发明公开
EP2850226A1 ELECTROLYTIC CELL FOR PRODUCTION OF RARE EARTH METALS 有权
电解槽FOR稀土生产

  • 专利标题: ELECTROLYTIC CELL FOR PRODUCTION OF RARE EARTH METALS
  • 专利标题(中): 电解槽FOR稀土生产
  • 申请号: EP13790439.7
    申请日: 2013-05-15
  • 公开(公告)号: EP2850226A1
    公开(公告)日: 2015-03-25
  • 发明人: KENIRY, JeffreyKJAR, Anthony Rudland
  • 申请人: Lynas Services Pty Ltd
  • 申请人地址: Level 7, 56 Pitt Street Sydney, New South Wales 2000 AU
  • 专利权人: Lynas Services Pty Ltd
  • 当前专利权人: Lynas Services Pty Ltd
  • 当前专利权人地址: Level 7, 56 Pitt Street Sydney, New South Wales 2000 AU
  • 代理机构: Zinkler, Franz
  • 优先权: AU2012902017 20120516; AU2013204396 20130412
  • 国际公布: WO2013170299 20131121
  • 主分类号: C25C7/00
  • IPC分类号: C25C7/00 C25C3/34
ELECTROLYTIC CELL FOR PRODUCTION OF RARE EARTH METALS
摘要:
An electrolytic cell for production of rare earth metals is disclosed. The electrolytic cell includes a cell housing provided with one or more inclined channels disposed in a floor of the cell housing along which channel(s) molten rare earth metals produced in the electrolytic cell can drain. One or more cathodes are suspended within the cell housing in substantially vertical alignment with the one or more channels. Respective opposing surfaces of the one or more cathodes are downwardly and outwardly inclined at an angle from the vertical. One or more pairs of anodes are suspended within the cell housing; each anode in the one or more pairs has a facing surface inclined from the vertical and spaced apart in parallel alignment with respective opposing inclined surfaces of the one or more cathodes to define a substantially constant anode-cathode distance therebetween. The electrolytic cell also includes a sump for receiving molten rare earth metals from the channel, wherein the sump is spaced apart and isolated from the one or more cathodes and the one or more anodes. Separation of the molten rare earth metals from the cathode(s) and the anode(s) prevents reaction and/or contamination with fugitive carbon arising from the anode(s) or back reaction with off gases.
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