Liquid purification or separation – Processes – Separating
Patent
1993-11-08
1996-05-28
Upton, Christopher
Liquid purification or separation
Processes
Separating
210519, 210521, 210540, 210DIG5, C02F 140
Patent
active
055208258
ABSTRACT:
A compact gravitational oil-water separator particularly adapted for use in small drainage systems in order to avoid pollution to the environment is provided with a plurality of separating components housed within a tank. More specifically, these components include a baffle member which provides initial separation of an incoming oil-water flow stream and distributes the flow substantially across the entire width of the tank. After the flow impinges the baffle member, the flow is directed downward towards a sediment bucket which captures any large particles separated from the flow and then the flow is directed upwardly at an angle through a coalescer unit. After exiting the coalescer unit, the flow is guided over a separation plate and then is re-directed, in a reverse direction, to an inlet opening of an outlet flow passage. By reversing the fluid flow, substantially the entire tank is utilized in the separation process. All of the separating components are removably mounted within the tank to ease maintenance thereof. Finally, a skimmer unit and an oil-water interface sensing/indicating unit can also be provided.
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McTighe Industries, Inc.
Upton Christopher
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