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2. Sanitary engineering - Wikipedia

   en.wikipedia.org/wiki/Sanitary_engineering

   An example of a wastewater treatment system. Sanitary engineering, also known as public health engineering or wastewater engineering, is the application of engineering methods to improve sanitation of human communities, primarily by providing the removal and disposal of human waste, and in addition to the supply of safe potable water.

3. Grinder pump - Wikipedia

   en.wikipedia.org/wiki/Grinder_pump

   A pump for household use is usually 1 hp, 1.5 hp or 2 hp. A cutting mechanism macerates waste and grinds items that are not normally found in sewage, but may get flushed down the toilet. The pump has a level sensor either built into the pump, called “sensing bells,” or attached externally to the pump, typically a float switch. (The level ...

4. Pumping station - Wikipedia

   en.wikipedia.org/wiki/Pumping_station

   A four pole or six pole AC induction motor normally drives the pump. Rather than provide large open passages, some pumps, typically smaller sewage pumps, also macerate any solids within the sewage breaking them down into smaller parts which can more easily pass through the impeller. The interior of a sewage pump station is a very dangerous place.

5. Chopper pumps - Wikipedia

   en.wikipedia.org/wiki/Chopper_pumps

   The pump manufacturer, Christian Ølgaard, developed a pump with a special knife system to meet the need for macerating and pumping manure in agricultural applications. Manure with high solids content, containing straw and sawdust, would clog up other types of pumps, causing unstable operation in an environment which required high reliability.

6. Sewerage - Wikipedia

   en.wikipedia.org/wiki/Sewerage

   Sewerage (or sewage system) is the infrastructure that conveys sewage or surface runoff (stormwater, meltwater, rainwater) using sewers. It encompasses components such as receiving drains , manholes , pumping stations , storm overflows, and screening chambers of the combined sewer or sanitary sewer .

7. Sanitary sewer - Wikipedia

   en.wikipedia.org/wiki/Sanitary_sewer

   Stoneware sanitary sewer (bottom) submerged in trash and fecalia. Sanitary sewer overflow can occur due to blocked or broken sewer lines, infiltration of excessive stormwater or malfunction of pumps. In these cases untreated sewage is discharged from a sanitary sewer into the environment prior to reaching sewage treatment facilities. To avoid ...