Belüftungsvorrichtung und -verfahren zur Abwasserreinigung

摘要

1. Aeration device for sewage purification with a pump device (21), a sewage-air-mixing device (22), at least one aeration tower (23) and a biological step being connected in series and arranged separately from each other and with a recirculating pipe (2) extending from the biological step to the pump device (21) for mixing the mechanically presettled sewage flowing from the aeration device (20) with biologically settled sewage from the biological step, characterized in that the aeration tower (23) is formed as a self-dumping tower.