Availablity of a stable, chlorine free chlorine dioxide (ClO2) shipped as ready to use 3000 ppm solution in ultra pure water is finding use as a disinfectant without damage to membranes. Where most biocides will not penetrate biofilms, ClO2 exist as a non-ionic dissolved gas that penetrates and destroys biofilm. It permeates membranes disinfectin...

Biofouling is a major problem in membrane operation in water purification. Ultra-pure chlorine dioxide is an effective chemical for removal and prevention of biofouling without damage to membranes. Intermittent dosing can greatly reduce chlorine dioxide costs compared to other means of controlling biofouling....