Recommendation: There should be renewed support for advanced coal mining and processing research and development to optimize use of the nation’s coal resources by increasing the amount of coal that is economically minable through technological advances that ,
1110 Coal Cleaning 11101 Process Description1-2,9 Coal cleaning is a process by which impurities such as sulfur, ash, and rock are removed from coal to upgrade its value Coal cleaning processes are categorized as either physical cleaning or chemical cleaning Physical coal cleaning processes, the mechanical separation of coal from its
The Mining Process Once a mining lease has been awarded to an operator, exploration (ie evaluation of the resource) takes place, followed by a planning and development process before excavation or mining ,
The process of contour mining begins with co nstructing roads to access the coal seam elev ation and the top or the mountain A bench is excav ated in the mountain at the coal seam elevation .
When coal has been extracted from the area, the roof is allowed to collapse Over 75% of the coal in the deposit can be extracted from panels of coal that can extend 3km through the coal seam Technological advancements have made coal mining today more productive than it has ever been
Mining the Coal Coal miners use giant machines to remove coal from the ground They use two methods: surface or underground mining Many US coal beds are very near the ground’s surface, and about two-thirds of coal production comes from surface min Modern mining methods allow us to easily reach most of our coal reserv