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  2. Waste stabilization pond - Wikipedia

    en.wikipedia.org/wiki/Waste_stabilization_pond

    Main configurations of waste stabilization pond systems. Waste stabilization ponds consist of man-made basins comprising a single or several series of anaerobic, facultative or maturation ponds. [11] The presence or absence of oxygen varies with the three different types of ponds, used in sequence. Anaerobic waste stabilization ponds have very ...

  3. File:Waste Stabilization Pond diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:Waste_Stabilization...

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  4. Aerated lagoon - Wikipedia

    en.wikipedia.org/wiki/Aerated_lagoon

    The ponds or basins may range in depth from 1.5 to 5.0 meters. [ 6 ] In a surface-aerated system, the aerators provide two functions: they transfer air into the basins required by the biological oxidation reactions, and they provide the mixing required for dispersing the air and for contacting the reactants (that is, oxygen, wastewater and ...

  5. Facultative lagoon - Wikipedia

    en.wikipedia.org/wiki/Facultative_lagoon

    Facultative lagoon (polishing pond) providing tertiary treatment after a constructed wetland in Hamburg-Allermöhe, Germany. Overflow from the facultative lagoon may be routed through one or more polishing ponds supporting lower populations of anaerobic micro-organisms and a higher proportion of aerobic organisms adapted to survival in lower concentrations of organic material.

  6. Sewage treatment - Wikipedia

    en.wikipedia.org/wiki/Sewage_treatment

    The activated sludge process, sand filters, waste stabilization ponds, constructed wetlands and other processes can all be used to reduce nitrogen. [ 25 ] : 17–18 Since denitrification is the reduction of nitrate to dinitrogen (molecular nitrogen) gas, an electron donor is needed.

  7. Waste pond - Wikipedia

    en.wikipedia.org/wiki/Waste_pond

    A waste pond or chemical pond is a small impounded water body used for the disposal of water pollutants, and sometimes utilized as a method of recycling or decomposing toxic substances. Such waste ponds may be used for regular disposal of pollutant materials or may be used as upset receivers for special pollution events.

  8. Constructed wetland - Wikipedia

    en.wikipedia.org/wiki/Constructed_wetland

    Surface flow wetlands have a similar appearance to ponds for wastewater treatment (such as "waste stabilization ponds") but are in the technical literature not classified as ponds. [22] Pathogens are destroyed by natural decay, predation from higher organisms, sedimentation and UV irradiation since the water is exposed to direct sunlight. [3]

  9. Template:Ponds - Wikipedia

    en.wikipedia.org/wiki/Template:Ponds

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