English ⇄ Arabic Basque Bulgarian Catalan Chinese Czech Danish Dutch Estonian Finnish French German Greek Hungarian Irish Italian Latvian Lithuanian Maltese Norwegian Bokmål Polish Portuguese Romanian Russian Slovak Slovene Spanish Swedish Turkish Ukrainian

biological wastewater treatment Types of wastewater treatment in which biochemical or bacterial action is intensified to oxidize and stabilize the unstable organic matter present. Examples of this type of treatment use intermittent sand filters, trickling filters, and activated sludge processes and sludge digestion
environ.	biologiczna oczyszczalnia ścieków (oczyszczanie ścieków oparte na procesach biochemicznych lub działaniu bakterii w celu utlenienie i ustabilizowania substancji organicznej)