Synthesis of binder-free pelletized Y zeolite for CO2 capture
Y-type zeolites are widely used in the carbon dioxide (CO2) adsorption applications due to their exceptional ion exchange performance and high stability. However, the pelletization of Y powder by adding binders such as kaolin often results in performance drops, which has limited its industrial appli...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2024-03-01
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| Series: | Carbon Capture Science & Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2772656823000702 |
| _version_ | 1797267125656616960 |
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| author | Fu Rao Meiling Liu Chenghao Liu Wenkang Deng Renfeng Huang Chunfa Liao Tao Qi Guoping Hu |
| author_facet | Fu Rao Meiling Liu Chenghao Liu Wenkang Deng Renfeng Huang Chunfa Liao Tao Qi Guoping Hu |
| author_sort | Fu Rao |
| collection | DOAJ |
| description | Y-type zeolites are widely used in the carbon dioxide (CO2) adsorption applications due to their exceptional ion exchange performance and high stability. However, the pelletization of Y powder by adding binders such as kaolin often results in performance drops, which has limited its industrial application. This study employs a zeolite-kaolin blend to produce cylindrical pelletized Y zeolite, in which the kaolin is then transformed to zeolites via hydrothermal crystallization, resulting in binder-free Y pellets. The Design-Expert software and the response surface method (RSM) are employed to optimize the hydrothermal crystallization conditions for binder transformation, with the objective of attaining a maximized capacity for CO2 adsorption. Results demonstrate that optimized synthesis conditions yield cylindrical Y zeolite with a notable CO2 adsorption capacity of 5.52 mmol/g at 298 K and 1 bar, surpassing that of the initial Y powder. The average crushing strength is 110 N per particle (Diameter × Height = 3 mm × 3 mm). The IAST selectivity of CO2/N2 (15/85) is 824 at 298 K and 1 bar. The reaction mechanisms of the binder transformation are also investigated via experiments and DFT simulation. This study presents a simple and reliable method for manufacturing binder free Y zeolite, which is promising for carbon capture applications. |
| first_indexed | 2024-03-09T14:29:55Z |
| format | Article |
| id | doaj.art-8dc92a53a96e4ed98b2f7ba637f6f01b |
| institution | Directory Open Access Journal |
| issn | 2772-6568 |
| language | English |
| last_indexed | 2024-04-25T01:11:37Z |
| publishDate | 2024-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Carbon Capture Science & Technology |
| spelling | doaj.art-8dc92a53a96e4ed98b2f7ba637f6f01b2024-03-10T05:13:31ZengElsevierCarbon Capture Science & Technology2772-65682024-03-0110100166Synthesis of binder-free pelletized Y zeolite for CO2 captureFu Rao0Meiling Liu1Chenghao Liu2Wenkang Deng3Renfeng Huang4Chunfa Liao5Tao Qi6Guoping Hu7Faculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China; Key Laboratory of Rare Earths, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, Jiangxi 341119, ChinaFaculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, ChinaKey Laboratory of Rare Earths, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, Jiangxi 341119, ChinaKey Laboratory of Rare Earths, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, Jiangxi 341119, ChinaKey Laboratory of Rare Earths, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, Jiangxi 341119, ChinaFaculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, ChinaKey Laboratory of Rare Earths, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, Jiangxi 341119, ChinaKey Laboratory of Rare Earths, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, Jiangxi 341119, China; Corresponding author.Y-type zeolites are widely used in the carbon dioxide (CO2) adsorption applications due to their exceptional ion exchange performance and high stability. However, the pelletization of Y powder by adding binders such as kaolin often results in performance drops, which has limited its industrial application. This study employs a zeolite-kaolin blend to produce cylindrical pelletized Y zeolite, in which the kaolin is then transformed to zeolites via hydrothermal crystallization, resulting in binder-free Y pellets. The Design-Expert software and the response surface method (RSM) are employed to optimize the hydrothermal crystallization conditions for binder transformation, with the objective of attaining a maximized capacity for CO2 adsorption. Results demonstrate that optimized synthesis conditions yield cylindrical Y zeolite with a notable CO2 adsorption capacity of 5.52 mmol/g at 298 K and 1 bar, surpassing that of the initial Y powder. The average crushing strength is 110 N per particle (Diameter × Height = 3 mm × 3 mm). The IAST selectivity of CO2/N2 (15/85) is 824 at 298 K and 1 bar. The reaction mechanisms of the binder transformation are also investigated via experiments and DFT simulation. This study presents a simple and reliable method for manufacturing binder free Y zeolite, which is promising for carbon capture applications.http://www.sciencedirect.com/science/article/pii/S2772656823000702Y zeolitePelletizationCo2 adsorptionBinder free |
| spellingShingle | Fu Rao Meiling Liu Chenghao Liu Wenkang Deng Renfeng Huang Chunfa Liao Tao Qi Guoping Hu Synthesis of binder-free pelletized Y zeolite for CO2 capture Carbon Capture Science & Technology Y zeolite Pelletization Co2 adsorption Binder free |
| title | Synthesis of binder-free pelletized Y zeolite for CO2 capture |
| title_full | Synthesis of binder-free pelletized Y zeolite for CO2 capture |
| title_fullStr | Synthesis of binder-free pelletized Y zeolite for CO2 capture |
| title_full_unstemmed | Synthesis of binder-free pelletized Y zeolite for CO2 capture |
| title_short | Synthesis of binder-free pelletized Y zeolite for CO2 capture |
| title_sort | synthesis of binder free pelletized y zeolite for co2 capture |
| topic | Y zeolite Pelletization Co2 adsorption Binder free |
| url | http://www.sciencedirect.com/science/article/pii/S2772656823000702 |
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