Dec 31, 2025 · 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, …

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

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 …

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 …

5 days ago · The sludge produced during treatment contains organic matter, pathogens, chemicals, and heavy metals. Proper treatment, disposal, or reuse of sludge is vital for environmental safety and …

Definition of sludge noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.