In the pathway toward net zero emissions, Direct Air Capture (DAC) and Bioenergy with Carbon Capture and Storage (BECCS) are crucial technologies, since they are among the few options allowing us to reach negative CO₂ emissions (provided that the CO₂ captured is sent to permanent storage).

Although the potential of both strategies is significant in terms of CO₂ savings scale, both options still require significant scientific research and piloting/demonstration activities to overcome the main challenges. Among some of the most critical barriers limiting the deployment of these Carbon Removal technologies, it is worth highlighting the high capture cost and the significant energy penalties due to capture, especially in the DAC case. For this reason, scientific research and innovation is needed both to advance the readiness level of existing technologies, as well as to find novel solutions aimed at significant cost-reduction and energy efficiency improvement.

The overall aim of this Research Topic is to collect significant research contributions focusing on applied research in the field of DAC and BECCS. This collection especially seeks Original Research and Review articles reporting experimental data on advances of CO2 Capture technologies for DAC or BECCS application concerning one or more of the following subjects: process design and integration, new or advanced materials, equipment design, experimental testing, cost competitiveness, energy efficiency improvements.

Proposed topics of this Research Topic include (but are not limited to):
• Design of advanced processes, materials (e.g. novel sorbents, MOFs, etc.) or equipment (e.g. contactors) either for DAC or BECCS application
• Advancement in Direct Air Capture technologies either with solid sorbents or liquid solvents
• Advancement in BECCS technologies with approaches ranging from biomass gasification with CCS, post-combustion, oxyfuel, biomass firing in industrial processes, fermentation or biorefinery-based processes
• Experimental results from lab-scale, pilot or demonstration plants
• Process simulations, optimization studies and Techno-Economic Assessments
• Policy, Life Cycle Assessments and scenario analyses

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Frontiers in Energy Research

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