?????：?????? ??????? ??? ???? ?? ???? ?????? ???????? ?????? ????? ??? - ????? ?????, ????, ????????? (????) ??????? ????? ???????.
????? ??? ??? ??? ??? ???? ?????? ?????? ?? ???? ????, ?????? ?????? ???????? ??????? ??????. ????? ???? ????? ??? ??? ??? ?????? ??? ?? ?? ????? ??????, ??? ?? ????? ????? ???????? ??????? ?????? ?? ?????? ?????, ????? ??????? ?????????, ??????? ?????? ????.
????? ????, ????????? ??? ?????? ????? ?????? ?????: ??? ??? (??? ?????), ??? ????, ??????? ??? ???????. ??????? ????? ??????, ????? ??? ?????? ????? ??????? ?????? ????????, ???? ?????? ????, ???? ??????, ???? ?? ??????? ???? ??????. ?????? ???, ?? ????? ???? ??? ?????? ????? ??? ??????? ??? ???????. ????? ???? ????? ????? ??? ???? ??????? ?? ??? ?????? ?????, ?????? ????????, ????? ????.
?????? ??????? ??? ????? ?? ????? ?????? ????????.????? ?????? ????? ???—????? ?????, ????, ????????? (?????), ????????? ????? ???????. ??? ?????? ?? ???? ?? ??? ????? ??????? ???????—??????, ???? ore ?????????, ????? ?????, ???? ?????, ???????? ?????—??????? ???? ???? ???? ????? ?? ???????? ??? ????????? ???????.
1. ???? ???????? ???-?????????
??????:??? ?????? ???????? ??????? ????? ?????? ????? ???, ????? ?????, ????? ?? ????? ??????? ??? ??? ???????? ?? ???????? ??? ????? ????? ??? ?????? ??????.
???? ????? ??? ????:????? ?????? ????? ??? ????? ????? ??????? ??? ?????? ???? ???? ???? ?? ???? ???????? ????? ?? ????? (????, ??? ????? ????? ??????? ???).
????? ?????:
- ????? ?????? ?? ????? ???????
- ????? ????? ????
- ????? ??? ?????? ??????? ?'????, ??????? ???, ??? ?????? ?? ????? ?????????
- ????? ????? ??????? ?????
? many plants ????? ???, ????? ????? ?????? ?????? ?????? ??? ?????? ??? ????? ?? ????? ??????.
???? ?????:???????? ???????, ???????? ??????, ?????, ???????? ???????, ???????? ??????????, ?????? ?????????????????. ???? ?????? ??? ????? ????? ?? ??????.
??????? ?????:
- ???????: ????? ????, ???? ?????, ??? ????? ????, ??????? ????? ????? ??? ??.
- ??????: ???????? ????? ???? ?????? ??? ???? ????? ????.
- ????? ??????: ?????? ?????? ???? ???? ????? ?? ?????????? ????? ?? ?????? ????? ???????, ?? ???? ????? ?? ??? ??????.
2. ???? ????
??????:???? ?? ??????? ??????? ???? ?? ??????? ?? ??? (?????? ??? ????? ?????????). ??????? ????? ? reagent, ??????? ??????? ?????? ??? ?????? ?????? ????? ?????, ?? ?????? ?????? ??????.
???? ????? ??? ????:????? ???? ???????? ?? ??? ??????? ???? ??? ???? ????? ????????? (??? ?????, ?????????), ??????? ?? ???????? ?????????? ??????? ???.
????? ?????:
- ????? ????? ??-???? ?? ore ???????
- ?????
- ???? ???? ?????? ???????? (??????, ???????)
- ????? ??????? ???? (???? ??, ???, ?????)
- ???? ????? ?????? ????? ??? (???? ????? ???? ???? ?????).
???? ????: ????? ??????, ????? ?????, ??? ????, ?? ???? ?? ????? ????? (????? ?????), ???? ???? (????? ?????? ??????? ????).
??????? ?????:
- ???????: ???? ????? ????? ?????? ???? ???? ??? ????, ????? ????? ???? ?? ????? ????.
- ??????: ??? ?????? ????? ?????? ???? ??? ????.
- ????? ??????: ?????? ?????? ?????? ??????? ???????? ??????? ??? ?????-???????, ?? ?????? ????? ?????? ??????? ????????? ?????.
3. ???? ????????? (?????)
??????:?????? ???????? ????????, ????? ?????? ?? dissolves ??? ??? ????? ??????? ???-??????. ??? ?? ???? ??????? ???? ?? ?????, ?? ?????? ?? ????? ????? ?? ??? ????.
???? ????? ??? ????:ore ??????? ???? ????? ?????? ???? ????? ??????, ?????? ??? ?? ???? ?? ??????? ??? ????? ?? ???? ???????? ??????????.
????? ?????:
?????? ??? ????? ???????:
① ???????? ?? ??????: ????? ???? ???? ?? ????? → ????? ?????? → ?????/???? → ????? & ?????????? → ???? ????.
② ????? ?????????: ?? ????????? ?????? ????? ???? ???? ????? ?????? ?????? ?????? ????, ?? ????? ???? ????? ???? ???????.
???? ????: ?????? ??????, ???? ?????, ????? ????? ???? ???? (HPGR), ????? ??????, ???? ?????, ????? ?????, ????? ????? ???????????, ???? ????? ??? Merrill-Crowe. ???? ??? ????? ????? ???? ?????.
??????? ?????:
- ???????: ??? ????? ????, ????????? ????, ????? ???? ?? ???.
- ??????: ?????? ????? ?? ??????, ????? ????? ???????? ??????? ???????.
- ???? ????: ????? ?????? ????? ?????? ??? ???? ?????? ?????/?? ??????.
4. ?????? ????? ?????? ores ??? ???????
???? ????? ??? ??????? ???????, ????? ??? ???? ???? ???? ?????? ????. ????? ??????? ????? ?? ????? ?????? ??? ?????? ??????. ??? ??????? ??????? ??????.
(I) ????? ????? ?? ?????-????
?????? ??????:????? ????? ?????? ??? ??, ???? ?????? (???????) ?????? ??? ???? ???? ???????? ?? ?????? ?? ?????? ??????. ??? ?????? ???? ?????? ??????? ?? ??? ?????? ????? ?? ???? ?????? ?????? ??????.
????? ?????:????? ????? ?????? → ????? ????? ??? ?????? (????? ??? ??) → ????? ????? ????? → ???? (????? ??? ??) → ??? ???????? ??????? ????? ???? ????.
????????:????? ??? ?? ???, ????? ????? ??? recupera??o ?????? ?????? ?????, ?? ????? ????? ??? ???? ????? ?? ????? ????? ?????.
(II) ????? ????-????????? ?????
?????? ??????:??????? ???? ?? ?????? ?? ???? ??????, ??? ???? ??? ????? ?? ??? ???? ???????. ?? ????? ?????? ??????? ???? ???? ???? ????? ????????? ????? ???? ????? ???????.
????? ?????:????? ?????? ??????? → ????? (???? ????? ???) → ????? ????? (????? ?????) → ????? ?????? ????? ??? → ????? ?????; ?? ?????? ???? ???????? ?? interfering, ????? ????? ????? ???? ??? ?????.
????????:????? ????? ???? ?????, ????? ?? ????? ??????? ???? ??????, ????? ????? ????? ?????? ??????? ???????. ??? ???? ????? ????? ????? ????? ???? ?? ???? ?????? ????? ??????.
?? ????? ?????? ??? ???????? ??????? ????? ????? ??? ?????? ????? ??? ????????.
??? ????? ?? ?????? ????? ?????? ore ???
????? ????? ?????? ?????????? ?? ????? ??? ????? ????? ?????? ??:
- ???? ????? ??? ????? ???????
- ???? ?????? ??? ??????? ?????
- ???? ????? ?????? ???????
- ?????? ??? ?????? ?????
- ?????? ???????? ???????????
????? ?????? ????? ??? ?????? ?????? ???? ?????? ????, ????? ???? ???????????? ?? ??????? ??? ?????? ????? ????? ???????? ????? ????.
??????? ????? ?????? ??? ???? ??????? ???
??? ?????? ??????? ??????? ????? ?????? ??? ???? ???, ??????:
- ????? ??????? ????? ?????
- ????? ???? ??????
- ????? ????? ????? ?????? ??????
- ????? ?????? ?????
??? ?? ??? ?????? ?????? ??? ??? ?? ??????? ???? ????? ????, ???? ?????? ?????? ???? ???? ??????? ????? ??? ???????, ?????? ??????????? ?????? ??????, ???????? ?????? ???? ????.
??? ??? ????? ???? ??? ???? ????? ??????? ???????? ?????? ????? ??? ?????? ????? ??????? ???.
?????
??? ?????