The possibility of DynaDisc disc microfilter application for biological wastewater treatment was investigated. Possible operating modes of filer have been simulated:as a part of full biological treatment scheme and as an installation for wastewater posstreatment, with reagent treatment and without.The main conclusions of DynaDisc disc microfilter application have been made.

Keywords: disc filter, activated sludge, biological treatment, posttreatment, separation of activated sludge, reagent, microfiltration, filter cassette