| Subject | English | German |
| construct. | activated digested sludge | Blähschlamm |
| nat.res. | aerobically digested sludge | aerob stabilisierter Schlamm |
| nat.res. | aerobically digested sludge | aerob mineralisierter Schlamm |
| environ. | digested sludge | ausgefaulter Schlamm |
| environ. | digested sludge Sludge or thickened mixture of sewage solids with water that has been decomposed by anaerobic bacteria | Faulschlamm |
| tech. | digested sludge | Faulschlamm |
| environ., industr. | digested sludge dewatering | Faulschlamm-Entwässerung |
| earth.sc., mech.eng. | digested sludge pump | Faulschlamm/pumpe |