Comparative techno-economic analysis of CO2 capture processes using blended amines
Blended amines synthesize the absorption characteristics of different amine solvents and show a great potential in carbon capture. However, a comprehensive techno-economic analysis (TEA) of the CO2 absorption process using blended amines is still lacking. In this study, we investigated three blended...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2023-12-01
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| Series: | Carbon Capture Science & Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2772656823000404 |
| _version_ | 1827590984701050880 |
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| author | Xuechong Ding Haijun Chen Jue Li Teng Zhou |
| author_facet | Xuechong Ding Haijun Chen Jue Li Teng Zhou |
| author_sort | Xuechong Ding |
| collection | DOAJ |
| description | Blended amines synthesize the absorption characteristics of different amine solvents and show a great potential in carbon capture. However, a comprehensive techno-economic analysis (TEA) of the CO2 absorption process using blended amines is still lacking. In this study, we investigated three blended amine solvents: MEA/MDEA, PZ/MEA, and PZ/MDEA, with commercially available amine MEA used as the benchmark. Rigorous process simulation and techno-economic analysis were applied to evaluate the performance of the carbon capture process in a steel plant. CO2 molar loading in the lean solvent (αlean) and stripper pressure (P) were optimized to minimize the total annualized cost (TAC). The results demonstrated that PZ/MDEA-based process is most cost-effective (31.43$/tCO2) under the operating conditions of αlean = 0.15 and P = 1.25 bar. The cost breakdown analysis revealed that αlean and P significantly impact the TAC through the regeneration heat, equipment investment, and amines make-up cost. Furthermore, the energy analysis indicated that using a solvent with a low reaction enthalpy and heat capacity as well as high reactivity and absorption capacity could minimize the energy consumption of the process. |
| first_indexed | 2024-03-09T01:25:23Z |
| format | Article |
| id | doaj.art-6cd971fa1ab742e89ae9a9b571f44696 |
| institution | Directory Open Access Journal |
| issn | 2772-6568 |
| language | English |
| last_indexed | 2024-03-09T01:25:23Z |
| publishDate | 2023-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Carbon Capture Science & Technology |
| spelling | doaj.art-6cd971fa1ab742e89ae9a9b571f446962023-12-10T06:19:19ZengElsevierCarbon Capture Science & Technology2772-65682023-12-019100136Comparative techno-economic analysis of CO2 capture processes using blended aminesXuechong Ding0Haijun Chen1Jue Li2Teng Zhou3Sustainable Energy and Environment Thrust, The Hong Kong University of Science and Technology (Guangzhou), Nansha, Guangzhou 511400, ChinaSchool of Mechanical and Power Engineering, Nanjing Tech University, Nanjing 211816, ChinaSchool of Mechanical and Power Engineering, Nanjing Tech University, Nanjing 211816, China; CIMC Enric Engineering Technology Co., Ltd, Nanjing 210048, ChinaSustainable Energy and Environment Thrust, The Hong Kong University of Science and Technology (Guangzhou), Nansha, Guangzhou 511400, China; HKUST Shenzhen-Hong Kong Collaborative Innovation Research Institute, Futian, Shenzhen 518048, China; Corresponding author.Blended amines synthesize the absorption characteristics of different amine solvents and show a great potential in carbon capture. However, a comprehensive techno-economic analysis (TEA) of the CO2 absorption process using blended amines is still lacking. In this study, we investigated three blended amine solvents: MEA/MDEA, PZ/MEA, and PZ/MDEA, with commercially available amine MEA used as the benchmark. Rigorous process simulation and techno-economic analysis were applied to evaluate the performance of the carbon capture process in a steel plant. CO2 molar loading in the lean solvent (αlean) and stripper pressure (P) were optimized to minimize the total annualized cost (TAC). The results demonstrated that PZ/MDEA-based process is most cost-effective (31.43$/tCO2) under the operating conditions of αlean = 0.15 and P = 1.25 bar. The cost breakdown analysis revealed that αlean and P significantly impact the TAC through the regeneration heat, equipment investment, and amines make-up cost. Furthermore, the energy analysis indicated that using a solvent with a low reaction enthalpy and heat capacity as well as high reactivity and absorption capacity could minimize the energy consumption of the process.http://www.sciencedirect.com/science/article/pii/S2772656823000404CO2 captureBlended aminesProcess simulationEconomic analysisEnergy analysis |
| spellingShingle | Xuechong Ding Haijun Chen Jue Li Teng Zhou Comparative techno-economic analysis of CO2 capture processes using blended amines Carbon Capture Science & Technology CO2 capture Blended amines Process simulation Economic analysis Energy analysis |
| title | Comparative techno-economic analysis of CO2 capture processes using blended amines |
| title_full | Comparative techno-economic analysis of CO2 capture processes using blended amines |
| title_fullStr | Comparative techno-economic analysis of CO2 capture processes using blended amines |
| title_full_unstemmed | Comparative techno-economic analysis of CO2 capture processes using blended amines |
| title_short | Comparative techno-economic analysis of CO2 capture processes using blended amines |
| title_sort | comparative techno economic analysis of co2 capture processes using blended amines |
| topic | CO2 capture Blended amines Process simulation Economic analysis Energy analysis |
| url | http://www.sciencedirect.com/science/article/pii/S2772656823000404 |
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