Abstract

Adherence studies of anaerobic sludge were conducted on three different solid supports for their use in Anaerobic Filters. These were, Plastic corrugated rings, PVC sheets and stones and the measurements were gravimetric, using synthetic wastewater for the growth of the microorganisms. The results are between 10% and 64% of adherence (and over 95% of COD abatement). The best results were obtained with corrugated rings, probably due to occlusion of biomass more than physicochemical adherence.