Ball Mill Gold Recovery Ball Grinding Machine Gold Recovery.We sent a substantial amount of quartz gold ore to a mill for processing. after a couple hundred tests on the material an average grade was calculated. after milling for several days the mill says there is way less gold in the ore than what had been estimated. once milling began samples were takesend message
Praha is a leader in the mining industry, mainly with sand and gravel equipment, milling equipment, mineral processing equipment, building materials equipment, etc..