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Multi-stage apparatus for separating immiscible fluids

  • US 5,603,825 A
  • Filed: 07/18/1994
  • Issued: 02/18/1997
  • Est. Priority Date: 07/18/1994
  • Status: Expired due to Term
First Claim
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1. A separator for removing an immiscible fluid from a fluid denser than the immiscible fluid, said separator comprising:

  • a. a fluid inlet upstream from an outlet, said separator providing a path for flow of said fluid through said separator from said inlet to said outlet;

    b. a toroidal separation chamber in said path downstream from said inlet said separation chamber having a tangentially disposed inlet for causing said fluid to swirl within said separation chamber;

    c. a pump in said path, said pump having a suction port and a discharge port, said suction port in fluid communication with and downstream from said separation chamber; and

    d. a bed of buoyant oleophilic plastic beads in said path and downstream from said separation chamber.

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