Carbon capture at its core is among the biggest and most complex chemical separations due to challenge of how to selectively remove what is best described as a kinetically and thermodynamically inert molecule (CO2) from dilute and complex gas mixtures. While carbon capture will be performed at the gigaton scale, it is the molecular level interactions that govern the kinetics and thermodynamics that limit the efficiency of the separation. The United States Department of Energy (DOE) has recently prioritized utilization of CO2 by recycling it into fuels and chemicals. In this presentation, we describe an integrated approach that couples the capture and catalytic conversion of CO2 in a single medium with the result being a potentially more energy and atom-efficient reactive separation. We describe here, findings from a multi-disciplinary research approach that assesses the molecular-level interactions that control the separation, and their impact on the reactivity of CO2 that is captured in solution. We conclude with a discussion of how CO2 capture and conversion in carbon capture solvents enable CO2 recovery and reconstitution into value-added products with high atom and energy efficiency.

Reactive separations of CO2 with high atom and energy efficiency

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.