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 pollutants.

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

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, …

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, nutrient-rich …

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 …

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 definition: mud, mire, or ooze; slush. See examples of sludge used in a sentence.

Sludge is thick mud, sewage, or industrial waste. More than a million gallons of sludge has seeped into the water.

Jan 11, 2026 · Sludge refers to the semi-solid material remaining after sewage and industrial wastewater treatment, and its proper handling is critical to protecting public health and the environment. Sludge …