Bio-integrated carbon capture and utilization: at the interface between capture chemistry and archaeal CO₂ reduction

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2024年8月29日

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Mads Ujarak Sieborg,
Amalie Kirstine Hessellund Nielsen,
Lars Ditlev Mørck Ottosen,
Kim Daasbjerg,
Michael Vedel Wegener Kofoed

摘要

Carbon capture and utilization (CCU) covers an array of technologies for valorizing carbon dioxide (CO₂). To date, most mature CCU technology conducted with capture agents operates against the CO₂ gradient to desorb CO₂ from capture agents, exhibiting high energy penalties and thermal degradation due to the requirement for thermal swings. This Perspective presents a concept of Bio-Integrated Carbon Capture and Utilization (BICCU), which utilizes methanogens for integrated release and conversion of CO₂ captured with capture agents. BICCU hereby substitutes the energy-intensive desorption with microbial conversion of captured CO₂ by the methanogenic CO₂-reduction pathway, utilizing green hydrogen to generate non-fossil methane.

Bio-integrated carbon capture and utilization: at the interface between capture chemistry and archaeal CO2 reduction

摘要

Bio-integrated carbon capture and utilization: at the interface between capture chemistry and archaeal CO₂ reduction