Oil and water separator having plural nested tanks
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United States of America Patent
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-
Jul 4, 1989
Grant Date -
N/A
app pub date -
Jun 3, 1988
filing date -
Jun 3, 1988
priority date (Note) -
Expired
status (Latency Note)
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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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