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DYNA
versão impressa ISSN 0012-7353versão On-line ISSN 2346-2183
Resumo
DA GAMA, CARLOS DINIS; NAVARRO TORRES, VIDAL e FALCAO NEVES, ANA PAULA. TECHNOLOGICAL INNOVATIONS ON UNDERGROUND COAL GASIFICATION AND CO2 SEQUESTRATION. Dyna rev.fac.nac.minas [online]. 2010, vol.77, n.161, pp.101-108. ISSN 0012-7353.
A brief description of the underground coal gasification (UCG) process, combined with the possibility of CO2 sequestration, is presented. Although nowadays there are very few active industrial UCG plants, a number of new projects are under way in different parts of the world aimed to produce regular gas fuel derived from in situ coal combustion, despite the environmental advantages resulting from this process. A brief review of those projects is included. The possibility of underground CO2 storage, either with or without simultaneous UCG, is analyzed by taking into consideration the main challenges of its application and the risks associated with integrated solutions, thus requiring innovative solutions.
Palavras-chave : Underground; coal gasification; CO2 capture; CO2 sequestration; sustainability; sustainability index.