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Dewatering
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Dewatering /diːˈwɔːtərɪŋ/ is the removal of water from a location. This may be done by wet classification, centrifugation, filtration, or similar solid-liquid separation processes, such as removal of residual liquid from a filter cake by a filter press as part of various industrial processes.[1]
Construction dewatering, unwatering, or water control are common terms used to describe removal or draining groundwater or surface water from a riverbed, construction site, caisson, or mine shaft, by pumping or evaporation. On a construction site, this dewatering may be implemented before subsurface excavation for foundations, shoring, or cellar space to lower the water table. This frequently involves the use of submersible "dewatering" pumps, centrifugal ("trash") pumps, eductors, or application of vacuum to well points. The international business research company Visiongain valued the global dewatering pump market at $6.4 billion in 2018.[2]
- ^ Alimohammadi, Masoumeh; Tackley, Hayden; Holmes, Baillie; Davidson, Kirklyn; Lake, Craig B.; Spooner, Ian S.; Jamieson, Rob C.; Walker, Tony R. (2020). "Characterising sediment physical property variability for bench-scale dewatering purposes". Environmental Geotechnics: 1–9. doi:10.1680/jenge.19.00214. S2CID 225315568.
- ^ ""Global Dewatering Pump Market to be valued at $6.4 billion in 2018" reports Visiongain". Visiongain. 5 September 2019. Retrieved 5 September 2019.
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