Liquid purification or separation – Processes – Separating
Patent
1988-06-03
1989-07-04
Fisher, Richard V.
Liquid purification or separation
Processes
Separating
210806, 210256, 210521, B01D 17025
Patent
active
048448192
ABSTRACT:
An oil and water separator is disclosed having plural nested separating tanks. An oil/water mixture is introduced into the innermost tank. A fluid exchange means, such as a corrugated pipe wound to form a helix, transfers fluid from the innermost separating tank through successive separating tanks to the outermost tank. The majority of oil is trapped within the innermost tank and is transferred to a recovery tank by an overflow device. In outer separating tanks, a biological digestion of the small amount of remaining oil takes place.
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Fisher Richard V.
Upton Christopher
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