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Environmental benefits of underground coal gasification.
Journal of environmental sciences (China), 2002Environmental benefits of underground coal gasification are evaluated. The results showed that through underground coal gasification, gangue discharge is eliminated, sulfur emission is reduced, and the amount of ash, mercury, and tar discharge are decreased.
Shu-qin, Liu, Jun-hua, Liu, Li, Yu
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Underground coal gasification and combustion
2017Underground Coal Gasification (UCG) is carried out in unmined coal seams, using wells drilled from the surface and converting coal into synthesis gas. The gas can be used for power generation and synthesis of automotive fuels, fertilizers and other products.
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Controlling underground coal fire with the use of underground coal gasification technology
2017Underground coal fire and underground coal gasification share a common fundamental of combustion process. Both events rely on the basis of smouldering combustion reactions that involves the elementary chemical reaction of pyrolysis and oxidation reaction of coal/char.
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