Homework Assignment 3.docx - Bioengineering 161A Fall 2018 Homework#3 1..The (

Homework Assignment 3.docx - Bioengineering 161A Fall 2018...

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Bioengineering 161A Fall 2018 Homework #3 Due Oct 16th before the end of class to the TAs 1. You have immobilized lactase onto solid porous spheres to produce lactose-free milk in a CSTR. The bulk concentration of lactose is maintained throughout the reactor (except within the boundary layer of each particle) at 25 mM. The reactor is operated in such a manner that kL = 0.4 cm/s, and this lactase enzyme as the following kinetic properties: V’max = 50 µmol/(cmKm = 10 mM a. What is the approximate steady-state flux for the reactor? b. Calculate the Damkohler number for this condition? Is the process reaction limited or diffusion limited? 
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