000168635 001__ 168635
000168635 005__ 20260212205631.0
000168635 0247_ $$2doi$$a10.1007/s11356-025-37382-4
000168635 0248_ $$2sideral$$a148071
000168635 037__ $$aART-2026-148071
000168635 041__ $$aeng
000168635 100__ $$0(orcid)0000-0002-1401-7511$$aMoles, Samuel
000168635 245__ $$aUpcycling pine-bark into powerful adsorbents: tetracycline removal from aquaculture effluents combining biochar and advanced oxidation processes
000168635 260__ $$c2026
000168635 5060_ $$aAccess copy available to the general public$$fUnrestricted
000168635 5203_ $$aThe presence of antibiotics in aquaculture wastewater poses environmental and public-health risks by disrupting aquatic ecosystems and promoting the spread of antibiotic-resistant bacteria. This study evaluates pine-bark biochars activated under different atmospheres for the removal of tetracycline from real aquaculture wastewater and examines their combined use with peroxymonosulfate as an oxidant. The biochars were produced by pyrolysis and activated using carbon dioxide or humid argon. Carbon-dioxide activation generated a larger surface area and a more developed porous structure than humid-argon activation, which resulted in higher adsorption performance. Batch experiments achieved 80–100% tetracycline removal in real aquaculture wastewater containing competing ions and dissolved organic matter. Adsorption kinetics followed the pseudo-second-order model, indicating that chemisorption governed the process, while intraparticle diffusion contributed but was not the controlling step. The solution pH strongly influenced adsorption, with maximum removal under alkaline conditions. Results suggest that aromatic ring interactions, hydrogen bonding and surface complexation were predominant adsorption mechanisms. Combining biochar with peroxymonosulfate enhanced tetracycline removal through a synergistic effect, reaching up to 99% with very low oxidant dosages. These findings highlight pine-bark biochar as a promising and sustainable metal-free material for treating contaminants of emerging concern in aquaculture wastewater.
000168635 536__ $$9info:eu-repo/grantAgreement/ES/MICINN-AEI/PID2021-122413NB-I00
000168635 540__ $$9info:eu-repo/semantics/openAccess$$aby$$uhttps://creativecommons.org/licenses/by/4.0/deed.es
000168635 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000168635 700__ $$0(orcid)0000-0002-7456-4912$$aMosteo, Rosa$$uUniversidad de Zaragoza
000168635 700__ $$aRomero-Sarria, Francisca
000168635 700__ $$aGarcía-Muñoz, Patricia
000168635 700__ $$aRodríguez-Chueca, Jorge
000168635 7102_ $$15005$$2790$$aUniversidad de Zaragoza$$bDpto. Ing.Quím.Tecnol.Med.Amb.$$cÁrea Tecnologi. Medio Ambiente
000168635 773__ $$g33, 4 (2026), 1237-1249$$pEnviron. sci. pollut. res. int.$$tEnvironmental Science and Pollution Research$$x0944-1344
000168635 8564_ $$s1321560$$uhttps://zaguan.unizar.es/record/168635/files/texto_completo.pdf$$yVersión publicada
000168635 8564_ $$s1909024$$uhttps://zaguan.unizar.es/record/168635/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000168635 909CO $$ooai:zaguan.unizar.es:168635$$particulos$$pdriver
000168635 951__ $$a2026-02-12-20:38:25
000168635 980__ $$aARTICLE