Experimental verification and 4E analysis of a hydrate-based CO2 capture system for flue gas decarbonization
Abstract Gas hydrates, crystalline compounds composed of water and guest molecules, have gained attention for their potential in selective CO₂ capture and storage. This study evaluates hydrate-based CO₂ capture technologies for flue gas decarbonization through experimental investigations and process...
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| Format: | Article |
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Springer
2025-04-01
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| Series: | Carbon Neutrality |
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| Online Access: | https://doi.org/10.1007/s43979-025-00125-y |
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| author | Xiaoming Wang Shangjie Shao Guangyong Yang Qixian Yan Haoyu Yuan Chen Chen Fei Wang |
| author_facet | Xiaoming Wang Shangjie Shao Guangyong Yang Qixian Yan Haoyu Yuan Chen Chen Fei Wang |
| author_sort | Xiaoming Wang |
| collection | DOAJ |
| description | Abstract Gas hydrates, crystalline compounds composed of water and guest molecules, have gained attention for their potential in selective CO₂ capture and storage. This study evaluates hydrate-based CO₂ capture technologies for flue gas decarbonization through experimental investigations and process simulations. Hydrate formation and dissociation experiments examined two configurations: a two-stage high-pressure formation process using the kinetic promoter sodium p-styrenesulfonate, which achieved a 53.65% CO₂ removal rate and reduced concentration from 20 mol% to 9.27 mol%, and a three-stage low-pressure formation process employing both kinetic and thermodynamic promoters (TBAB and cyclopentane), attaining a 64.66% removal rate and lowering CO₂ concentration to 9.11 mol%. Complementary to the experimental data, process simulations was conducted by the Aspen HYSYS and Aspen EDR. Then the comprehensive 4E (Energy, Exergy, Economy, and Environment) analysis identified the Low-Pressure Formation with Atmospheric Dissociation (L-A) configuration as the most effective approach. The L-A process exhibited the lowest total energy consumption of 240,077 MJ/h and the highest exergy efficiency of 0.725. Economically, it presented significantly lower equipment and operational costs compared to high-pressure alternatives. Environmentally, the L-A configuration maintained indirect CO₂ emission ratios below one, indicating a net positive impact. These results suggest that the L-A process offers a balanced and efficient solution for industrial-scale CO₂ capture, combining technical feasibility, cost-effectiveness, and environmental sustainability. |
| format | Article |
| id | doaj-art-df26d3c5720948e99d8de6cdd1447cb1 |
| institution | OA Journals |
| issn | 2788-8614 2731-3948 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Springer |
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| series | Carbon Neutrality |
| spelling | doaj-art-df26d3c5720948e99d8de6cdd1447cb12025-08-20T02:08:11ZengSpringerCarbon Neutrality2788-86142731-39482025-04-014111810.1007/s43979-025-00125-yExperimental verification and 4E analysis of a hydrate-based CO2 capture system for flue gas decarbonizationXiaoming Wang0Shangjie Shao1Guangyong Yang2Qixian Yan3Haoyu Yuan4Chen Chen5Fei Wang6College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-Performance Carbon-Materials, Qingdao University of Science & TechnologyCollege of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-Performance Carbon-Materials, Qingdao University of Science & TechnologyCollege of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-Performance Carbon-Materials, Qingdao University of Science & TechnologyCollege of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-Performance Carbon-Materials, Qingdao University of Science & TechnologyCollege of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-Performance Carbon-Materials, Qingdao University of Science & TechnologyCollege of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-Performance Carbon-Materials, Qingdao University of Science & TechnologyCollege of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-Performance Carbon-Materials, Qingdao University of Science & TechnologyAbstract Gas hydrates, crystalline compounds composed of water and guest molecules, have gained attention for their potential in selective CO₂ capture and storage. This study evaluates hydrate-based CO₂ capture technologies for flue gas decarbonization through experimental investigations and process simulations. Hydrate formation and dissociation experiments examined two configurations: a two-stage high-pressure formation process using the kinetic promoter sodium p-styrenesulfonate, which achieved a 53.65% CO₂ removal rate and reduced concentration from 20 mol% to 9.27 mol%, and a three-stage low-pressure formation process employing both kinetic and thermodynamic promoters (TBAB and cyclopentane), attaining a 64.66% removal rate and lowering CO₂ concentration to 9.11 mol%. Complementary to the experimental data, process simulations was conducted by the Aspen HYSYS and Aspen EDR. Then the comprehensive 4E (Energy, Exergy, Economy, and Environment) analysis identified the Low-Pressure Formation with Atmospheric Dissociation (L-A) configuration as the most effective approach. The L-A process exhibited the lowest total energy consumption of 240,077 MJ/h and the highest exergy efficiency of 0.725. Economically, it presented significantly lower equipment and operational costs compared to high-pressure alternatives. Environmentally, the L-A configuration maintained indirect CO₂ emission ratios below one, indicating a net positive impact. These results suggest that the L-A process offers a balanced and efficient solution for industrial-scale CO₂ capture, combining technical feasibility, cost-effectiveness, and environmental sustainability.https://doi.org/10.1007/s43979-025-00125-yGas hydratesCO₂ captureDecarbonationProcess simulation4E analysis |
| spellingShingle | Xiaoming Wang Shangjie Shao Guangyong Yang Qixian Yan Haoyu Yuan Chen Chen Fei Wang Experimental verification and 4E analysis of a hydrate-based CO2 capture system for flue gas decarbonization Carbon Neutrality Gas hydrates CO₂ capture Decarbonation Process simulation 4E analysis |
| title | Experimental verification and 4E analysis of a hydrate-based CO2 capture system for flue gas decarbonization |
| title_full | Experimental verification and 4E analysis of a hydrate-based CO2 capture system for flue gas decarbonization |
| title_fullStr | Experimental verification and 4E analysis of a hydrate-based CO2 capture system for flue gas decarbonization |
| title_full_unstemmed | Experimental verification and 4E analysis of a hydrate-based CO2 capture system for flue gas decarbonization |
| title_short | Experimental verification and 4E analysis of a hydrate-based CO2 capture system for flue gas decarbonization |
| title_sort | experimental verification and 4e analysis of a hydrate based co2 capture system for flue gas decarbonization |
| topic | Gas hydrates CO₂ capture Decarbonation Process simulation 4E analysis |
| url | https://doi.org/10.1007/s43979-025-00125-y |
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