Biotreatment of Industrial Effluents

The simple kinetic equation for a single substrate reaction is
| (4-15) | |
where n is the order of the reaction and k is the rate constant, which is a function of temperature and could be of the form
| (4-16) | |
The rate equation for enzyme catalyzed reactions is given by the Michaelis Menten equation.
| (4-17) | |
The rate equation changes in the presence of inhibitors. The most important of these are as follows.
| (4-18) | |
Uncompetitive inhibitor
| (4-19) | |
Noncompetitive inhibitor
| (4-20) | |
Substrate inhibition (uncompetitive)
| (4-21) | |
Product inhibition (uncompetitive)
| (4-22) | |
There are several forms of modified Monod equation; the basic one is:
| (4-23) | |
Rapid growth
| (4-24) | |
Teisser model
| (4-25) | |
Moser model
| (4-26) | |
Contois model The Contois model takes biomass concentration into account.
| (4-27) | |
Substrate and product inhibition models are also possible. They are similar to the enzyme rate equations. If two substrates are rate limiting, then the Monod equation becomes:
| (4-28) | |
Growth rate equation with maintenance of the cells
| (4-29) | |