Synthesis of a novel zirconium-based adsorbent (ZBA) and the elucidation of adsorption capability of arsenic using ZBA, zirconium oxide, and zirconium hydroxide
A novel zirconium-based adsorbent (ZBA) was prepared and characterized. The results were compared to those of zirconium oxide (ZrO2) and zirconium hydroxide (Zr(OH)4). Moreover, the arsenic adsorption capacity of the ZBA was demonstrated. The physicochemical properties of the ZBA were similar to tho...
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2025-07-01
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| Series: | Results in Chemistry |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2211715625003844 |
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| author | Fumihiko Ogata Noriaki Nagai Yugo Uematsu Hitoka Ito Chalermpong Saenjum Naohito Kawasaki |
| author_facet | Fumihiko Ogata Noriaki Nagai Yugo Uematsu Hitoka Ito Chalermpong Saenjum Naohito Kawasaki |
| author_sort | Fumihiko Ogata |
| collection | DOAJ |
| description | A novel zirconium-based adsorbent (ZBA) was prepared and characterized. The results were compared to those of zirconium oxide (ZrO2) and zirconium hydroxide (Zr(OH)4). Moreover, the arsenic adsorption capacity of the ZBA was demonstrated. The physicochemical properties of the ZBA were similar to those of Zr(OH)4, and the ZBA was confirmed to be zirconium oxyhydroxide (ZrO(OH)2). The batch test results indicated that the adsorption of arsenic ions on ZBA or Zr(OH)4 (Maximum adsorption capacity: approximately 70 mg/g) was higher than that on ZrO2 (Maximum adsorption capacity: approximately 10 mg/g). The adsorption isotherms indicated arsenic ions were presented on the surface of ZBA and Zr(OH)4. The Freundlich model (r = 0.953–0.997) and the Langmuir model (r = 0.961–0.994) showed a good fit to the experimental results. In addition, the findings from the binding energy and elemental distribution analysis confirmed that arsenic ions were adsorbed on the ZBA surface. The adsorption kinetic data aligned more closely with the pseudo-second-order model (r = 0.992–0.996) compared to the pseudo-first-order model (r = 0.709–0.836), except for ZrO2. The optimal pH conditions for the removal of arsenic ions on the ZBA and Zr(OH)4 under the proposed experimental conditions were pH = 6–10. Moreover, the amounts of arsenic ions adsorbed on the ZBA or Zr(OH)4 in binary solution systems were slightly lower than those in single solution systems. However, ZBA maintained high arsenic adsorption capability in binary solution systems. Finally, the adsorbed arsenic ions on ZBA or Zr(OH)4 were easily desorbed using a desorption solution, such as hydrochloric acid or sodium hydroxide solution, and the desorption efficiency increased with the concentration of the desorption solution. Overall, the excellent arsenic-ion removal efficiency of the proposed ZBA makes it a promising material for the treatment of arsenic-ion-polluted wastewater. |
| format | Article |
| id | doaj-art-467a2ce7f568445eaeccd0f8e7519afd |
| institution | Kabale University |
| issn | 2211-7156 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Elsevier |
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| series | Results in Chemistry |
| spelling | doaj-art-467a2ce7f568445eaeccd0f8e7519afd2025-08-20T03:59:31ZengElsevierResults in Chemistry2211-71562025-07-011610240110.1016/j.rechem.2025.102401Synthesis of a novel zirconium-based adsorbent (ZBA) and the elucidation of adsorption capability of arsenic using ZBA, zirconium oxide, and zirconium hydroxideFumihiko Ogata0Noriaki Nagai1Yugo Uematsu2Hitoka Ito3Chalermpong Saenjum4Naohito Kawasaki5Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, JapanFaculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, JapanFaculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, JapanFaculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, JapanFaculty of Pharmacy, Chiang Mai University, Suthep Road, Muang District, Chiang Mai 50200, Thailand; Research Center for Innovation in Analytical Science and Technology for Biodiversity-based Economic and Society (I-ANALY-S-T_B.BES-CMU), Chiang Mai University, Chiang Mai 50200, ThailandFaculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan; Antiaging Center, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan; Corresponding author at: Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.A novel zirconium-based adsorbent (ZBA) was prepared and characterized. The results were compared to those of zirconium oxide (ZrO2) and zirconium hydroxide (Zr(OH)4). Moreover, the arsenic adsorption capacity of the ZBA was demonstrated. The physicochemical properties of the ZBA were similar to those of Zr(OH)4, and the ZBA was confirmed to be zirconium oxyhydroxide (ZrO(OH)2). The batch test results indicated that the adsorption of arsenic ions on ZBA or Zr(OH)4 (Maximum adsorption capacity: approximately 70 mg/g) was higher than that on ZrO2 (Maximum adsorption capacity: approximately 10 mg/g). The adsorption isotherms indicated arsenic ions were presented on the surface of ZBA and Zr(OH)4. The Freundlich model (r = 0.953–0.997) and the Langmuir model (r = 0.961–0.994) showed a good fit to the experimental results. In addition, the findings from the binding energy and elemental distribution analysis confirmed that arsenic ions were adsorbed on the ZBA surface. The adsorption kinetic data aligned more closely with the pseudo-second-order model (r = 0.992–0.996) compared to the pseudo-first-order model (r = 0.709–0.836), except for ZrO2. The optimal pH conditions for the removal of arsenic ions on the ZBA and Zr(OH)4 under the proposed experimental conditions were pH = 6–10. Moreover, the amounts of arsenic ions adsorbed on the ZBA or Zr(OH)4 in binary solution systems were slightly lower than those in single solution systems. However, ZBA maintained high arsenic adsorption capability in binary solution systems. Finally, the adsorbed arsenic ions on ZBA or Zr(OH)4 were easily desorbed using a desorption solution, such as hydrochloric acid or sodium hydroxide solution, and the desorption efficiency increased with the concentration of the desorption solution. Overall, the excellent arsenic-ion removal efficiency of the proposed ZBA makes it a promising material for the treatment of arsenic-ion-polluted wastewater.http://www.sciencedirect.com/science/article/pii/S2211715625003844Zirconium oxyhydroxideZirconium oxideZirconium hydroxideArsenic ionAdsorption |
| spellingShingle | Fumihiko Ogata Noriaki Nagai Yugo Uematsu Hitoka Ito Chalermpong Saenjum Naohito Kawasaki Synthesis of a novel zirconium-based adsorbent (ZBA) and the elucidation of adsorption capability of arsenic using ZBA, zirconium oxide, and zirconium hydroxide Results in Chemistry Zirconium oxyhydroxide Zirconium oxide Zirconium hydroxide Arsenic ion Adsorption |
| title | Synthesis of a novel zirconium-based adsorbent (ZBA) and the elucidation of adsorption capability of arsenic using ZBA, zirconium oxide, and zirconium hydroxide |
| title_full | Synthesis of a novel zirconium-based adsorbent (ZBA) and the elucidation of adsorption capability of arsenic using ZBA, zirconium oxide, and zirconium hydroxide |
| title_fullStr | Synthesis of a novel zirconium-based adsorbent (ZBA) and the elucidation of adsorption capability of arsenic using ZBA, zirconium oxide, and zirconium hydroxide |
| title_full_unstemmed | Synthesis of a novel zirconium-based adsorbent (ZBA) and the elucidation of adsorption capability of arsenic using ZBA, zirconium oxide, and zirconium hydroxide |
| title_short | Synthesis of a novel zirconium-based adsorbent (ZBA) and the elucidation of adsorption capability of arsenic using ZBA, zirconium oxide, and zirconium hydroxide |
| title_sort | synthesis of a novel zirconium based adsorbent zba and the elucidation of adsorption capability of arsenic using zba zirconium oxide and zirconium hydroxide |
| topic | Zirconium oxyhydroxide Zirconium oxide Zirconium hydroxide Arsenic ion Adsorption |
| url | http://www.sciencedirect.com/science/article/pii/S2211715625003844 |
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