Grinding Mill Manual Small Scale Gold Miners.the mercury problem in artisanal gold mining. mercurybased artisanal and smallscale gold mining causes more mercury pollution than any other human activity. In this practice, mercury metal is used to extract gold from ore as a stable amalgam. the amalgam is then heated to evaporate the mercury and isolate the gold.send message
Praha is a leader in the mining industry, mainly with sand and gravel equipment, milling equipment, mineral processing equipment, building materials equipment, etc..