Patents by Inventor Jimmy D. Kumana

Jimmy D. Kumana has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Distillation system for motor fuel grade anhydrous alcohol
    Patent number: 4217178
    Abstract: An improved distillation method is provided for obtaining motor fuel grade anhydrous ethanol from fermentation or synthetic feedstocks. A three tower system is used comprising a stripper-rectifier tower in which the dilute feedstock is converted to a concentrated ethanol stream, a dehydrating tower in which water is removed from the concentrated ethanol stream by azeotropic distillation, and a stripper tower for recovering the azeotropic agent. The invention effects substantial energy savings by utilizing the heat content of the overhead vapors from the stripper-rectifier tower to supply the heat required for the dehydrating and stripper towers and by preheating the feedstock in stages utilizing the heat content of the overhead vapors from the dehydrating and stripper towers, the heat content of the overhead vapors from the stripper-rectifier tower and the heat content of the bottoms from the stripper-rectifier tower.
    Type: Grant
    Filed: November 7, 1978
    Date of Patent: August 12, 1980
    Assignee: Raphael Katzen Associates International, Inc.
    Inventors: Raphael Katzen, George D. Moon, Jr., Jimmy D. Kumana