About 21,500 results
Open links in new tab
  1. PFAS-contaminated sewage sludge is spreading across Tennessee …

    Aug 14, 2024 · Tennessee farmers and landowners are using treated sewage as fertilizer across open lands, and some of that sludge is contaminated with toxic chemicals.

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

    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 …

  3. 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.

  4. PFAS Contamination - Sierra Club

    Learn how PFAS gets from consumer and industrial sources to the wastewater treatment plant and finally contaminates our land and water through the application of sludges and effluent …

  5. 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 …

  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, …

  7. Sludge: What Stops Us from Getting Things Done and What to …

    Jan 15, 2026 · Confronted by sludge, people just give up—and lose a promised outcome: a visa, a job, a permit, an educational opportunity, necessary medical help. In this lively and …

  8. 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.

  9. Sludge: Types, Uses, Objectives and Methods of Removing Sludge

    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 …

  10. Sludge As Fertilizer: How Common Is This Practice? | ShunCy

    2 days ago · Sludge, often referred to as biosolids when treated and processed, is increasingly being used as a fertilizer due to its nutrient-rich composition, which includes essential …