coal classification by grade

Coal Facts - Uses, Properties, Anthracite, Heat ... The use of coal is increasing every year, in 2006 the world consumed over 6,000,000,000,000 kilograms of coal! Coal is the world's largest source of energy for the production of electricity. Coal is converted to electricity by being burned in a furnace with a boiler. brown coal coal classification - shatadiauctioneers The 1987 international coal classification The general hard and brown coal categories of the International Coal Classification Figure 4 9 . ... Depending upon its grade from highest to lowest following The coal found in India can be classified as Anthracite Coal Bituminous Coal Lignite Brown Coal . iso classification of coal - postcatcher Bituminous coal: Bituminous coal, the most abundant form of coal, intermediate in rank between subbituminous coal and anthracite according to the coal classification Coal IDC-Online There are other coal classification systems developed by the International Organization for Standardization (ISO), the United Kingdom and perhaps others.    Read More