The circulation of the fermentation broth (average density : Pi and average viscocity ) is being maintained by injecting compressed air (pressure : Pir and volume flow rate : Qr) via a perforated plate (radius of openings : r). located just at the bottom of the central draft tube. As a potential Chemical Engineer you are asked to calculate the rate of circulation (volume flow rate) of the fermentation broth. State your assumptions clearly and assume any missing data if necessary.
The circulation of the fermentation broth (average density : Pi and average viscocity ) is being maintained by injecting compressed air (pressure : Pir and volume flow rate : Qr) via a perforated plate (radius of openings : r). located just at the bottom of the central draft tube. As a potential Chemical Engineer you are asked to calculate the rate of circulation (volume flow rate) of the fermentation broth. State your assumptions clearly and assume any missing data if necessary.
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:5. Air-lift bioreactors are similar to bubble column reactors, but differ by the fact that they contain a draft
tube. The draft tube is always an inner tube (this kind of air-lift bioreactor is called "air-lift bioreactor
with an internal loop), fig. 4 illustrates the basic structure of an air-lift bioreactor with an internal loop.
Direction of
Liquid flow
Air bubble
Draft tuhe (mner fube)
Perforated plate
Compressed ur
fig. 4
The circulation of the fermentation broth (average density p, and average viscocity : 4) is being
maintained by injecting compressed air (pressure : Pir and volume flow rate : Qir) via a perforated plate
(radius of openings : r), located just at the bottom of the central draft tube. As a potential Chemical
Engineer you are asked to calculate the rate of circulation (volume flow rate) of the fermentation broth.
State your assumptions clearly and assume any missing data if necessary.
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