Patents by Inventor Kenneth N. Ekechukwu

Kenneth N. Ekechukwu 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).

  • Process for removal of hazardous air pollutants from coal
    Patent number: 6156281
    Abstract: An improved process for removing mercury and other trace elements from coal containing pyrite by forming a slurry of finely divided coal in a liquid solvent capable of forming ions or radicals having a tendency to react with constituents of pyrite or to attack the bond between pyrite and coal and/or to react with mercury to form mercury vapors, and heating the slurry in a closed container to a temperature of at least about 50.degree. C. to produce vapors of the solvent and withdrawing vapors including solvent and mercury-containing vapors from the closed container, then separating mercury from the vapors withdrawn.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: December 5, 2000
    Assignees: Howard University, CQ Inc.
    Inventors: David J. Akers, Kenneth N. Ekechukwu, Mobolaji E. Aluko, Howard E. Lebowitz