The meaning of SLUDGE is mud, mire; especially : a muddy deposit (as on a riverbed) : ooze. How to use sludge in a sentence.

Feb 13, 2026 · Wastewater treatment - Sludge, Disposal, Treatment: The residue that accumulates in sewage treatment plants is called sludge (or biosolids). Sewage sludge is the solid, semisolid, or …

Sludge (possibly from Middle English slutch 'mud, mire', or some dialect related to slush) [1] is a semi-solid slurry that can be produced from a range of industrial processes, from water treatment, …

Apr 3, 2025 · In simplest terms, sludge is a thick, semi-solid by-product that forms when solids separate from liquids during various processes. While the concept sounds straightforward, sludge often …

Sep 2, 2025 · Water treatment is a process designed to remove contaminants from water, making it safe for various uses or returning it to the environment in a cleaner state. This complex purification …

Sludge exists in a solid or semi-solid state and is a by-product of wastewater treatment, sewage treatment, water treatment, or on-site sanitation systems. Its production is either primary or …

Sludge is a type of wastewater that contains solid particles. It's usually treated with chemicals or heat to kill any harmful bacteria.