Patents by Inventor Severine Giordana

Severine Giordana 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).

  • Method for the treatment of iron-containing sludge
    Patent number: 11519053
    Abstract: The present invention provides a method for the treatment of sludge containing iron and between 4.5% to 12% by weight of zinc. This method includes a leaching step wherein leaching agents include hydrochloric acid and chlorate, and wherein the pH of the leachate directly resulting from this leaching step is set at a value below 1.5. A recycling method and treatment installation are also provided.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: December 6, 2022
    Assignee: ArcelorMittal
    Inventor: Severine Giordana
  • Method for the Treatment of Iron-Containing Sludge
    Publication number: 20190177815
    Abstract: The present invention provides a method for the treatment of sludge containing iron and between 4.5% to 12% by weight of zinc. This method includes a leaching step wherein leaching agents include hydrochloric acid and chlorate, and wherein the pH of the leachate directly resulting from this leaching step is set at a value below 1.5. A recycling method and treatment installation are also provided.
    Type: Application
    Filed: May 4, 2016
    Publication date: June 13, 2019
    Inventor: Severine Giordana