Method and apparatus for recovering low density liquids in surfa

Details Method and apparatus for recovering low density liquids in surfa Method and apparatus for recovering low density liquids in surfa

1988-06-23

1989-07-25

Hruskoci, Peter

Liquid purification or separation

Processes

Separating

210128, 2102423, 210923, E02B 1504

Patent

active

048511331

ABSTRACT:
An improved skimmer is provided for recovering hydrocarbons floating on the surface of a body of water. A floating hull defines first and second tunnels, and a holding tank for housing the collected hydrocarbons. A power driven propeller in the first tunnel draws subsurface water from an inlet port through the first tunnel and out a discharge port. The inlet port of the second tunnel is positioned above the first tunnel to receive floating hydrocarbons and water. The second tunnel has a water outlet in fluid communication with the first tunnel. A skimming gate passes hydrocarbons floating on the surface of water in the second tunnel to the holding tank, and thereby separates hydrocarbons from the water. According to the method of the present invention, hydrocarbons are efficiently recovered from the surface of the water while a high percentage of water initially collected with the hydrocarbons to assist in the recovery operation is discharged back to the body of water, thereby reducing the quantity of hydrocarbons which must be transported from the holding tank on the hull.

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