??????：??????? ?????? CIL ????????? ?????????? ?????? ????: ?????, ??? ????, ???? ??? ????, ???????, ??? ?????? ??????. ????? ????? ??? ????????? ???? ????? ????.
??????-??-??? (CIL) ????????? ???????? ?????? ?????? ?????????????? ?? ???. ???? ??????????? ?????????? ???? ????????? ????????? ????????. ?? ??????? ?????? ??? ?????? ?????? ???? ???? ??????????? ?????????? ???????? ????, ???? ????????????? ??????????? ??? ????? ??????? ??????.
A ????? ???? ?????? ????????? ??????? ??????? ?????????? ???????, ????????? ???????, ??? ???????? ???????, ?????? ??? ???? ???????, ??????? ??? ?????????????? ???????, ??? ?? ????????????? ????????? ???????? ?????? ????? ?????? ???.
CIL ????????????? ????? ???? ?????????
CIL (??????-??-???) ????????? ??????? ???? ??????? ?????????? ?????? ???? ???? ???? ???? ???? ?????????? ??????????? ????? ??????? ??? ??? ?????? ??????? ?????????????? ?????????? ??????? ???? ??? ????.
CIL ?????? ????? ???:
- ???????? ??????? ?????????? ?????? ??????? ???? ????.
- ??-??????? ??? ??-??????????? ????
- ??????? ?????? ?????? ?????? ???????? ????
- ???? ?????? ??????? ????????? 0.1 ???? ?????? ???? ????.
- Medium-grade ores (commonly 1–10 g/t, depending on project economics)
?? ????????? ???????? ?????? ?????? ????? ???? ?????? ???? ??? ???????? ?????? ???? ???????? ???? ??????????????????? ??? ????????? ??? ????.
For refractory ores—such as those containing high sulfide content, preg-robbing carbon, or encapsulated gold—additional pretreatment methods may be required. These can include flotation, roasting, pressure oxidation, or ultrafine grinding before the CIL stage.
????? ???? ?????, ????????? ??????? ??? ??????? ??? ?????? ???????? ????? ?????? ???, ?????? ??????????? ????????? ?????? ?????????? ??? ???????? ????????????? ?? ??????????? ?????? ???.
????? CIL ????????? ??????
1. ??????? ??????
????? ???? ????? ???? ???????? ?????? ???? ??? ??????? ?????????? ???????? ????????? ?? ????????? ???? ????. ???? ?????? ??? ???? ????? ????????????? ???-??????? ?????????? ??? ????????? ???????? ????????? ??????? ????.
???????? ??????? ??????? ?????? ???????? ???????? ??????? ????. ?????????? ???? ?????? ?????? ????????? ?????????? ????? ??????????? ?????? ????, ???????? ??? ???? ??????? ??????? ???? ????. ????????? ??????? ??????? ???? ??????? ???????? ????? ????????????? ???? ????.
2. ??????? ???????
????? ????? ????????
????? ??????? ??????? ?? ??????? ?????????? ????? ????????? ???? ???? ??? ??????????? ??? ???????? ???? ????. ??? ????? ??????? ???-??????? ??????????????? ?????.
?????????? ???????? (????? ??) ????? ????????? ??????? ?????????? ?? ???????? ??? ????, ?? ?????????? ????????? ????? ???????? ?????.
???????-??? ???????
?? ????? ??? ????? ????????????????? ????????????? ????. ????????????????? ???? ??????? ??? (????? ???) ??????? ?????????? ??? ???????? ??? ???? ???????? ???-????????? ????????? ??????? ???? ????.
??????? ?????????? ??? ??????? ??????? ?????? ????? ????? ????, ?? ??????????????? ????????? (??????? ??) ????? ????????? ???????? ????.
3. ???? ???????? ???????
??????????????? ????????? ????? ?? ???? ??????????? ????. ???????? ????? ?? ???????? ???????? ???? ???? ???????????? ????????????? ????? ????. ???????? ????? ????-??? ???????????? ???????? ????. ????????????? ????????? ????????? ??????: ??????? ????????? ?????????????? ??????????? ?????????? ??????? ??? ????; ??????? ???????? ????? ?????? ???? ???????? ???????????? ?????????? ?????? ????.
?. ?????? ??? ???? ???????
??? ????? ?????? ??????? ?????? ???????????? ??????? ????????? ??????? ????? ????. ????? ?????? ??????????? ??? ???? ??????????? ??????? ??? ???? ????, ???? ???? ??? ???? ???? ??? ???? ???? ???????? ???????? ????? ????.
???????????????, ????? ???????????????? ?? ??????? ?????????? ???? ????. ???? ?????? ????? ????????????? ???????????? ???? ????, ?? ???? ????? ???????? ????????? ?????????? ????? ????? ?????? ????.
???? ?????? karbon ????? ???? ????? ????? ????. ??????? ????????? ?????? ????????? ????????? ???? ????, ?????? ?????? ??????????? ??????? ????? ????, ?? ???? ????? ????? ????? ???????? ????.
?????? ?????? ??? ??? ??????? ???? ??????? ??????? ????? ????? ????. ?????? ??? ?????? ????????? ????, ???? ?????? ?????? ????? ???? ????. ??? ?? ??????? ?????? ???? ?? ?????? ???? ????? ????, ?? ?????? ?????? ???? ????????? ?????????? ???????? ??? ??????????????? ?????????? ??????? ????.
5. ??????? ??? ????????????? ???????
???? ?????? ??? ???? ????????? ??????????, ??? ?????????? ???????????? ??????????, ???????? ??????? ???? ?????????? ????????????? ?????????? ???? ????.
The gold-bearing solution then undergoes electrowinning, producing gold sludge. The gold sludge is sent to the smelting workshop for refining, ultimately producing doré gold.
6. ???????? ????? ????????? ????? ??? ???????? ?????????
??????? ?????? ????? ?? ????? ????????? ?? ?????? ?????????? ??? ???? ????. ???? ?????? ??????? ????????, ?????????? ??? ??? ???? ????????? ??????? ????.
??????? ???? ?????? ????????? ????? ???? ??? ?????? ????????? ??????? ?????????? ???????????? ??? ????. ?????? ??? ?????? ??????????? ????? ????, ?????????? ??? ???? ???? ??? ???? ?????????? ????? ??????????? ???? ????.
???? CIL ??????????? ?????
???? ?????? ????????? ?????? ?????????? ??????????????? ?????????? ?????? ??????? ???????????, ???? ????????????? ??????????????? ??? ????? ?????? ??????????????? ?????? ????????? ?????? ????.
1. ????? ?????? ??? ????
CIP (??????-??-????) ????????????? ??????, CIL ????? ???? ????? ?????? ??? ?????? ???? ????? ??????? ???? ????. ?????? ????????? ???????? ??? ??? ???? ??? ????? ????????????????? ???? ?????????? ???? ??? ????.
?. ???? ???? ?????????????
Under properly optimized conditions, gold recovery rates typically reach 90–95%, and even higher for easily leachable ores.
3. ??? ?????? ??????? ????????
???? ?????? ??? adsorptions ??? ????? ??????????? ?????, ?????? ???? ??????? ?????????????? ?????? ??? ?????? ??? ??? ??????? ????????? ???????? ????, ???????? ????????? ??????? ???? ??? ????.
4. ??? ????????? ???
?????? ??? ???? ????? ????????? ???? ???????? ???????, ????????? ???????? ????????? ?????????????? ?????? ???? ????????? ??? ??? ????.
5. ??????? ??? ????? ??????????
CIL ???????? ????? ?????? ????????????? ???????????? ???? ???? ???? ???. ?????? ?????????? ?????, ???????? ???? ??? ????????? ?????? ?????? ??? ???????? ????????? ??????? ???.
?. ????? ?? ?????? ????????? ???????????? ?????
CIL ????????? ???????? ???????? ???? ??? ????????? ???? ????? ?? ???? ???? ?? ????????? ????????????? ???? ?????? ?????.
?? ???????????? CIL ?????? ?????? ??????? ???????? ????????? ?????? ???????? ????????? ?????????? ???? ???.
??????? ?????????? CIL ????????????? ???????? ??????
The configuration of a Gold CIL Processing Plant depends on ore characteristics and processing capacity. Below is a typical example of a medium-scale hard rock gold CIL plant (500–1000 TPD):
?????????? ?????
- 1 ?? ?????
- 1 ??? ?????
- ??????? ???????
- ????? ???????? ???????
????????? ?????
- 1–2 ??? ???s
- ??????????????? ???????? ???????
- ????? ??? ??? ??????
??? ???????? ?????
- ????-???? ??? ??????
- ??????????? ?????? ??????
?????? ??? ???? ?????
- 6–8 CIL Tanks with agitators
- ?????? ?????? ????????? ???????
- ??????? ????
??????? ??? ??????????????? ?????
- ?????????? ????
- ?????? ???????
- ??????????????? ???
- ???? ????????? ?????
???????? ??? ???????? ?????????
- ?????? ????? ????? ???????? ???? ????
- ????? ???????? ??????
- ????????????? ???? ???
?????? ?????????? CIL ????????? ???????????? (???., 300 ??????), ????????? ?????? ??? ???? ??? ????. ?????? ????????? ?????????? (2000 ?????? ?????? ????), ???? ?????????? ?????? ??? ????????? CIL ?????? ?????? ???.
?????? ??????????? ?????? ????????????? ????? ??????, ?????????? ??????, ??????? ????????? ??? ?????????? ????? ????????? ?????? ????????? ???? ????.
CIL ????? ?????????? ?????? ?? ???? ??????? ??????????? ???? ??????????? ?? ?????? ????????? ??? ????????? ?????????? ?????? ?????? ???. ???? ????????????? ??, ????? ?????????????, ??? ???????? ?????? ????????, ?? ???????? ????? ??? ?????? ?????????? ???????? ??? ??????????? ?????? ????????? ?????? ????.
?????, ???????? ???????? ???? ????? ??????????? ???. ????????? ????????, ???????? ?????, ???????? ??????, ??? ??????? ????????? ?? ???????? ????????? ?????? ??? ??????????? ?????? ??? ?????? ????. ????????, ?????? CIL ??????? ????????? ???????? ????? ???? ?? ????? ?????????????? ???????, ????????? ????????????, ??? ??????? ???????????? ?????? ???? ????? ??????? ????.
??????????? ??????????????? ????? ?????? ????????????, ?????????? ????????????? ??, ??????????? ????, ????????? ????????? ??? ????? ?????? ????????? ????????? ?????????? ??????? ????? ???? ?????? ?????? ???? ????. ?? ???????????? ?????, ??????? ??? ????????? ??????, ?????? ??????? ??? ?????? ?????? ??????? ????????? ?????? ???? ??? ????, ?? ????? ?????? ??? ?????????? ??????? ?????? ????.
?? ??? ???? ???? CIL ?????????????????? ????? ??? ???? ????? ???????? ????????? ?????? ???????? ??? ????, ?? ???? ???????????? ??? ?????? ????????? ??????????????, ?????? ??????????? ??? ??????? ????????????? ?????????? ????? ????????? ???? ????????? ??? ????.
?????
?????? ?????