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  2. Sewage sludge treatment - Wikipedia

    en.wikipedia.org/wiki/Sewage_sludge_treatment

    Sewage sludge treatment describes the processes used to manage and dispose of sewage sludge produced during sewage treatment. Sludge treatment is focused on reducing sludge weight and volume to reduce transportation and disposal costs, and on reducing potential health risks of disposal options. Water removal is the primary means of weight and ...

  3. Wet scrubber - Wikipedia

    en.wikipedia.org/wiki/Wet_scrubber

    The term wet scrubber describes a variety of devices that remove pollutants from a furnace flue gas or from other gas streams. In a wet scrubber, the polluted gas stream is brought into contact with the scrubbing liquid, by spraying it with the liquid, by forcing it through a pool of liquid, or by some other contact method, so as to remove the pollutants.

  4. Enhanced biological phosphorus removal - Wikipedia

    en.wikipedia.org/wiki/Enhanced_biological...

    Enhanced biological phosphorus removal (EBPR) is a sewage treatment configuration applied to activated sludge systems for the removal of phosphate. [ 1 ] The common element in EBPR implementations is the presence of an anaerobic tank (nitrate and oxygen are absent) prior to the aeration tank. Under these conditions a group of heterotrophic ...

  5. Sewage treatment - Wikipedia

    en.wikipedia.org/wiki/Sewage_treatment

    Sewage treatment (or domestic wastewater treatment, municipal wastewater treatment) is a type of wastewater treatment which aims to remove contaminants from sewage to produce an effluent that is suitable to discharge to the surrounding environment or an intended reuse application, thereby preventing water pollution from raw sewage discharges. [2]

  6. Secondary treatment - Wikipedia

    en.wikipedia.org/wiki/Secondary_treatment

    Secondary treatment. This small secondary clarifier at a rural sewage treatment plant is a typical phase separation mechanism to remove biological solids formed in a suspended growth or fixed-film bioreactor. Secondary treatment (mostly biological wastewater treatment) is the removal of biodegradable organic matter (in solution or suspension ...

  7. Paintless dent repair - Wikipedia

    en.wikipedia.org/wiki/Paintless_dent_repair

    Paintless dent repair (PDR), also known as paintless dent removal, describes a method of removing small dents, dings, and minor collision damage (paint unbroken) dents from the body of a motor vehicle. A wide range of damage can be repaired using paintless dent repair as long as the paint surface is intact. Paintless dent repair may be used on ...

  8. Aerobic granular reactor - Wikipedia

    en.wikipedia.org/wiki/Aerobic_granular_reactor

    Wolf Creek Wastewater Treatment Plant in Foley, Alabama [1] Aerobic granular reactors (AGR) or Aerobic granular sludge (AGS) are a community of microbial organisms, typically around 0.5-3mm in diameter, that remove carbon, nitrogen, phosphorus and other pollutants in a single sludge system. It can also be used for wastewater treatments.

  9. Rotating biological contactor - Wikipedia

    en.wikipedia.org/wiki/Rotating_biological_contactor

    A rotating biological contactor or RBC is a biological fixed-film treatment process used in the secondary treatment of wastewater following primary treatment. [1][2][3][4][5] The primary treatment process involves removal of grit, sand and coarse suspended material through a screening process, followed by settling of suspended solids.