The Analysis Of Coal And Analysis Techniques
A fresh sample of crushed coal is weighed, placed in a covered crucible, and heated in a furnace at 900 + 15 o c. after that sample is cooled and weighed. after that sample is cooled and weighed. loss of weight represents moisture and volatile.Apr 05, the three types of coal are anthracite coal, bituminous coal and lignite coal. anthracite coal has a bulk density of 50 to 58 pounds per cubic feet, or 800 to 929 kilograms per cubic meter. it is a mature coal and is very hard and shiny. bituminous coal has a bulk density of 42 to 57 pounds per cubic feet, or 673 to 913 kilograms per cubic.