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Ramagundam unit was unique in terms of Urea and Ammonia production wherein coal gasification methodology was used - FCI Ramagundam (simultaneously with FCI Talcher) was the first fertilizer plant in India to use coal gasification technology besides being world's biggest coal gasification based fertilizer unit.
The NTU Retort was a successor of the 19th century coal gasification retorts and it is considered as a predecessor of the Gas Combustion Retort and the Paraho processes.
These efforts include chemically washing minerals and impurities from the coal, gasification (see also IGCC), treating the flue gases with steam to remove sulfur dioxide, carbon capture and storage technologies to capture the carbon dioxide from the flue gas and coal de-watering technologies to improve the energy quality and thus the efficiency of burning coal for energy.
In 2010, B9 Coal in cooperation with AFC Energy and underground coal gasification developer Linc Energy commissioned a hydrogen fuel cell named Alfa System at the Chinchilla underground coal gasification facility.