Patents by Inventor Tomoya Morimoto

Tomoya Morimoto 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 RECOVERING LEAD FROM COPPER SMELTING DUST
    Publication number: 20240076759
    Abstract: There is provided a method for recovering lead from copper smelting dust according to the present invention includes an alkali leaching step of leaching lead contained in copper smelting dust with an alkali solution, a step of performing a solid liquid separation on a post-leaching solution and a leaching residue after the alkali leaching step, a neutralization step of adding an acid to the separated post-leaching solution to precipitate a lead, and a step of recovering a precipitate containing the lead by performing a solid liquid separation.
    Type: Application
    Filed: April 9, 2021
    Publication date: March 7, 2024
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Shu Muraoka, Fumito Tanaka, Tomoya Morimoto