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  2. Drain-waste-vent system - Wikipedia

    en.wikipedia.org/wiki/Drain-waste-vent_system

    A drain-waste-vent system (or DWV) is the combination of pipes and plumbing fittings that captures sewage and greywater within a structure and routes it toward a water treatment system. It includes venting to the exterior environment to prevent a vacuum from forming and impeding fixtures such as sinks, showers, and toilets from draining freely ...

  3. Septic tank - Wikipedia

    en.wikipedia.org/wiki/Septic_tank

    Groundwater pollution, water pollution e.g. during floods [ 1 ] A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater (sewage) flows for basic sewage treatment. [ 2 ] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate ...

  4. Imhoff tank - Wikipedia

    en.wikipedia.org/wiki/Imhoff_tank

    Imhoff tank. a - upper chamber, b-c - outlet for sludge, d - outlet for biogas (would need to be higher), f - lower chamber, g - slot for sludge to pass from the upper to the lower chamber, h - height. The Imhoff tank, named for German engineer Karl Imhoff (1876–1965), is a chamber suitable for the reception and processing of sewage.

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  6. Final Hours! Shop Lowe's Labor Day sale for all the best home ...

    www.aol.com/lifestyle/lowes-launched-epic-labor...

    From now through Thursday, September 15, Lowe's is giving you the opportunity to save up to $500 on select kitchen and laundry room gadgets (and get free local delivery) when you spend $299 or ...

  7. 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]

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