Importance

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Abstract

A method and apparatus for separating immiscible liquids and solids from a influent stream employing a pre-coalescing unit to remove solids and larger liquid particles followed by a coalescing function which separates any remaining oil, grease and the like from the influent stream. The separator tank comprises three chambers, one of which comprises a series of debris plates made of perforated oleofilic material which traps solids and large particles in the first chamber and passes the partially separated liquid to a second chamber containing closely spaced coalescer plates which remove the remaining unwanted particles. In the third chamber, the effluent stream is prepared for reintroduction into the environment. The separator unit of this invention uses the combination of enhanced coalescing and gravitational separation to improve the separation process and reduce the frequency of maintenance and cleaning of the unit.

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First Claim