Problems caused by biofouling

Growth type Examples Growth conditions Temperature C pH Location Problems 

Bacteria Slime-forming Aerobacter Flavobacterium Pseudomonas 15-65 4-9 Condenser tubes, pipes, water lines Reduction in heat exchange, corrosion 

Spore-forming Bacillus 15-65 5-9 Various locations Produced spores are difficult to kill 

Filamentous Sphaerotilus 15-45 5.5-9 Condenser tubes Reduce cooling efficiency 

Iron Galionella Crenothrix Leptothrix 10-30 5.5-8 Piping, water lines Forms slime deposits 

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