Modelling the Dynamics of P. aeruginosa in the Formation of Biofilms

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Abstract
The accumulation, growth, and re-mobilization of pathogens on the pipe walls in drinking water distribution systems are processes that affect the risk of exposure at the tap. We present a model that uses the Buckingham Pi theory to embody the physics of Pseudomonas aeruginosa accumulation and move within the system. We apply it to model experimental data from a biofilm annular reactor operated in conditions that are commensurate with the flow in DWDS. By calibrating the model for this benchtop system, we intend to identify the most important physical parameters for use in a simpler, more prudent model, for application in large-scale DWDS.
Funding Information
  • Engineering and Physical Sciences Research Council (EP/W037270/1 (UoS), EP/W037475/1 (UoG))