Gruncharitsa Mine > Elshitsa BP > KCM 2000 AD Smelter
Gruncharitsa Project Mining and Ore Processing
Underground Mining
Sublevel Stoping + Crushing to -25mm
Pre-concentration stage
XRF/UV separation
Ore Transport
Truck+Train to Elshitsa Beneficiation Plant
Ore Beneficiation
Gravity, sieving (-5mm), froth flotation, etc.
Scheelite Concentrate: 32 % WO3
Pyrite Concentrate: 37-39 % Fe and 43-45 % S
Final Transport and Trade of Concentrate
KCM-2000 Smelter
Hydrometallurgy (Chemical Processing) at KCM-2000 Smelter
Tungsten Concentrate 65.28 % WO3 (Tungsten trioxide, tungstic acid or ammonium paratungstate (APT));
Pyrite Concentrate to be processed in the lead (Pb) production scheme