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  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 …

  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. NC landfills create hidden risk: PFAS-contaminated sludge.

    Sep 10, 2025 · NC landfills create hidden risk: PFAS-contaminated sludge. Read all of our joint coverage with The Charlotte Ledger here. A watchdog report finds NC among the many states …

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

    Oct 13, 2025 · Wastewater treatment - Sludge, Disposal, Treatment: The residue that accumulates in sewage treatment plants is called sludge (or biosolids). Sewage sludge is the …

  5. Sludge

    Oct 29, 2025 · Lobbyists in Trump’s fundraising circle are surging in a record-breaking year for influence spending, as companies like Pfizer cut deals with the White House. Comcast, CVS, …

  6. 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 …

  7. What Is Sludge? Understanding the Basics

    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, …

  8. Sewage Sludge aka Sewage Biosolids - Cornell Waste …

    Sewage Sludge (aka Sewage Biosolids) The majority of U.S. sewage sludges, a by-product of wastewater treatment, are applied to land. There are risks and benefits associated with the …

  9. SLUDGE definition and meaning | Collins English Dictionary

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

  10. Farm fertilizer or toxic waste? The growing debate over biosolids

    Feb 14, 2025 · Across North Carolina, treated sewage sludge—known as biosolids—is spread on farmland as fertilizer. But growing concerns over PFAS contamination have farmers, utilities, …