Patents by Inventor Danilo ARRUÉ

Danilo ARRUÉ 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).

  • Recovery of copper from heap leach residues
    Patent number: 11618934
    Abstract: A process for recovering copper from heap leach residues containing residual copper, includes identifying a production zone within the heap leach residues for secondary leaching, drilling wells into the heap at locations suitable for delivering leach solution into the production zone, injecting the leach solution including ferric ions through the wells and aerating the production zone to facilitate oxidative reactions within the production zone, and collecting effluent from the heap for copper recovery therefrom.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: April 4, 2023
    Assignee: TECK METALS LTD.
    Inventors: Hector Lizama, Danilo Arrué
  • RECOVERY OF COPPER FROM HEAP LEACH RESIDUES
    Publication number: 20200340077
    Abstract: A process for recovering copper from heap leach residues containing residual copper, includes identifying a production zone within the heap leach residues for secondary leaching, drilling wells into the heap at locations suitable for delivering leach solution into the production zone, injecting the leach solution including ferric ions through the wells and aerating the production zone to facilitate oxidative reactions within the production zone, and collecting effluent from the heap for copper recovery therefrom.
    Type: Application
    Filed: March 14, 2018
    Publication date: October 29, 2020
    Inventors: Hector LIZAMA, Danilo ARRUÉ