Numerical simulation of dual-species biofilms in porous media

Authors:
Benito M. Chen-Charpentier;Hristo V. Kojouharov
Affiliations:
Department of Mathematics, University of Wyoming, Laramie, WY;Department of Mathematics, University of Texas at Arlington, Arlington, TX
Venue:
Applied Numerical Mathematics - Special issue on applied and computational mathematics: Selected papers of the fourth PanAmerican workshop
Year:
2003

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Abstract

There are bacteria that can form strong biofilms in porous media. The biofilms can be used as biobarriers to restrict the flow of pollutants. If a second species of bacteria that can actually react with the contaminants is added to the biobarrier, the result is a much more effective way of controlling the pollutants. We propose a mathematical model for the formation of these biobarriers and numerically solve the resulting equations for the flow, transport and reactions. Qualitative comparisons with some experimental results are also given.