Economics act against CCS retrofits

Based on presentation to Oil Sands and Heavy Oil Technology Conference, Calgary, July 20-22, 2010.Economics will likely prevent retrofitting carbon capture and sequestration technologies to existing power plants with a capture efficiency <40% and a residual life <15 years.Only capture of flue gases (postcombustion) is practical for existing units, although even this is often made difficult by space constraints. Other solutions use processes (oxycombustion or gasification), which cannot generally be adapted to existing installations except with major revamping.Current CO2 capture, transport, and storage costs are high because they apply to demonstration projects, requiring considerab...

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