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Direct Loading From rock to energy Coal is the world’s main source of electric power. But how does it arrive at the port in its mineral state to ultimately be transformed into electricity? These are the main steps in the process from the time that the coal reaches the port from the mines. Unloading the trains 1 Once the trains arrive at the port, they are unloaded by one of the three car dumpers (one single, one double and one quadruple). The combined capacity of these pieces of equipment is 8,000 tons per hour. Stacking and sorting 1A The unloaded coal is moved using conveyor belts to the storage yard, where it is sorted according to its physical and chemical characteristics, or to the ship loading pier. Two traveling stackers with a capacity of 8,000 tons per hour each are used in the storage process. The storage yards have a capacity of 1.5 million tons. 5 Transportation to the power plant In some cases, the power plants are located a few meters from the ports, so in these cases the mineral is moved on conveyor belts. When that is not the case, the coal is transported to the power plants using different means of transportation, such as railroads, trucks or barges. 10 www.drummondltd.com Infographic: Alejandra Sarmiento


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