coal baked in hot furnaces to make

Coal crushing equipment for coal preparation Coal is a combustible black or brownish-black sedimentary rock composed mostly of carbon and hydrocarbons. It is the most abundant fossil fuel produced in the United ...GEOTHERMAL and COAL? | Yahoo Answers- coal baked in hot furnaces to make ,2007-11-25·Geothermal steam and hot springs have been used for centuries for bathing and heating, ... FOR MAKING STEEL Coal is baked in hot furnaces to make coke, ...