Liquid purification or separation – Flow – fluid pressure or material level – responsive – Discharge of treated material
Patent
1979-07-25
1981-01-20
Adee, John
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Discharge of treated material
210124, 210187, 2101951, 210258, B03D 300
Patent
active
042461138
ABSTRACT:
A plurality of compartments are provided, including intercommunicating first and second oil-water separation compartments, each provided with respective drains therein and wherein the flow of water from the first to the second compartment is restricted so as to increase the residence time of the water in the first compartment for increasing the separation of oil therein. The mouth of the drain in the first compartment is positioned higher than the mouth of the drain in the second compartment and so located as to be above the surface of the water when the first compartment is substantially filled with water so as to accommodate a layer of oil floating on the surface of the water so that only oil will flow into the drain and thus be removed from the water virtually free of any water mixed therewith. The second compartment serves as a discontinuous oil skimming compartment and to this end when the water rises to the level of the mouth of the drain therein, the water flows therefrom into the drain for thus skimming the oil floating on the surface of the water. Water discharge means, such as a pump, intermittently removes water from the second compartment. Water level sensing means is associated with the pump for sensing the rising of the water to the height of the mouth of the drain in the second compartment and in turn actuates the pump to draw the water down to a predetermined lower level below the mouth of the drain.
REFERENCES:
patent: 2782929 (1957-02-01), Colket
patent: 2879894 (1959-03-01), Nelson
patent: 3862039 (1975-01-01), Sommers
patent: 3862040 (1975-01-01), Preus
patent: 3907682 (1975-09-01), Basseet
patent: 3996136 (1976-12-01), Jakubek
patent: 4132645 (1979-01-01), Bottomley
Adee John
Ultracept, Inc.
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