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In contrast to conventional hydrothermal systems or enhanced geothermal systems, CO2 Plume Geothermal (CPG) systems generate electricity by using CO2 that has been geothermally heated due to sequestration in a sedimentary basin. Four CPG and two brine-based geothermal systems are modeled to estimate their power production for sedimentary basin reservoir depths between 1 and 5km, geothermal temperature...
CPG (CO 2 Plume Geothermal) energy systems use CO 2 to extract thermal energy from naturally permeable geologic formations at depth. CO 2 has advantages over brine: high mobility, low solubility of amorphous silica, and higher density sensitivity to temperature. The density of CO 2 changes substantially between geothermal reservoir and surface plant, resulting in a...
Despite the considerable progress achieved during recent years in quantifying and modeling climatic and ecological processes caused by increasing concentrations of greenhouse gases in the atmosphere, there are still major uncertainties regarding the potential effects of increasing concentrations of either CO2 (carbon dioxide) or future climate change in arid ecosystems. General Circulation Models...
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