Method of removing oil from water

Details Method of removing oil from water Method of removing oil from water

1977-11-07

1978-10-31

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210242AS, B01D 1500, B01D 3314

Patent

active

041233549

ABSTRACT:
Suspended droplets of oil are removed from a waste water stream by the method of the present invention. The oil and water mixture is injected into a partially submerged, vertical pipe and is contacted by an endless oleophilic, fibrous cord which is drawn through the pipe and which selectively removes the oil droplets from the waste water. Preferably, the fibrous cord is drawn upwardly through the pipe in a direction counter-current to the flow of the waste water. Oil which coalesces on the fibrous cord is squeezed from the cord at the surface while clarified waste water is discharged from the lower end of the pipe. If used to clarify waste water from an offshore rig the pipe is vertically positioned adjacent the rig.

REFERENCES:
patent: 1604402 (1926-10-01), Fleischer
patent: 2866827 (1958-12-01), Jurgeleit et al.
patent: 3138088 (1964-06-01), Foth
patent: 3190451 (1965-06-01), Holland
patent: 3477583 (1969-11-01), Krynski et al.
patent: 3490596 (1970-01-01), Fernandez
patent: 3508663 (1970-04-01), Brill
patent: 3608727 (1971-09-01), Grutsch
patent: 3767052 (1973-10-01), Shibasaki
patent: 3850804 (1974-11-01), Taylor et al.
patent: 4065386 (1977-12-01), McGrew

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