Modeling of Biological Fixed Films - A State-of-the-Art Review,
CLEMSON UNIV S C DEPT OF ENVIRONMENTAL SYSTEMS ENGINEERING
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Concurrently with the new developments in fixed-film reactors has come a renewed interest in their modeling. Mathematical models may be divided into two categories empirical and mechanistic. It is clear that we have not yet achieved a complete and general mechanistic model for biofilms which can be used to simulate the performance of a broad range of fixed-film processes. It should be recalled, however, that a major goal of mechanistic modeling is to increase understanding. The fact that the large number of events occurring within biofilms is now widely recognized is evidence for the attainment of that goal. Compared to the situation which existed twenty years ago a great deal of knowledge has been obtained and a great deal of progress has been made. Today, we have a good idea of what we dont know and therefore we can design the experimental programs required to gain that knowledge. With the renewed interest in fixed-film processes evident today even greater energies can be brought to bear upon the problem and the remaining gaps in knowledge can be filled.