Patents Assigned to Kureha Kagaku Kogyo Kabushika Kaisha
  • Method for reclaiming a used active carbon by applying electric current directly in parallel flow with carbon flow
    Patent number: 4139489
    Abstract: A method for continuously reclaiming used active carbon particles by application of an electrical current to electrodes having a plurality of apertures of a defined size and which are vertically spaced in a vertical column through which the used particles flow downwardly, filling the space between the electrodes.
    Type: Grant
    Filed: January 12, 1977
    Date of Patent: February 13, 1979
    Assignee: Kureha Kagaku Kogyo Kabushika Kaisha
    Inventors: Toshio Mizuno, Heiichiro Murakami