Patents Assigned to TOWN MINING CO., LTD
  • RECOVERY METHOD OF TIN AND NICKEL FROM SCRAPS OF STEEL BALL FOR BARREL PLATING
    Publication number: 20130264217
    Abstract: The present invention relates to a method of recovering tin and nickel compounds with high purity at a high yield from scrap steel balls for barrel plating through simple processes without using an excess amount of a solvent, the method using an eco-friendly dry pretreatment and subsequent processes including hydrogen reduction and electrolytic refining under certain conditions.
    Type: Application
    Filed: May 3, 2012
    Publication date: October 10, 2013
    Applicant: TOWN MINING CO., LTD
    Inventors: Dae-Weon KIM, Seong-Tae JANG, Soon-Ryung CHOI