However, the industrial application of CO 2 conversion technology is still challenging due to its low technological maturity, expensive production cost, and high energy consumption 3. According to the global roadmap, CCU has the potential to reduce carbon emissions by over 7 gigatons by 2030, and the corresponding market size could reach 800 billion USD 2. CCU technology is the only group of technologies that can achieve a net-zero emission target by removing direct and balanced emissions 1. ![]() This system provides a fundamental solution for the CO 2 crossover and low system stability of electrochemical CO 2 reduction.Ĭarbon capture and utilization (CCU) has been recognized as one of the most promising technologies for mitigating climate change seen in decades because of its capacity for large-scale CO 2 reduction. Based on the experimental results and rigorous process modeling, we reveal that reaction swing absorption produces high pressure syngas at a reasonable cost with negligible CO 2 emissions. In addition, the CO Faradaic efficiency in a triethylamine supplied membrane electrode assembly electrolyzer is approximately 30% −2), twice higher than those in conventional alkanolamine solvents. Experimental investigations show high CO 2 absorption rates (>84%) of triethylamine from low CO 2 concentrated flue gas. Herein, we propose a new concept called reaction swing absorption, which produces synthesis gas (syngas) with net-zero CO 2 emission through direct electrochemical CO 2 reduction in a newly proposed amine solution, triethylamine. ![]() The main challenge of this technology is that a large amount of thermal energy must be provided to supply high-purity CO 2 and purify the product. Read more about how to correctly acknowledge RSC content.Carbon capture and utilization technology has been studied for its practical ability to reduce CO 2 emissions and enable economical chemical production. Please go to the Copyright Clearance Center request page. In a third-party publication (excluding your thesis/dissertation for which permission is not required) If you want to reproduce the whole article If you are the author of this article, you do not need to request permission to reproduce figuresĪnd diagrams provided correct acknowledgement is given. Provided correct acknowledgement is given. If you are an author contributing to an RSC publication, you do not need to request permission To request permission to reproduce material from this article, please go to the McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, TX 78712, USA School of Process, Environmental and Materials Engineering, University of Leeds, Leeds LS2 9JT, UK SCCS, School of Geosciences, The University of Edinburgh, The King's Buildings, UKĬhalmers University of Technology, 412 96 Göteborg, SwedenĮnergy Technology and Innovation Initiative, University of Leeds, Leeds, UK SCCS Centre, School of Engineering, The University of Edinburgh, The King's Buildings, Edinburgh EH9 3JL, UKĬentre for Environmental Policy, Imperial College London, South Kensington, London, UKĭepartment of Chemistry, Imperial College London, South Kensington, London, UK Instituto Nacional del Carbón, (CSIC), Francisco Pintado Fe 26, 33011 Oviedo, SpainĮnergy and Resource Technology Centre, Cranfield University, Cranfield, Bedford, UKĭepartment of Earth Science and Engineering, Imperial College London, South Kensington, London, UK ![]() Department of Chemical Engineering, Imperial College London, South Kensington, London, UK
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