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 …

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 …

Dec 4, 2023 · The term is intended to distinguish high-quality, treated sewage sludge from raw sewage sludge and from sewage sludge that contains large quantities of environmental …

Sep 26, 2025 · When domestic sewage is transported and conveyed to a wastewater treatment plant (WWTP), it is treated to separate liquids from the solids, which produces a semi-solid, …

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, …

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, …

We seemed to spend the last mile of the walk knee-deep in sludge. The dirty water left a layer of sludge in the bottom of the pail. Increased erosion also reduces the life of reservoirs, makes …

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 …

Mar 21, 2023 · Sludge is a by-product of the wastewater treatment process, consisting of organic and inorganic solids suspended in water. Sludge treatment entails various processes and …