Next steps for solvent-based CO₂ capture; integration of capture, conversion, and mineralisation

Area of Science:

• Chemical Engineering
• Environmental Science
• Materials Science

Background:

• Carbon capture and utilization (CCU) is crucial for producing green CO2-derived products.
• Current CO2-derived products face cost challenges compared to conventional alternatives.
• The energy landscape is shifting towards utilizing CO2 from both point sources and the atmosphere.

Purpose of the Study:

• To present solvent-based carbon capture integrated with conversion as a key strategy for a net-zero economy.
• To detail the fundamentals, benefits, and potential of integrated CO2 capture and conversion.
• To explore how integrated systems can lower costs and enhance efficiency in CO2 utilization.

Main Methods:

• Integration of solvent-based CO2 capture and conversion processes.
• Analysis of the role of solvents in adapting to capture, conversion, and mineralization needs.
• Examination of reactive pathways enabled by CO2 alteration in solution.

Main Results:

• Integrated solvent-based systems can produce CO2-derived products more efficiently and affordably.
• Integration facilitates a transition from point-source CO2 to atmospheric CO2 utilization.
• Altering CO2 in solution opens new synthetic routes for previously unattainable products.

Conclusions:

• Solvent-based CO2 capture and conversion integration is vital for economic viability in a net-zero future.
• Solvents are adaptable key components for diverse CO2 capture and utilization applications.
• Further research and establishing a green premium are critical for the success of this emerging field.