Optimal carbofuran degradation via CWPO in NOM-doped water by a framework Cu-doped aluminate perovskite catalyst derived from aluminum saline slags
| dc.contributor.author | Muñoz Alvear, Helir Joseph | |
| dc.contributor.author | Galeano, Luis Alejandro | |
| dc.contributor.author | Vicente, Miguel Ángel | |
| dc.contributor.author | Korili, Sophia A. | |
| dc.contributor.author | Gil Bravo, Antonio | |
| dc.contributor.department | Institute for Advanced Materials and Mathematics - INAMAT2 | en |
| dc.contributor.funder | Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa | |
| dc.date.accessioned | 2024-10-04T11:38:57Z | |
| dc.date.available | 2024-10-04T11:38:57Z | |
| dc.date.issued | 2024-09-19 | |
| dc.date.updated | 2024-10-04T11:27:59Z | |
| dc.description.abstract | This study is the first to propose the synthesis of LayAl1–xCuxO3–δ perovskite catalysts using Al recovered from acid leaching of saline slags. The effect of parameters such as the La/Al molar ratio was explored during the synthetic process. A suite of characterization techniques¿including XRF, XRD, N2 adsorption, H2-TPR, FTIR, TGA-DTA, TEM, SEM, EDX, and XPS¿confirmed the successful synthesis of high-purity (up to 90 %) perovskites with La and O vacancies, and a high concentration of Cu(I) active sites dispersed within the perovskite lattice. The best catalyst was used to optimize the degradation of carbofuran (CBF) in water doped with synthetic dissolved natural organic matter (NOM) using the Fenton-like catalytic wet peroxide oxidation (CWPO) approach. The effects of catalyst concentration, H2O2 dose, and pH on catalytic performance were investigated. Degradation, mineralization (COD removal), and H2O2 consumption were maximized, while Cu leaching was minimized using a statistical desirability function for multiple responses. Optimal conditions were found to be a catalyst concentration (mg Cu/mg H2O2) of 0.234 (2.0 g L-1), an H2O2 dose of 73.3 % (0.73 times the stoichiometric dose for full COD mineralization), and a remarkable circumneutral pH of 6.2. Under these conditions, degradation reached 94.1 %, and COD mineralization was 51 % under room temperature. Notably, the perovskite catalyst exhibited remarkable stability during reuse in up to three cycles, as demonstrated by the low Cu leaching (<1.30 mg L-1). | en |
| dc.description.sponsorship | The authors are grateful for financial support from the Spanish Ministry of Science and Innovation (MCIN/AEI/10.13039/501100011033) through projects PID2020-112656RB-C21 and PID2023-146935OB-C21. HJM thanks the Universidad Pública de Navarra for a doctoral grant. Open access funding provided by Universidad Pública de Navarra. | |
| dc.format.mimetype | application/pdf | en |
| dc.identifier.citation | Muñoz, H. J., Galeano, L. A., Vicente, M. A., Korili, S. A., Gil, A. (2024) Optimal carbofuran degradation via CWPO in NOM-doped water by a framework Cu-doped aluminate perovskite catalyst derived from aluminum saline slags. Chemical Engineering Journal, 499, 1-18. https://doi.org/10.1016/j.cej.2024.155971 | |
| dc.identifier.doi | 10.1016/j.cej.2024.155971 | |
| dc.identifier.issn | 1385-8947 | |
| dc.identifier.uri | https://academica-e.unavarra.es/handle/2454/52003 | |
| dc.language.iso | eng | |
| dc.publisher | Elsevier | |
| dc.relation.ispartof | Chemical Engineering Journal, 499(2024), 155971 | |
| dc.relation.projectID | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-112656RB-C21/ES/ | |
| dc.relation.projectID | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2023-146935OB-C21/ | |
| dc.relation.publisherversion | https://doi.org/10.1016/j.cej.2024.155971 | |
| dc.rights | © 2024 The Author(s). This is an open access article under the CC BY-NC license. | |
| dc.rights.accessRights | info:eu-repo/semantics/openAccess | |
| dc.rights.uri | https://creativecommons.org/licenses/by-nc/4.0/ | |
| dc.subject | LayAl1–xCuxO3–δ perovskite catalyst | en |
| dc.subject | Saline slag | en |
| dc.subject | CWPO | en |
| dc.subject | Carbofuran | en |
| dc.subject | Multi-response statistical optimization | en |
| dc.title | Optimal carbofuran degradation via CWPO in NOM-doped water by a framework Cu-doped aluminate perovskite catalyst derived from aluminum saline slags | en |
| dc.type | info:eu-repo/semantics/article | |
| dc.type.version | info:eu-repo/semantics/publishedVersion | |
| dspace.entity.type | Publication | |
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