Coal is washed and processed at a washery in the United States.
United States USA Date:1919 Duration:6 min 9 sec Sound:NO SOUND
Coal washeries in the United States. Exterior of a surface plant. Workers walking outside the plant. Aerial view of the plant. An artificial lake constructed to supply water to the washery. Men walking on the shore of the lake. Interior of the plant. Coal brought from a mine is deposited in large storage bins from which it is carried on conveyor belts to be washed. The processing of coal in a jig to separate slate and sulphur. Battery of jigs in operation. Men working in the plant. A concentrating table washing fine coal. Bucket elevators raising the washed coal, water running out from the conveyor. A thickener is used for the recovery of fine coal. The fine coal is deposited to the bottom from where it is drawn through, allowing the water to overrun the top to be clarified and reused. A car at the washery carrying waste material to dump the pile.
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