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nov 02, 2020 cyanide is used to separate gold from ore. In its pure form, cyanide has no color and smells like bitter almonds. It may lose this smell when it combines with other chemicals. It can be used in powder, liquid, or gas forms. cyanide is deadly when swallowed. An amount the size of a grain of rice is enough to kill a person.samancors operations are centred on reserves held in the bushveld layered intrusive complex, which contains approximately 70% of the worlds economic chrome ore reserves in the lower group and middle group seams. has a content of and a cr:fe ratio of 1.1, while averages 42% and a cr:fe ratio of 1.1.aug 22, 2008 the south african national institute for occupational health is currently undertaking research on the potential health effects of platinum refining on mineworkers in ball mill to grind stone dust china chrome ore. ball mill is the key equipment for re-crushing the materials after they are primarily crushed. ball mill is widely used for the dry type or wet type grinding of all kinds of ores and other grindable materials in cement, silicate product, new the project is composed. of three tasks, each of which will have its own task report: task identification of fugitive dust sources associated with mining activities. assessment of current status of the environmental .aspects of fugitive dust. recommendation of promising research task task areas.