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  1. Sludge (Biosolids) - Kentucky Energy and Environment Cabinet

    Sewage sludge is defined as a special waste in accordance with KRS 224.50-760. In addition to sewage sludge, the special waste category includes water treatment plant sludge, utility coal ash, gas and oil …

  2. Sludge - Wikipedia

    Fecal sludge collected from pit latrines near Durban, South Africa, awaiting further treatment by drying Sludge (possibly from Middle English slutch 'mud, mire', or some dialect related to slush) [1] is a …

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

    Dec 31, 2025 · Primary sludge is generated from chemical precipitation, sedimentation, and other primary processes, whereas secondary sludge is the activated waste biomass resulting from …

  4. Basic Information about Sewage Sludge and Biosolids

    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 …

  5. 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.

  6. Sludge In Wastewater Treatment - Water & Wastewater

    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 …

  7. That sludge in your shower drain could be the next big find for ...

    5 days ago · Microbes are little alchemists that perform all manner of chemical reactions. A team of microbiologists co-founded a non-profit to try to harness those abilities to solve some of the world’s …

  8. SLUDGE | English meaning - Cambridge Dictionary

    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 additional water …

  9. Sludge Treatment & Management Solutions | AS Engineers

    Jun 23, 2023 · Explore sludge types, treatment methods & sustainable management. Reduce waste with advanced solutions like paddle dryers by AS Engineers.

  10. Truck hauling biosolids leaks sewer sludge down highway 117 into ...

    3 days ago · Originally believed to be asphalt, the contents of the truck was later determined to be biosolids—that is, processed residuals from wastewater.