Simulation of Perilithic Algae as a Biofilm and Its Interaction with the Water Column

by Stephen A. Breithaupt,
Ian P. King,
Gerald T. Orlob,



Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water

Abstract: A one-dimensional bioflim model has been constructed consisting of a particulate phase of algae and inert material and diffusive transport of nutrients and oxygen. Also included is mass transport to the bed. The biofilm equations are solved using the fmite element method and are spatially transformed to account for the moving boundary resulting from growth processes. Selected results for the local model are presented along with estimates of flux between the water colunm and bioflim.

Subject Headings: Vegetation | Biofilm | Diffusion | Nutrients | Oxygen | Mass transport | Boundary element method | Domain boundary

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