About 473,000 results
Open links in new tab
  1. Sludge - Wikipedia

    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, …

  2. SLUDGE Definition & Meaning - Merriam-Webster

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

  3. Wastewater treatment - Sludge, Disposal, Treatment | Britannica

    Nov 21, 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 …

  4. SLUDGE | English meaning - Cambridge Dictionary

    The development of filamentous bacterial structures leads to biological aggregates with low density and poor settling properties, usually called "bulking sludge".

  5. What Is Sludge? Understanding the Basics of Sludge Treatment ...

    Apr 3, 2025 · In this comprehensive guide, you’ll discover exactly what sludge is, why it matters, and how sludge treatment and sludge management practices ensure it doesn’t become a hazard.

  6. Sludge - definition of sludge by The Free Dictionary

    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.

  7. sludge noun - Definition, pictures, pronunciation and usage ...

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