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987

Agglomerating Gold Ores

The Haile Gold Mine was the largest gold producer east of the Mississippi River prior to 1942. It is currently the only producing gold mine in the Southeastern United States. Current development involves the mining and heap leaching of some 1000 TPD. Carbon is employed as a recovery medium. Due to its clayey nature and … Read more

Coal Bioleaching

A new approach is emerging that deals with desulfurization of coals by bio-mediated reactions. Desulfurization of coal involves oxidation of pyrite and elemental sulfur inclusions by the bacteria The organisms, ferrooxidans and thiooxidans, were the most frequently cited to be associated with the formation of acid in coal mine drainage and sediments as well as in … Read more