发明申请
US20040068156A1 Heavy metal stabilization using wet process phosphoric acids and complexing combinations, particularly for mining waste 审中-公开
重金属稳定使用湿法磷酸和络合组合,特别是对于采矿废料

  • 专利标题: Heavy metal stabilization using wet process phosphoric acids and complexing combinations, particularly for mining waste
  • 专利标题(中): 重金属稳定使用湿法磷酸和络合组合,特别是对于采矿废料
  • 申请号: US10677161
    申请日: 2003-10-01
  • 公开(公告)号: US20040068156A1
    公开(公告)日: 2004-04-08
  • 发明人: Keith E. Forrester
  • 主分类号: A62D003/00
  • IPC分类号: A62D003/00
Heavy metal stabilization using wet process phosphoric acids and complexing combinations, particularly for mining waste
摘要:
The invention pertains to a method for reducing the leaching of heavy metal from heavy metal the surface of a heavy metal bearing material or waste. The method includes contacting the heavy metal bearing material or waste with a wet process phosphoric acid, optional complexing source and optional surfactant.
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