Growth of immobilised cells: Results and predictions for membrane-attached biofilms using a novel in situ biofilm thickness measurement technique
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This paper describes results from a novel technique developed for measuring the rate at which the thickness of biofilms growing attached to the surfaces of tubular membranes increase over time. Two biofilm/immobilised cell model systems have been studied; Xanthobacter autotrophicus GJ10 growing on 1,2-dichloroethane and Pseudomonas sp. strain JS150 growing on monochlorobenzene. A dynamic mathematical model has been developed to explain the experimental results, treating the expansion of the biofilm as a moving boundary problem. This model is able to predict accurately the rate of biofilm growth and the overall system performance. 1996 Elsevier B.V. All rights reserved.