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In today's society coal is utilized for energy by combustion or burning. About 75% of the world's coal is used to provide electricity. Coal is pulverized and then burned in a furnace that is attached to a boiler. The furnace heat boils the water turning it into steam and then the steam is used to spin turbines and generators that produce electricity. Coals can also be converted into liquid fuels by several processes. The Fischer-Tropsch process, Bergius process, direct hydrogenation process, and low temperature carbonization have all been used o change coal to liquid or gas forms. These carbonification methods release even more carbon dioxide into the atmosphere than burning coal so environmentally it is not a sound practice.
Considering that there only a certain amount of Carbon available in a given amount of coal, how do these "carbonification" methods create more CO2 than complete combustion?
FWIW - converting coal to gas/liquid is called hydrogenation because Hydrogen is combined with the Carbon. No extra carbon or carbon dioxide is created.