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Higher Heating Value Of Crushed Coal

coking coal ispatguru,apr 05, 2013 the higher is the reflectance, the higher is the coal rank. hardness the hardness of the coke produced increases the value of the coal. coal can be classified as weak, semi-soft coking, semi-hard and hard coking coal. calorific value it is the amount of chemical energy stored in a coal which is released as thermal energy upon its.coal humans body used water process earth life plants,coal is classified according to its heating value and according to the percentage of carbon it contains. for example, anthracite contains the highest proportion of pure carbon about 86 to 98 percent and has the highest heat value 13,500 to 15,600 btulb british thermal units per pound of all forms of coal..

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