?????? ???：??? ???? ???? ????? ??? ???? ?????? ?? ?? ??? ????-?? ????? ????? ??? ???? ??????

??? ???? ???? ????? ??? ???? ?????? ?? ?? ??? ????-?? ????? ????? ??? ???? ?????? ?? ?? ?? ????? ?? ???? ???? ??? ??? ??? ??? ??? ??? ???? ?????? ???? ??? ?????? ??????? ???? ???? ?? ???? ????? ?? ????? ????? ????? ???????

Metal Ore Beneficiation Methods

1. ???? ???: ??????? ??? ??? ????? ????

???? ??? ?????? ????? ???? ?? ?????? ??? ???? ????? ???? ???? ???? ?????? ?? ???? ???? ??? ??? ??? ?? ??? ??? ???? ???? ????? ??? ??? ???? ??? ???? ???:

1.1 ????? ?? ???? ?????: ???? ????? ??????? ???

  • ??? ????:??? ??? ?? ?? ??? ??? ????? ???? ?????? ????? ??? ???? ?? ?????? ??? ???? ????? ???? ??? ?? ?? ?????? ??? ?????? ?? ?? ??? ????
  • ??? ???: ???? ???? ??? ???? ???? ? ????? ?? ??? ?????? ????? ???? ???? ????? ??? ???? ?? ??????? ??? ??? ??? ??? ????? ???? ????? ??? ??? ??? ??? ????? ???? ??? ????? ??? ??? ??? ???? ???? ???? ????
  • ??? ????????:
    • ???? ??? ??? ???? ??? ????? ? ??? ?? ?????? ????? ???? ?? 25%-30% ????? ???? ??? 65% ????? ?????
    • ??????? ??? ????? ???? ????? ?????? ???? ?? ??? ?????? ??? ??? ??? ???? ??????
  • ???????:??? ????? ?? ?????? ???? ?? ??? ?? ???? ???? ???? ??????? ???? ?? ???? ????? ??? ??? ??? ??? ??? ???
Magnetic Separation

1.2 ???? ?????: “????-????” ??? ????

  • ??? ????:???? ???? ????? ??? ?? ?? ???ta??? ???? ???? ?? ????? ??? ???? ??? ???
  • ?????? ???: ????, ???, ????, ?????? ??? ?? ??? ??? ????? ???? ??? ??? ???? ??? ????? ?? ??? ????? ?? ??? ???? ???? ??? ?????? ????????
  • ??? ????????:
    • ????? ??? ????? ??? ?? ???? ?????? ???? ????? ??? ?? ?0.3%-0.5% ???? ?? 20%-25% ???? ??????? ??????
    • ???? ???? ?????? ??????? ??? ??????? ????? ????? ?????? ???? ?? ????? ???? ??????? ??? ?????? ??? ???? ???? ???? ?????? ???? ?????
  • ???????:???? ???? ????? ??? (?????? ??? 90% ???? ??? ???) ???? ?????? ????? ???? ????? ?????
  • ??? ?? ???? ??? ???? ?? ?? ???? ???????? ??? ??? ????? ??? ???? ?????? ????????
Flotation Machine

1.3 ???? ???????: ?????? ???? ?????? ????? ?? ????? ???? ????? ??? ????? ?????

  • ??? ????:???? ???? ????? ??? ???? ??? ??? ????? ???? ?????? ????? ??? ????? ??? ???? ???? ???? ???? ?????? ??????
  • ?????? ???: ??? (???? ?? ?? ??? ????????), ?????, ??, ?????, ????? ?0.074 ?? ??? ??? ?? ??? ??? ??? ??? ?????????
  • ??? ????????:
    • ???? ??? ??? ??? 95% ??? ????? ??? ??????? ????? ?? ???? ?????? ???? ????
    • ????? ?? ?? ????? ???? ???? 70%-80% ???? ???? ??? ???????
  • ???????:???? ????? ????? ???? ??? ??, ??? ???? ??, ??? ????? ???
  • ??? ?? ???? ??? ???? ?? ?? ???? ?????? ???? ????? ?? ?????? ?????? ?? ????? ???? ????? ??? ?????? ???? ???? ?? ??? ????? ???? ??? --
Gravity Separation

1.4 ????????? ????? ????? ??? ??? ?????

  • ??? ????:??? ?????? ??? ?? ???? ???? ????? ??? ?? ??? ?????? ???? ?????? ????? ??? ?????? ??? ????? ??? ???? ???? ????? ???? ????.
  • ?????? ???: ???? ???? ???? ???? ?????? ????? ?????? ????? ?? ?? ?? ?????? ????? gebruiker (??? ????? ?????? ?? ???? ??? ? delete).
  • ??? ????????:
    • ????? ????? ??? ???: ?????? ????????? ???? ?? ????? ???? ?? ??? ?? ?????? ??? ???? ?? ??? ???? ????
    • ???? ????: ???? ??? ??? ???? ??????? ??? ????? ?????
  • ???????:???? ??? ???? ???????? ??? ???? ???? ????
  • ??? ?? ???? ??? ???? ?? ?? ???? ??????? ???? (????? ???? ?? ????? ?????? ?????)? ???? ????? ?????? ??? ?? ????? ??? ??? ??? ??? ???? ?????

2. ????? ??????? ???? ?? ????? ????? ?????

??? ?????? ???? ????? ? ????? ??????? ?????? ??? ?????

2.1 ????? ???? “????? ?? ???” ??? ???

  • ??? ????:?????? ?? ??? ??? ???? ???? ???? (???? , ?????? ??? ????? ???? ?????) ?
  • ?????? ???: ??? (??????), ????, ??? (?? ?????), ???, ????, ?? ??? ??? ???? ??? ?? ???????? ??? ???? ??? ???????
  • ????? ???:
    • ??? ??????: ??? ?? ??? ??? ?? ???? ??? ???? ???? ????; ??? ?? ???? ??? ???? ???? ?? ??? ??? ???? ??? ????? (??? ??? ????? ≥90%). ???? ????? ?????? ????????
    • ??? ???? ?? ????: ??? ?? ?????? ?? ?? (0.2%-0.5% Cu) ?????? ??? ?????? ?? ??????? ?? ????? ??? ???? ?????? ?? ???????? ????? ??? (SX-EW) ????? ?????? ?? ??? ??? ?? ????? (???? ?? ?? ???? ?????)

2.2 ?????-???? ???? ???

  • ??? ????:?????? ???? ??? ??? ???? (300-1000°C) ????? ????? ?????? ?????? ??? ??? ?????? ????? ?? ?? ???? ??? ????? ????? ???.
  • ?????? ???: ??? ???? (e.g., ???? ???? ??? ???? ???) ?? ????? ????? (e.g., ????).
  • ????? ???:
    • ???? ???? ????: ???? ???? ?? ???? ???? ????? ??? ????? ??? ??? ?? ????? ????? ??? ??????
    • ??? ???? ????: ???? ??? ?????? ????? ??? ????? ??? ??????? ??? ??????? ???? (?As?O? ????) ???? ??? ?? ?????? ??? ??? ????? ???? ??????

2.3 ??????? ???? ??? ???? ??? ?? ?? ?????? ????? ??????

  • ????:????? ????????? (????? ????????? ????????? ????????? ????????) ?????? ??? ?????? ??? ???? ???? ??? ???? ??? ??? ??? ??????? ???? ????? ??? ?? ??? ??? ??????? ??????
  • ?????? ???: ?? ?? ??? ??? ?? ???? ???? ?????? ???? ??? ??? ???? ?? ???
  • ???????:????? ?????? (????? ??? ?? ??? ??????? ???? ??? ????? ?? 0.1%-0.3% ?? ?? ?? ??? ???? ???????
  • ??? ?? ???? ??? ???? ?? ?? ???? ??????? ?????? ????? ??? ????? ????? - ????? ??? ??? ??????? ???? ?? ????? ????? ??? ???????
  • ????? ??????:??? ??? 20% ???? ??? ??????? ????? ??? ??? ????? ?????? ??? ?? ?????

3. ?????? 3 ??? ???? ??? ??? ???? ???? ????

3.1 ????? ??? ?????:

  • ????? ????? (??. ????) → ????? ????? ????
  • ??????? ???????? ???? ??? ???? ????? (??. ?? ???) → ????
  • ????? ??? ??? ??? ??? (??. ?????? ???? ??? ????) → ???? ???? ???????

3.2 ???? ???? ?? ????? ????????

  • ?? ??? ?? ????? ????? → ??????? ??? ????? ???? (??? ???? ??)
  • ???? ??? ??? ?? ?? ????? ??? ?????? ???? ??? ???? (???? ???????)
  • ???? ???? ???? ??? ?? ????? → ?????? ??? ??-?? ??? ?????

3.3 ???? ??? ????? ????? ??:

  • ????? ??? ??? ?? ?? ???? ??? ????
  • ??? ???? ???? ???? ??????? ?? ???? ??? ???? ???? ???? ??? ?? ????? ???? ???? ??????