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  2. List of wastewater treatment technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_wastewater...

    Septic tank conversion [2] Sequencing batch reactor; Sewage treatment; Skimmer (machine) Slow sand filter; Stabilization pond; Supercritical water oxidation (SCWO) Thermal hydrolysis; Treatment pond; Trickle-bed reactor; Trickling filter; Ultrafiltration; Ultraviolet disinfection; Upflow anaerobic sludge blanket digestion; Urine-diverting dry ...

  3. Hydrothermal carbonization - Wikipedia

    en.wikipedia.org/wiki/Hydrothermal_carbonization

    Hydrothermal carbonization makes it possible - similar to the biomass-to-liquid process - to use almost all of the carbon contained in the biomass for fuel generation. It is a new variation of an old field (biomass conversion to biofuel) that has recently been further developed in Germany. [2]

  4. Hydrothermal liquefaction - Wikipedia

    en.wikipedia.org/wiki/Hydrothermal_liquefaction

    Hydrothermal liquefaction (HTL) is a thermal depolymerization process used to convert wet biomass, and other macromolecules, into crude-like oil under moderate temperature and high pressure. [1] The crude-like oil has high energy density with a lower heating value of 33.8-36.9 MJ/kg and 5-20 wt% oxygen and renewable chemicals.

  5. Green photocatalyst - Wikipedia

    en.wikipedia.org/wiki/Green_photocatalyst

    Hydrothermal synthesis is a green method that utilizes water under high pressure and temperature to facilitate chemical reactions. [80] It often avoids the need for organic solvents and offers control over crystal size and morphology , making it a versatile approach for producing various photocatalyst materials.

  6. Industrial wastewater treatment - Wikipedia

    en.wikipedia.org/wiki/Industrial_wastewater...

    Activated sludge tank at Beckton sewage treatment plant, UK. The white bubbles are due to the diffused air aeration system. 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 and protozoa.

  7. Superheated water - Wikipedia

    en.wikipedia.org/wiki/Superheated_water

    This is known by several terms, including direct hydrothermal liquefaction, [22] and hydrous pyrolysis. A few commercial scale applications exist. A few commercial scale applications exist. Thermal depolymerization or thermal conversion (TCC) uses superheated water at about 250 °C to convert turkey waste into a light fuel oil and is said to ...

  8. Sequencing batch reactor - Wikipedia

    en.wikipedia.org/wiki/Sequencing_batch_reactor

    Conversion to SBR will create a longer sludge age, minimizing sludge handling requirements downstream of the SBR. [2]: 8–10 The reverse can also be done, in which SBR Systems would be converted into extended aeration (EA) systems. SBR treatment systems that cannot cope up with a sudden constant increase of influent may easily be converted ...

  9. Reclaimed water - Wikipedia

    en.wikipedia.org/wiki/Reclaimed_water

    The term "water reuse" is generally used interchangeably with terms such as wastewater reuse, water reclamation, and water recycling. A definition by the USEPA states: "Water reuse is the method of recycling treated wastewater for beneficial purposes, such as agricultural and landscape irrigation, industrial processes, toilet flushing, and groundwater replenishing (EPA, 2004)."

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