Patents Assigned to YIYANG HONGYUAN RARE EARTH CO., LTD
  • Monazite ballast separation and recovery method
    Patent number: 9657369
    Abstract: The invention relates to a separation and recovery method for radioactive waste slag and specifically relates to a separation and recovery method for monazite slag. The separation and recovery method comprises the following steps: acid leaching, pressure filtration, water washing, extraction of valuable components and treatment of filtration slag.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: May 23, 2017
    Assignee: YIYANG HONGYUAN RARE EARTH CO., LTD
    Inventors: Qi Wang, Yuehua Chen, Xiaozhen Cui, Ping Ren, Keqin Liu, Geming Xu, Weiquan Guo, Yan Zhu