Liquid purification or separation – With movable support – Float
Patent
1979-03-09
1981-05-05
Granger, Theodore A.
Liquid purification or separation
With movable support
Float
210923, E02B 1504
Patent
active
042657571
ABSTRACT:
Oil floating on a body of water is collected by moving a shallow-draft water craft, such as a barge, having a sternwardly slanted bow section and below the water line an ingress opening in or near the bow section through an oil slick. One or more preferably rearwardly slanted vanes extend crosswise on the flat bottom section between the water level and the ingress opening. The slant of the bow section increased by the action of the vanes forces oil in its path downwardly thereby causing the oil, possibly intermingled with water, to flow as a flat layer along the bottom of the barge. As the oil reaches the ingress opening it is propelled into a hold of the barge due to the pressure differential between the outside and the inside of the barge. Oil thus accumulating in a hold of the barge may be removed therefrom from time to time and clear water as may also enter the hold is returned to the body of water.
REFERENCES:
patent: 3715034 (1973-02-01), Ivanoff
patent: 3812968 (1974-05-01), Aramaki et al.
patent: 3890234 (1975-06-01), Galicia
patent: 3959136 (1976-05-01), Ayers
patent: 3966614 (1976-06-01), Ayers
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