Post-combustion Capture on Natural Gas Combined Cycle Plants: A Technical and Economical Evaluation of Retrofit, New Build, and the Application of Exhaust Gas Recycle

AbstractIf legislation proposing a reduction in CO2 production from fossil-fired power plants is enacted, it is conceivable that natural gas combined cycle (NGCC) plants may be required to implement carbon capture. Therefore, as the power industry plans their future generation portfolios, there is growing interest in the feasibility and costs associated with installing large-scale carbon capture to NGCC plants. The Electric Power Research Institute (EPRI) has recently completed an assessment on the technical feasibility, performance, and cost of applying current carbon dioxide (CO2) post-combustion capture (PCC) technologies at a typical commercial-scale NGCC power station. The study also considered the potential of exhaust gas recycle (EGR) as a novel technology for improving future NGCC capture economics