# Activated Sludge Process

## Justin Stephens

### Math 345: Advanced Mathematics Project

### Autumn 2016

### Introduction

In this research we analyse the steady-state operation of a continuous
flow bioreactor, with a recycle factor. The reaction is assumed to be governed
by the well-known Monod growth kinetics. The steady-states of the recycle
model are found and their stability determined as a function of the residence
time. This is quantified for the case of an ideal membrane reactor. We then
look at a model with the addition of predators to the system to see if they
reduce the amount of total suspended solids in the reactor. Through varying
the parameter for the growth rate of predators, we try to optimise the use of
the predators in the continuous flow bioreactor.

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Page Created: 6th June 2016.

Last Updated: 6th June 2016.