Indonesian Coal Quality And Coal Reserves – Global Energy
Covered coal grindability and specific energy of crushing, coal breakage characteristics, airborne dust properties, and amounts of airborne dust generation. Moisture content, ash content, volatile and fixed carbon content were also deter mined. Laboratory crushing tests were conducted on the testing stand the layout of which is shown in Figure 2.
Apr 05, 2013 Fig 1 Types of coal and their uses. The term ‘coking coal’ is used to designate certain types of bituminous coals which, when heated at high temperatures (over 1,000 deg C) in the absence of air (carbonization), soften, liquefy, and then re-solidify into a hard but porous mass known as coke, used mainly in the production of hot metal in a blast furnace.