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Small-scale gold mining is the largest anthropogenic contributor of mercury pollution on planet Earth The miners grind gold ore together with mercury in order to recover the fine gold grains The gold amalgam is burned whereby the mercury evaporates and gold is left behind This processing extracts The Borax Method of Gold Extraction for Small-Scale Miners ,An obvious drawback of this method is the toxicity of mercury2, 3 The health risk of mercury is well known today in many parts of the world, but in remote small-scale mining (SSM) communities that knowledge is still scarce4 Gold extraction by amalgamation releases large amounts of mercury into the environment as metal mercury, which is later Processing Method In Small Scale Gold Mining - bwellmx,processing processing method in small scale gold mining Method of Gold Extraction using Borax Small china suppliertons small scale gold processing plant gold mining China Mineral Processing Small Scale Gold Mining non-magnetic impurities) it is a

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mineral processing small scale gold mining equipment Gold mining Wikipedia Gold mining is the resource extraction of gold by mining As of 2016 the world's largest gold It is particularly appropriate for low grade gold and silver ore processing (eg less than 5 ppm gold) but its use However mercury is still used in artisanal and smallscale gold mining (ASGM) often clandestine gold prospecting,,