Patents Represented by Attorney E. V. Linek

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  • Regeneration of caustic impregnated activated carbons
    Patent number: 4558022
    Abstract: An improved process for the regeneration of activated carbon impregnated with caustic is described. A three stage wash with caustic solutions of from 30 to 50 percent and from 5 to 25 percent removes both organic and sulfur contaminants. This regeneration returns the carbon essentially to its original capacity for adsorption of malodorous compounds.
    Type: Grant
    Filed: November 21, 1984
    Date of Patent: December 10, 1985
    Assignee: Calgon Carbon Corporation
    Inventor: John J. Farmerie