
Dewatering ŋ is the removal of water from solid material or soil 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. Construction dewatering, unwatering, or water control are common terms us...
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http://en.wikipedia.org/wiki/Dewatering

(from the article `mineral processing`) Concentrates and tailings produced by the methods outlined above must be dewatered in order to convert the pulps to a transportable state. In ... Digested sewage sludge is usually dewatered before disposal. Dewatered sludge still contains a significant amount of wateroften as much as 70 ... ...
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http://www.britannica.com/eb/a-z/d/39

Elimination of water from a lake, river, stream, reservoir, or containment.
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http://www.encyclo.co.uk/local/21804

The process of separating solids from solution by sedimentation in tanks called thickeners or by filtering the solution through filter cloth in filters.
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https://www.encyclo.co.uk/local/22732

The removal or draining of water from an area. Removal or separation of a portion of the water in a sludge or slurry to dry the sludge so it can be handled and disposed of; removal or draining the water from a tank or trench.
Found on
https://www.encyclo.co.uk/local/22831
No exact match found.