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  2. Grinder pump - Wikipedia

    en.wikipedia.org/wiki/Grinder_pump

    A grinder pump (also called a macerator pump) is a wastewater conveyance device. Waste from water-using household appliances (toilets, bathtubs, washing machines, etc.) flows through the home’s pipes into the grinder pump’s holding tank. Once the wastewater inside the tank reaches a specific level, the pump will turn on, grind the waste ...

  3. Pressure sewer - Wikipedia

    en.wikipedia.org/wiki/Pressure_sewer

    The pumping well is sized to allow for periods of power outage or pump maintenance. [1] The discharge pipe may be as small as 25mm diameter carrying sewage at very high flow rates. Pressure sewers are also used to collect the discharge from septic tanks and discharge this into the local gravity sewer to protect local ground water from ...

  4. Effluent sewer - Wikipedia

    en.wikipedia.org/wiki/Effluent_sewer

    Effluent sewer systems, also called septic tank effluent gravity (STEG), solids-free sewer (SFS), or septic tank effluent drainage (STED) systems, have septic tanks that collect sewage from residences and businesses, and the liquid fraction of sewage that comes out of the tank is conveyed to a downstream receiving body such as either a ...

  5. 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 ...

  6. Vacuum sewer - Wikipedia

    en.wikipedia.org/wiki/Vacuum_sewer

    A portable vacuum sewer system on the underside of a train carriage, serving the vacuum toilet and sink inside the train. A vacuum sewer or pneumatic sewer system is a method of transporting sewage from its source to a sewage treatment plant. It maintains a partial vacuum, with an air pressure below atmospheric pressure inside the pipe network ...

  7. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    Most of the solids are removed by the septic tanks, so the treatment plant can be much smaller than a typical plant. In addition, because of the vast reduction in solid waste, a pumping system, rather than a gravity system, can be used to move the wastewater. The pipes have small diameters, typically 1.5 to 4 inches (4 to 10 cm).

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