Liquid purification or separation – Gravitational separator – Mechanical constituent mover
Patent
1974-05-07
1976-03-02
Granger, Theodore A.
Liquid purification or separation
Gravitational separator
Mechanical constituent mover
210532R, B01D 2100
Patent
active
039417042
ABSTRACT:
A liquid conditioning and settling tank employing the sludge blanket principle in which a body of floc particles termed a sludge blanket is maintained in suspension in the lower portion of the tank by agitation. The floc particles gather impurities in the liquid being treated and thus gain weight. The heavier fraction of these particles settle to the base of the tank whence they are removed. In such a tank a sump is located with an overflow lip at or below the upper level of the sludge blanket. The lighter fractions overflow into the sump where they are able to settle more readily for removal from the tank through the base of the sump.
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