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, …

Mar 28, 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 …

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 …

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

Mar 29, 2025 · Sludge, in the context of wastewater treatment, refers to the semi-solid residue produced during the treatment process. Specifically, it includes organic and inorganic material, suspended …

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

Jul 2, 2025 · Wastewater sludge, often simply referred to as "sludge," is the semi-solid residue generated during the various stages of municipal and industrial wastewater treatment. It's …

Apr 3, 2025 · Sludge is a semi-solid material, typically 65–99% water by mass, that forms when suspended or dissolved solids are separated from liquid during wastewater treatment.

sludge (slʌdʒ) n. 1. mud, mire, or ooze; slush. 2. a deposit of ooze at the bottom of a body of water. 3. any of various mudlike deposits or mixtures.

There, the wastewater is separated into two parts: 1) the liquid portion, which is cleaned and sent into a lake or stream, and 2) the solid portion, called sludge.