Patents by Inventor Ryan Colin HARRISON

Ryan Colin HARRISON 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 preparing a high-purity hydrated nickel sulphate
    Patent number: 11993520
    Abstract: A method for recovering NiSO4.6H2O crystals from a nickel rich organic phase is provided. The method includes contacting a nickel rich organic phase with an aqueous strip solution of sufficient H2SO4 concentration to extract nickel from the organic phase and of sufficient Ni2+ concentration to precipitate NiSO4.6H2O crystals and form a nickel lean organic phase. Also provided are methods for recovering NiSO4.6H2O crystals that include preceding processing steps, including low temperature pressure oxidation (LTPOX) autoclaving of a nickel sulphide concentrate to afford a pregnant leach solution (PLS).
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: May 28, 2024
    Assignee: IGO Limited
    Inventors: Karel John Osten, Rossano Antonio Grassi, Arturo Gutierrez Clausdorff, Ryan Colin Harrison
  • METHOD FOR PREPARING A HIGH-PURITY HYDRATED NICKEL SULPHATE
    Publication number: 20210354997
    Abstract: A method for recovering NiSO4.6H2O crystals from a nickel rich organic phase is provided. The method includes contacting a nickel rich organic phase with an aqueous strip solution of sufficient H2SO4 concentration to extract nickel from the organic phase and of sufficient Ni2+ concentration to precipitate NiSO4.6H2O crystals and form a nickel lean organic phase. Also provided are methods for recovering NiSO4.6H2O crystals that include preceding processing steps, including low temperature pressure oxidation (LTPOX) autoclaving of a nickel sulphide concentrate to afford a pregnant leach solution (PLS).
    Type: Application
    Filed: September 26, 2019
    Publication date: November 18, 2021
    Inventors: Karel John OSTEN, Rossano Antonio GRASSI, Arturo GUTIERREZ CLAUSDORFF, Ryan Colin HARRISON