FIELD: technological processes.
SUBSTANCE: invention relates to extraction of gold from technogenic mineral raw materials by heap leaching after mining. Proposed method comprises crushing and screening of ore material, stacking, construction of irrigation system, leaching of gold, collection of productive solutions and subsequent extraction of gold by sorption. At that, when screening ore material in the drum screen, preliminary removal of large fragments of the fastening wood in the form of oversize screening product is performed, and the undersize screening product is subjected to agglomeration. Pelletized mineral mass is cured for hardening of pellets, after which the pellets are placed in a pile.
EFFECT: technical result of proposed method of heap leaching of gold is increased degree of gold extraction by 6–8 %.
1 cl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| LINE FOR PROCESSING GOLD-CONTAINING RAW MATERIALS OF MAN-GENERAL DEPOSITS | 2021 |
|
RU2763829C1 |
| METHOD FOR HEAP LEACHING OF GOLD FROM REFRACTORY ORES AND TECHNOGENIC MINERAL RAW MATERIAL | 2015 |
|
RU2585593C1 |
| METHOD OF PRECIOUS METALS RECOVERY FROM HEAP LEACHING ROBBED-OUT BINGS | 2015 |
|
RU2622534C2 |
| METHOD FOR EXTRACTION OF DISPERSE GOLD FROM REFRACTORY ORES AND TECHNOGENIC MINERAL RAW MATERIAL | 2011 |
|
RU2490345C1 |
| METHOD FOR HEAP LEACHING OF GOLD FROM REFRACTORY ORES AND TECHNOGENIC MINERAL RAW MATERIAL | 2015 |
|
RU2608479C1 |
| HEAP BIOLOGICAL LEACHING LEAN REFRACTORY MINERAL RAW MATERIALS OF NATURAL AND TECHNOGENIC ORIGIN | 2017 |
|
RU2679724C1 |
| METHOD OF EXTRACTION OF DISPERSE GOLD FROM REFRACTORY ORES OF TECHNOGENIC MINERAL RAW MATERIALS (VERSIONS) | 2014 |
|
RU2566227C1 |
| METHOD OF BATH-WELL LEACHING OF METALS | 2011 |
|
RU2475639C2 |
| METHOD FOR HEAP LEACHING OF GOLD FROM MINERAL RAW MATERIAL | 2015 |
|
RU2608481C2 |
| EXTRACTION METHOD OF GOLD FROM OXIDISED ARGILLACEOUS GOLD-BEARING ORES | 2010 |
|
RU2430170C1 |
