Liquid purification or separation – Gravitational separator
Patent
1990-05-31
1991-09-10
Dawson, Robert A.
Liquid purification or separation
Gravitational separator
210523, 210525, 210521, 210262, 2102211, 210703, 210 94, 210127, B03D 114
Patent
active
050471490
ABSTRACT:
An apparatus for the clarification of liquids, such as notably water, fruit juices, musts such as grape musts, including an enclosure in which is brought the liquid to be clarified after a pretreatment operation, such as screening, as well as a flotation equipment, fed by a transfer pump with liquid pressurized and relieved of the pressure prior to its introducting in the flotation equipment, from which the clarified liquid is introduced in a filtration system. The apparatus includes the features that the flotation equipment is placed above the assembly used for the pretreatment of the liquid so as to obtain a sufficient load for bringing about a hydraulic balance of the various constituents of the apparatus, in order that it can operate with a small load available upstream and allow a possible recycling, by simple gravity, of the floating particles collected at the surface of the flotation equipment to any point of the pretreatment.
REFERENCES:
patent: 3501000 (1970-03-01), Roberts, Jr.
patent: 4216085 (1980-08-01), Chittenden
patent: 4743379 (1988-05-01), Sugihara et al.
Daoud Abeer I.
Dawson Robert A.
Degremont
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