0.152, y = 0.038 at the bottom. The heights of individual gas and liquid phase transfer units are
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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Benzene is absorbed from a stream of air into a non-volatile oil in a countercurrent packed
tower at 299 K and 105 kPa. The equilibrium is approximately linear, y = 0.19.x. The solvent (mol. wt. = 240)
enters the column at a rate of 8500 kg/h.m2
. Terminal concentrations of benzene in the liquid and the gas
phases are: x = 0.0008, y = 0.0005 at the top, and x = 0.152, y = 0.038 at the bottom. The heights of
individual gas and liquid phase transfer units are HtG = 0.33 m and HtL = 0.43 m. Calculate (a) the heights of
overall gas-phase and the overall liquid phase transfer units, and (b) the HETP of the packing.
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