sludge

US /slʌdʒ/
UK /slʌdʒ/
"sludge" picture
1.

Schlamm, Klärschlamm, Schlick

thick, soft, wet mud or a similar viscous mixture of liquid and solid components, especially the product of an industrial or refining process.

:
The riverbed was covered in thick, black sludge.
Das Flussbett war mit dickem, schwarzem Schlamm bedeckt.
Waste water treatment plants produce a lot of sewage sludge.
Kläranlagen produzieren viel Klärschlamm.