# The Activated Sludge Process

## Will Francis

### MATH235 Mathematics Advanced Project

### Spring 2003

**Introduction**.
This project aims to use several mathematical methods to examine
the `activated sludge process`. As a main basis, the paper
by Curds was used. The project has the ultimate aim of
examining
this process as discussed in the paper and then extending the work done
to a more complicated process so as to produce new results. This is
done with the hope of achieving a more effective model for the
activated sludge process.

The report is divided into two sections. Part A focuses on the paper
by Curds, aiming to produce a computation method using Maple that will
reproduce Curds' work, specifically figure 3 & 7 from
Curds paper. Part B aims to extend the study into
new work by developing a computational method for the two reactor model.
With a working model for simulating the two reactor
activated sludge process, an extensive number of results are examined,
with the aim of optimising the outcome, by adjusting a
number of the parameters.

#### Bibliography

- Curds. Computer Simulations of Microbial
Population Dynamics in the Activated Sludge Process.
`Water Research`, **5**, 1049-1066, 1971.

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Page Created: 13th July 2005.

Last Updated: 2nd December 2009.