. a range of interventions, known as clean coal technologies, are being developed. in certain instances, these have already been employed in the effort to mitigate the environmental consequences of coal combustion. south africa's remaining coal reserves are generally of a lower quality, with higher ash...
stations to generate electricity. steel production the steel industry is the second largest user of coal. coal and iron are essential raw materials used in the production of steel, which is one the most useful metal products known to man. coking coal is a solid carbonaceous residue derived from low-ash...