"activated sludge" in German activated sludge Aktivschlamm Belebungsschlamm Belebtschlamm Detailed translations for "activated sludge" activated sludge 1. general activated sludge der Aktivschlamm{masculine} activated sludge der Belebungsschlamm{masculine} 2. environment, sewage treatment activated sludge(also: active sludge) der Belebtschlamm{masculine}