March 22, 2005 A geochemical investigation in to the impact of coal rank around the potential environmental results of CO2 sequestration in deep coal beds Coal samples of various rank were extracted during the laboratory with supercritical CO2 To guage the opportunity for mobilizing hydrocarbons throughout CO2 sequestration or enhanced https://www.generationgenius.com/videolessons/rocks-and-minerals-video-for-kids/