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  2. Automated vacuum collection - Wikipedia

    en.wikipedia.org/wiki/Automated_Vacuum_Collection

    An automated vacuum waste collection system, also known as pneumatic refuse collection, or automated vacuum collection (AVAC), transports waste at high speeds through underground pneumatic tubes to a collection station where the waste is compacted and sealed in containers. Full containers are transported away to be emptied.

  3. Vacuum truck - Wikipedia

    en.wikipedia.org/wiki/Vacuum_truck

    A vacuum truck, vacuum tanker, vactor truck, vactor, vac-con truck, vac-con is a tank truck that has a pump and a tank. The pump is designed to pneumatically suck liquids, sludges, slurries, or the like from a location (often underground) into the tank of the truck. The objective is to enable transport of the liquid material via road to another ...

  4. Drum pump - Wikipedia

    en.wikipedia.org/wiki/Drum_pump

    Drum pump, barrel pump, and transfer pump refer to pumps that are used to empty barrels, tanks, IBCs and drums. [1] Many liquids used on manufacturing and processing plants are delivered in 100 or 200 litre barrels and are too heavy to tip to empty the liquids inside. Drum pumps range from simple siphon based devices to sophisticated highly ...

  5. Dust collector - Wikipedia

    en.wikipedia.org/wiki/Dust_collector

    Smaller dust collection systems use a single-stage vacuum unit to create suction and perform air filtration, where the waste material is drawn into an impeller and deposited into a container such as a bag, barrel, or canister. Air is recirculated into the shop after passing through a filter to trap smaller particulate. [citation needed]

  6. Grinder pump - Wikipedia

    en.wikipedia.org/wiki/Grinder_pump

    The grinder pump “station” consists of the pump, a tank, and an alarm panel. A pump for household use is usually rated for 1 , 1.5, 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 ...

  7. Pneumatic barrier - Wikipedia

    en.wikipedia.org/wiki/Pneumatic_barrier

    A further application of the pneumatic barrier is to decrease the salt-water exchange in navigation locks and prevent salt intrusion in rivers. . [1] Pneumatic barriers are also known as air curtains. The pneumatic barrier is a (non-patented) invention of the Dutch engineer Johan van Veen from around 1940 . [2]