Determination of heavy metals concentrations in coal and coal gangue ...
During mining, processing and utilization of coal, the environment is exposed to piles of coal, coal gangue and coal ash, which have human health concerns. Coal and coal gangue samples were obtained from a coal mining company located in Southern Province, Sinazongwe District, Zambia. The main objective of this research was to determine the level of heavy metals in coal gangue and coal from ...