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Analysis and status of post-combustion carbon dioxide capture technologies.

The Electric Power Research Institute (EPRI) undertook a multiyear effort to understand the landscape of postcombustion CO₂ capture technologies globally. In this paper we discuss several central issues facing CO₂ capture involving scale, energy, and overall status of development. We argue that the scale of CO₂ emissions is sufficiently large to place inherent limits on the types of capture processes that could be deployed broadly. We also discuss the minimum energy usage in terms of a parasitic load on a power plant. Finally, we present summary findings of the landscape of capture technologies using an index of technology readiness levels.