A recyclable Co-Fe bimetallic immobilized cellulose hydrogel bead (CoFeO@CHB) to boost singlet oxygen evolution for tetracycline degradation
In the current work, a novel Co-Fe bimetallic immobilized cellulose hydrogel bead (CoFeO@CHB) was prepared via in situ chemical precipitation followed by heat treatment and applied for tetracycline (TC) degradation in the presence of peroxymonosulfate (PMS). The characterization results indicated th...
| Main Authors: | , , , , , , , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2023
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| Online Access: | https://hdl.handle.net/10356/171613 |
| _version_ | 1811676466115510272 |
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| author | Chen, Xinying Zhang, He Xu, Shizhe Du, Xiaoge Zhang, Kaida Hu, Chun Po Zhan, Sihui Mi, Xueyue Oh, Wen Da Hu, Xiao Pan, Ziyong Bao, Yueping |
| author2 | School of Materials Science and Engineering |
| author_facet | School of Materials Science and Engineering Chen, Xinying Zhang, He Xu, Shizhe Du, Xiaoge Zhang, Kaida Hu, Chun Po Zhan, Sihui Mi, Xueyue Oh, Wen Da Hu, Xiao Pan, Ziyong Bao, Yueping |
| author_sort | Chen, Xinying |
| collection | NTU |
| description | In the current work, a novel Co-Fe bimetallic immobilized cellulose hydrogel bead (CoFeO@CHB) was prepared via in situ chemical precipitation followed by heat treatment and applied for tetracycline (TC) degradation in the presence of peroxymonosulfate (PMS). The characterization results indicated that the Co-Fe particles were evenly distributed within the porous cellulose hydrogel beads, without affecting their morphologies or crystal structures. During the TC degradation, the CoFeO@CHB/PMS system showed a high resistance and stability to different water bodies, and the common anions and natural organic matters showed a limited effect on TC degradation. The chemical quenching experiments (using chemicals to react with specific reactive species) as well as electron paramagnetic resonance (EPR) results showed that CoFeO@CHB can effectively active PMS to generate multiple reactive oxygen species (ROS, such as SO4•−, •OH and 1O2), in which the 1O2-dominated non-radical pathway played a vital role in TC degradation. Both Co and Fe were proposed as the active sites for PMS activation, and the CoFeO@CHB/PMS system showed a high potential in practical application due to its high selectivity and robustness with much less toxic intermediate products. Furthermore, a long-term continuous home-made dead-end filtration device was constructed to evaluate the stability and application potential of the CoFeO@CHB/PMS system, in which a >70% removal was maintained in a continuous 800 min filtration. These results showed the promising potential for cellulose hydrogel beads utilized as a metal-based nanomaterial substrate for organic degradation via PMS activation. |
| first_indexed | 2024-10-01T02:21:55Z |
| format | Journal Article |
| id | ntu-10356/171613 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T02:21:55Z |
| publishDate | 2023 |
| record_format | dspace |
| spelling | ntu-10356/1716132023-11-03T15:46:07Z A recyclable Co-Fe bimetallic immobilized cellulose hydrogel bead (CoFeO@CHB) to boost singlet oxygen evolution for tetracycline degradation Chen, Xinying Zhang, He Xu, Shizhe Du, Xiaoge Zhang, Kaida Hu, Chun Po Zhan, Sihui Mi, Xueyue Oh, Wen Da Hu, Xiao Pan, Ziyong Bao, Yueping School of Materials Science and Engineering Interdisciplinary Graduate School (IGS) Nanyang Environment and Water Research Institute Temasek Laboratories @ NTU Engineering::Environmental engineering Engineering::Materials Hydrogels Peroxymonosulfate In the current work, a novel Co-Fe bimetallic immobilized cellulose hydrogel bead (CoFeO@CHB) was prepared via in situ chemical precipitation followed by heat treatment and applied for tetracycline (TC) degradation in the presence of peroxymonosulfate (PMS). The characterization results indicated that the Co-Fe particles were evenly distributed within the porous cellulose hydrogel beads, without affecting their morphologies or crystal structures. During the TC degradation, the CoFeO@CHB/PMS system showed a high resistance and stability to different water bodies, and the common anions and natural organic matters showed a limited effect on TC degradation. The chemical quenching experiments (using chemicals to react with specific reactive species) as well as electron paramagnetic resonance (EPR) results showed that CoFeO@CHB can effectively active PMS to generate multiple reactive oxygen species (ROS, such as SO4•−, •OH and 1O2), in which the 1O2-dominated non-radical pathway played a vital role in TC degradation. Both Co and Fe were proposed as the active sites for PMS activation, and the CoFeO@CHB/PMS system showed a high potential in practical application due to its high selectivity and robustness with much less toxic intermediate products. Furthermore, a long-term continuous home-made dead-end filtration device was constructed to evaluate the stability and application potential of the CoFeO@CHB/PMS system, in which a >70% removal was maintained in a continuous 800 min filtration. These results showed the promising potential for cellulose hydrogel beads utilized as a metal-based nanomaterial substrate for organic degradation via PMS activation. Published version This research was funded by the Fundamental Research Funds for the Central Universities, Nankai University (63231132, 63231195). And the APC was funded by MDPI. 2023-11-01T04:23:59Z 2023-11-01T04:23:59Z 2023 Journal Article Chen, X., Zhang, H., Xu, S., Du, X., Zhang, K., Hu, C. P., Zhan, S., Mi, X., Oh, W. D., Hu, X., Pan, Z. & Bao, Y. (2023). A recyclable Co-Fe bimetallic immobilized cellulose hydrogel bead (CoFeO@CHB) to boost singlet oxygen evolution for tetracycline degradation. Catalysts, 13(8), 1150-. https://dx.doi.org/10.3390/catal13081150 2073-4344 https://hdl.handle.net/10356/171613 10.3390/catal13081150 2-s2.0-85169123018 8 13 1150 en Catalysts © 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/). application/pdf |
| spellingShingle | Engineering::Environmental engineering Engineering::Materials Hydrogels Peroxymonosulfate Chen, Xinying Zhang, He Xu, Shizhe Du, Xiaoge Zhang, Kaida Hu, Chun Po Zhan, Sihui Mi, Xueyue Oh, Wen Da Hu, Xiao Pan, Ziyong Bao, Yueping A recyclable Co-Fe bimetallic immobilized cellulose hydrogel bead (CoFeO@CHB) to boost singlet oxygen evolution for tetracycline degradation |
| title | A recyclable Co-Fe bimetallic immobilized cellulose hydrogel bead (CoFeO@CHB) to boost singlet oxygen evolution for tetracycline degradation |
| title_full | A recyclable Co-Fe bimetallic immobilized cellulose hydrogel bead (CoFeO@CHB) to boost singlet oxygen evolution for tetracycline degradation |
| title_fullStr | A recyclable Co-Fe bimetallic immobilized cellulose hydrogel bead (CoFeO@CHB) to boost singlet oxygen evolution for tetracycline degradation |
| title_full_unstemmed | A recyclable Co-Fe bimetallic immobilized cellulose hydrogel bead (CoFeO@CHB) to boost singlet oxygen evolution for tetracycline degradation |
| title_short | A recyclable Co-Fe bimetallic immobilized cellulose hydrogel bead (CoFeO@CHB) to boost singlet oxygen evolution for tetracycline degradation |
| title_sort | recyclable co fe bimetallic immobilized cellulose hydrogel bead cofeo chb to boost singlet oxygen evolution for tetracycline degradation |
| topic | Engineering::Environmental engineering Engineering::Materials Hydrogels Peroxymonosulfate |
| url | https://hdl.handle.net/10356/171613 |
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