{"id":11168,"date":"2026-08-26T21:37:29","date_gmt":"2026-08-26T13:37:29","guid":{"rendered":"\/jase\/?post_type=tkuisotope&p=11168"},"modified":"2026-08-26T23:04:58","modified_gmt":"2026-08-26T15:04:58","slug":"jase-202612-35-004","status":"publish","type":"tkuisotope","link":"\/jase\/?tkuisotope=jase-202612-35-004","title":{"rendered":"Ozone-Regenerable Mesoporous Zeolite Y Pellets Synthesized Hydrothermally and Modified with Fe3+\/Mn2+ for Dye Adsorption"},"content":{"rendered":"\n
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<\/i> 2026<\/a><\/p>\n<\/div>\n\n\n\n

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<\/i> Volume 35<\/a><\/p>\n<\/div>\n\n\n\n

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Vo Tran Minh Khoa1<\/sup>, Nguyen Manh Khang1<\/sup>, Huynh Diem Nhung1<\/sup>, Van Chi Khen1<\/sup>, Pham Thi Tuyet1,2<\/sup>, and Nguyen Quang Long1,2<\/sup><\/i><\/a><\/p>\n\n\n\n

1<\/sup>Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, Dien Hong <\/p>\n\n\n\n

2<\/sup>ward, Ho Chi Minh City, Vietnam; Vietnam National University Ho Chi Minh City (VNU-HCM), Ho Chi Minh City, Vietnam<\/p>\n<\/div>\n\n\n\n

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Received: March 30, 2026
Accepted: July 13, 2026
Publication Date: August 26, 2026<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Column-based system design for methylene blue treatment.<\/p>\n<\/div>\n<\/div>\n\n\n\n

<\/i> Copyright <\/strong>The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0)<\/a>, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.<\/p>\n\n\n\n

Download Citation: BibTeX <\/a>| http:\/\/dx.doi.org\/10.6180\/jase.202612_35.004<\/a> <\/p>\n\n\n\n

Download PDF<\/a><\/p>\n\n\n\n

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The design of regenerable adsorbents is critical for sustainable wastewater treatment. Mesoporous zeolite Y pellets were synthesized through hydrothermal dealumination-desilication and modified by Fe\u00b3\u207a and Mn\u00b2\u207a ion exchange. Characterization confirmed preservation of the FAU framework, while BET analysis showed enlarged external surface areas of 102 m\u00b2\/g for hierarchical Y, 81 m\u00b2\/g for VM80, and 72 m\u00b2\/g for Fe-VM80. Column experiments indicated that methylene blue adsorption followed pseudo-first-order kinetics[cite: 5]. Ozone regeneration outperformed the Fenton process, shortening treatment times to 1.5 h for Mn-VM80 and 1 h for Fe-VM80 while maintaining higher cyclic stability. The combination of hierarchical porosity, pelletization, and Fe\/Mn modification enabled efficient adsorption-desorption cycling. These ozone-regenerable mesoporous zeolite Y pellets show strong potential as scalable and sustainable adsorbents for dye removal.<\/p>\n\n\n\n

Keywords: Mesoporous zeolite Y; MB adsorption; Regeneration; Ozonation; hydrothermal synthesis<\/em><\/p>\n\n\n\n

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