Answered: Calculate the value of kLa

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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Question

The simple dynamic method is used to measure kLa in a fermenter operated at 30 C and 1 atm
pressure. Data for the dissolved oxygen concentration as a function of time during the reoxygenation step
are as follows:

Calculate the value of k_La

Time (s)
Cal (% air saturation)
10
43.5
15
53.5
20
60.0
30
67.5
40
70.5
50
72.0
70
73.0
100
73.5
130
73.5

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