A variety of biocides are used to control microbial populations in cooling systems. Sessile microbes form biofilms that, if uncontrolled, result in biofouling which impedes heat transfer, promotes corrosion and increases the potential for illness. Controlling biofilm with traditional biocides typically require higher concentrations. Evaluation of a Novel Biocide Delivery material which enhances delivery of biocides to biofilms for increased efficacy is described. Lab and field studies show that the new material allows for a reduction in active biocide levels compared to a traditional biocide while at the same time providing for a higher degree of control over biofilm.

13-06: Novel Biocide Delivery for Improved Control of Biofilm Organisms

  • Dorothy Reynolds, GE Water & Process Technologies