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:Slovak term: [[Slovenský termín]]
# A low-cost, decentralised emptying technology for waste systems using appropriate technologies (WHO et al. 2003).
Acronym: MAPET.

==Explanation==
The Manual pit emptying technology uses manually operated equipment to empty the
latrine pit. Its main components are a piston handpump and a 200-litre vacuum tank, both
mounted on pushcarts, and connected by a 2-cm hosepipe. A 10-cm hosepipe is used to
drain the sludge from the pit. When the handpump wheel is rotated air is sucked out of the
vacuum tank, which sucks sludge from the pit through the hosepipe and into the tank. The
effective pumping head is 3 m, depending on the viscosity of the sludge. The sludge is
usually buried in a hole close to the pit, or taken to a nearby disposal point (e.g. a disposal
field, or sludge transfer station). The equipment is small and hand-operated, and is
therefore particularly suitable for high-density settlements with narrow streets, where
conventional vacuum tankers have no access. The maximum width of the MAPET, for
example, is 0.8 m. Motor-driven vacuum tankers built on small tractors are available, and
they use the same principle as the MAPET (WHO et al. 2003).

==Example==

==References==
* WHO and IRC (2003) [http://www.who.int/water_sanitation_health/hygiene/om/en/wsh9241562153.pdf Linking technology choice with operation and maintenance in the context of community water supply and sanitation: A reference document for planners and project staff]

==Links==
* [http://apps.who.int/thelexicon/ WHO — The Health and Environment Lexicon]

[[Category:EN]]

Manual pit emptying technology - História úprav

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