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  • Patent number: 5549794
    Abstract: An apparatus (10) for continuously extracting a solute from a carrier medium (102) is provided. The apparatus is formed from a vessel (12) including a convergent baffle (22) separating the vessel into a lower distillation chamber (24) and an upper extraction chamber (26). The convergent baffle is configured as an inverted funnel such that it defines a conduit riser (28) projecting upwardly into the extraction chamber and terminating in a vaporized solvent port (30) placing the distillation chamber in fluid-flow direct communication with the extraction chamber. A vapor rotating spheres-condenser (34) is mounted on the upper end of the vessel and opens into the extraction chamber. Solvent is placed in the distillation chamber while the carrier medium containing the solute is placed in the extraction chamber. Solvent is vaporized in the distillation chamber, rises upwardly through the conduit riser, and passes through the carrier medium, thereby extracting solute in a continuous linear-toroidal motion.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: August 27, 1996
    Assignee: H-O-H Research Inc.
    Inventor: Michael W. Mar