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  2. Activated sludge - Wikipedia

    en.wikipedia.org/wiki/Activated_sludge

    Surface aerator for aeration tank at activated sludge sewage treatment plant (at Morro Alto Treatment Plant, Vespasiano, Brazil) Vertically mounted tubes of up to 1-metre (3.3 ft) diameter extending from just above the base of a deep concrete tank to just below the surface of the sewage liquor. A typical shaft might be 10 metres (33 ft) high.

  3. LinnDrum - Wikipedia

    en.wikipedia.org/wiki/LinnDrum

    DIN sync (pre-MIDI), third-party MIDI Retrofit Kit, trigger inputs x5 The LinnDrum , also often incorrectly referred to as the LM-2 , [ 1 ] is a drum machine manufactured by Linn Electronics between 1982 and 1985.

  4. Aerated lagoon - Wikipedia

    en.wikipedia.org/wiki/Aerated_lagoon

    An aerated lagoon (or aerated pond) is a simple wastewater treatment system consisting of a pond with artificial aeration to promote the biological oxidation of wastewaters. [1] [2] [3] [4]

  5. Linear aeration - Wikipedia

    en.wikipedia.org/wiki/Linear_aeration

    Linear aeration is an aeration process that allows water to penetrate the soil and to be retained in the proper amounts. [1] Additionally, it can also add organic nutrition and soil softeners (such as humus , topsoil , compost , sand or clay ) if necessary.

  6. Lawn aerator - Wikipedia

    en.wikipedia.org/wiki/Lawn_aerator

    Core aeration is suitable for heavy clay soils, and spike aeration is more suited to sandy or loamy soils. Powered aerator vs. manual aerator. Powered core aerator in use. Powered aerators employ the power from ground propulsion to drive multiple tines into ground. The machines can aerate a large lawn in a relatively short time (similar to ...

  7. Water aeration - Wikipedia

    en.wikipedia.org/wiki/Water_aeration

    Coarse bubble aeration is a type of subsurface aeration wherein air is pumped from an on-shore air compressor. [ 6 ] through a hose to a unit placed at the bottom of the water body. The unit expels coarse bubbles (more than 2mm in diameter), [ 7 ] which release oxygen when they come into contact with the water, which also contributes to a ...

  8. Jet aerators - Wikipedia

    en.wikipedia.org/wiki/Jet_aerators

    Their primary purpose is to transfer oxygen to the liquid or sludge. A Jet aerator works through aspirating technology by simultaneously introducing large volumes of high kinetic energy liquid and air through one or more jet nozzles. The high velocity liquid exits the inner, primary jet and rapidly mixes with the incoming air in the outer jet.

  9. Fine bubble diffusers - Wikipedia

    en.wikipedia.org/wiki/Fine_bubble_diffusers

    The subject of bubble size is important because the aeration system in a wastewater or sewage treatment plant consumes an average of 50 to 70 percent of the energy of the entire plant. [3] Increasing the oxygen transfer efficiency decreases the power the plant requires to provide the same quality of effluent water. Furthermore, fine bubble ...

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