000168142 001__ 168142
000168142 005__ 20260127160850.0
000168142 0247_ $$2doi$$a10.1080/09593330.2025.2607666
000168142 0248_ $$2sideral$$a147678
000168142 037__ $$aART-2026-147678
000168142 041__ $$aeng
000168142 100__ $$aCentro Elia, Berta$$uUniversidad de Zaragoza
000168142 245__ $$aMagnetically enhanced Fenton-like processes by nanofibers: real-time observation of tetracycline degradation in pig manure wastewater
000168142 260__ $$c2026
000168142 5060_ $$aAccess copy available to the general public$$fUnrestricted
000168142 5203_ $$aThis work investigates the degradation of tetracycline (TC) in pig manure wastewater by a magnetically assisted heterogeneous Fenton-like process using MnFe2O4 magnetic nanoparticles (MNPs) embedded into polyacrylonitrile nanofibers (MNFs), resulting in flexible mats with high magnetic heating capacity (SLP approximate to 2.2 kW/g in air). TC degradation was monitored in real time by UV - Vis spectroscopy, showing that the MNF/H2O2 system could reduce the TC concentration from [TC](0)approximate to 6 mu g/mL to [TC]approximate to 50ng/mL after 40 & planckh;, corresponding to a >99&percnt removal. Control (blank) PAN fibres showed only a slow adsorption/degradation rate of approximate to 8ng/mL & sdot;& planckh;. The degradation kinetics displayed three regimes: an induction time (similar to 5 & planckh;), followed by accelerated degradation and late-time deactivation. A heterogeneous dynamic kinetic model (DKM) was used to describe the degradation mechanism, incorporating reactive oxygen species (ROS) generation, catalyst surface inactivation, and polymer stripping effects. The application of an alternating magnetic field (H-0=32kA/mf=450kHz) shortened the induction period from several hours to minutes, through the local heating of the MNFs (up to approximate to 51 degrees C). For a concentrated pig-manure filtrate ([TC](0)approximate to 0.32 mu g/mL), circulation through MNFs with H2O2 resulted in approximate to 50&percnt TC removal. We propose that the degradation process was driven by hydroxyl radical (center dot OH) formation through hydrogen peroxide (H2O2) activation on the MNPs surface. The magnetically triggerable Mn2FeO4@PAN nanofibers show that heterogeneous Fenton catalysis can be synergistically combined with localized magnetic heating to accelerate antibiotic degradation, offering a scalable, reusable and efficient alternative for antibiotic-contaminated wastewater with reduced iron sludge versus conventional homogeneous Fenton process..
000168142 536__ $$9info:eu-repo/grantAgreement/EC/H2020/101007629 /EU/Nanomaterials for Enzymatic Control of Oxidative Stress Toxicity and Free Radical Generation/NESTOR$$9This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No H2020 101007629 -NESTOR$$9info:eu-repo/grantAgreement/ES/MICINN/PDC2021-121409-I00
000168142 540__ $$9info:eu-repo/semantics/embargoedAccess$$aAll rights reserved$$uhttp://www.europeana.eu/rights/rr-f/
000168142 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/acceptedVersion
000168142 700__ $$aMorales Ovalle, Marco Antonio
000168142 700__ $$aFranco, Vanina G.
000168142 700__ $$aFuentes García, Jesús Antonio
000168142 700__ $$0(orcid)0000-0003-1558-9279$$aGoya, Gerardo F.$$uUniversidad de Zaragoza
000168142 7102_ $$15005$$2555$$aUniversidad de Zaragoza$$bDpto. Ing.Quím.Tecnol.Med.Amb.$$cÁrea Ingeniería Química
000168142 7102_ $$12003$$2395$$aUniversidad de Zaragoza$$bDpto. Física Materia Condensa.$$cÁrea Física Materia Condensada
000168142 773__ $$g(2026), 1-15$$pEnviron. technol.$$tENVIRONMENTAL TECHNOLOGY$$x0959-3330
000168142 8564_ $$s2036166$$uhttps://zaguan.unizar.es/record/168142/files/texto_completo.pdf$$yPostprint$$zinfo:eu-repo/date/embargoEnd/2027-01-02
000168142 8564_ $$s698062$$uhttps://zaguan.unizar.es/record/168142/files/texto_completo.jpg?subformat=icon$$xicon$$yPostprint$$zinfo:eu-repo/date/embargoEnd/2027-01-02
000168142 909CO $$ooai:zaguan.unizar.es:168142$$particulos$$pdriver
000168142 951__ $$a2026-01-27-15:01:13
000168142 980__ $$aARTICLE