About 18,300,000 results
Open links in new tab
  1. Activated sludge - Wikipedia

    The activated sludge process is a type of biological wastewater treatment process for treating sewage or industrial wastewaters using aeration and a biological floc composed of bacteria …

  2. What Is Activated Sludge and How Does It Work? - Engineer Fix

    Nov 7, 2025 · The activated sludge process is a foundational method for treating municipal and industrial wastewater. It is a biological treatment technology that uses a concentrated mass of …

  3. What is Activated Sludge? - A Complete Guide to its Mechanism, …

    Aug 27, 2025 · Activated sludge is a biological community made up of bacteria, protozoa, and metazoans. These organisms work together to decompose and purify contaminants in …

  4. What is Activated Sludge? - Wastewater Digest

    Jun 17, 2021 · Activated sludge refers to a flocculent culture of organisms developed in aeration tanks under controlled conditions, according to WEF. Activated sludge is typically brown in …

  5. Activated-sludge method | Biological Process, Aerobic Bacteria ...

    Activated-sludge method, sewage-treatment process in which sludge, the accumulated, bacteria-rich deposits of settling tanks and basins, is seeded into incoming waste water and the mixture …

  6. Activated Sludge Process - an overview | ScienceDirect Topics

    During water treatment using activated sludge, organics are oxidized into carbon dioxide (CO 2) and water (H 2 O) by live microorganisms which reside in the sludge.

  7. Activated Sludge Wastewater Treatment - Water & Wastewater

    Mar 27, 2025 · The activated sludge process is a biological treatment method that relies on the aeration of wastewater in the presence of microbial populations. The core components of this …

  8. Activated Sludge Basics - Sludge Scholars

    Activated sludge is a biological process used for treating wastewater by using microorganisms to break down organic matter. The microbiology of activated sludge involves a diverse …

  9. The Activated Sludge Process - Mountain Empire Community …

    The activated sludge process is the most commonly used method of reducing the organic load of the wastewater stream after primary treatment. When the concentration of organic pollutants is …

  10. U.S. Wastewater Treatment Factsheet - Center for Sustainable …

    Treatment of Municipal Wastewater A common form of wastewater treatment is activated sludge, an aerobic process that exposes microbes to oxygen to break down organic waste. 8 Over …