Settling
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Settling is the process by which particulates move towards the bottom of a liquid and form a sediment. Particles that experience a force, either due to gravity or due to centrifugal motion will tend t
Settling pond for iron particles at water works
Imhoff tank
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The Imhoff tank, named for German engineer Karl Imhoff, is a chamber suitable for the reception and processing of sewage. It may be used for the clarification of sewage by simple settling and sediment
Imhoff tank. a - upper chamber, b-c - outlet for sludge, d - outlet for biogas (would need to be higher), f - lower chamber, g - slot for sludge to pass from the upper to the lower chamber, h - height.
View from above an empty Imhoff tank