Autores
GE Pizarro, C Garcia, R Moreno, ME Sepulveda
Fecha de publicación
2004/6/1
Revista
Water Science and Technology
Volumen
49
Número
11-12
Páginas
193-198
Editor
IWA Publishing
Descripción
Structural and microbial heterogeneity occurs in almost any type of biofilm system. General approaches for the design of biofilm systems consider biofilms as homogeneous and of constant thickness. In order to improve the design of biofilms systems, models need to incorporate structural heterogeneity and the effect of inert microbial mass. We have improved a 2D biofilm model based on cellular automata (CA) and used it to simulate multidimensional biofilms with active and inert biomass including a self-organizing development. Results indicate that the presence of inert biomass within biofilm structures does not change considerably the substrate flux into the biofilm because the active biomass is located at the surface of the biofilm. Long-term simulations revealed that although the biofilm system is highly heterogeneous and the microstructure is continuously changing, the biofilm reaches a dynamic steady-state …
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Artículos de Google Académico
GE Pizarro, C Garcia, R Moreno, ME Sepulveda - Water Science and Technology, 2004