Removal of Ibuprofen and Diclofenac in Batch Nitrifying Reactors: Effect of Natural Zeolite on the Process

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dc.contributor.authorEscobar, Jenny
dc.contributor.authorHernandez, Leslie
dc.contributor.authorGonzalez, Jorge Leiva
dc.contributor.authorSalazar-Gonzalez, Ricardo
dc.contributor.authorCalzadilla, Wendy
dc.contributor.authorGuerrero, Lorna
dc.contributor.authorEscalona, Nestor
dc.contributor.authorHuilinir, Cesar
dc.date.accessioned2025-01-20T20:08:23Z
dc.date.available2025-01-20T20:08:23Z
dc.date.issued2023
dc.description.abstractIbuprofen (IBP) and diclofenac (DFC) are two of the most commonly used non-steroidal anti-inflammatory drugs (NSAIDs) to treat inflammation and pain. However, they can impact the environment if not treated adequately before discharge into waterways. Biodegradation through the nitrification process is an alternative to reducing the concentration of these micropollutants (MPs) in wastewater. Thus, this work aimed to evaluate the effect of natural zeolite on IBP and DFC removal in a nitrifying batch reactor. Mini-reactors were set up with 90 mL of inoculum and 110 mL of synthetic wastewater with a concentration of 25 mg total ammonia nitrogen TAN/L, at 25 & DEG;C and 1 vvm (volume of air/volume liquid & BULL;min) of aeration. Two conditions were tested: high concentrations (IBP = 700 & mu;g/L, DFC = 100 & mu;g/L) and low concentrations (IBP = 30 & mu;g/L, DFC = 20 & mu;g/L). The research used a concentration of 5 g/L of the natural zeolite. Results indicated that the zeolite negatively affected the nitrification rate. At high MPs concentration, the natural zeolite negatively affects the removal of IBP and DFC, where biodegradation and sorption are the mechanisms that eliminate both NSAIDs. Conversely, at low DFC and IBP concentrations, the natural zeolite improves the removal of IBP and DFC, wherein biodegradation is the primary removal mechanism.
dc.description.funderANID through FONDECYT Regular
dc.fuente.origenWOS
dc.identifier.doi10.3390/w15142665
dc.identifier.eissn2073-4441
dc.identifier.urihttps://doi.org/10.3390/w15142665
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/91898
dc.identifier.wosidWOS:001038956800001
dc.issue.numero14
dc.language.isoen
dc.revistaWater
dc.rightsacceso restringido
dc.subjectdiclofenac
dc.subjectibuprofen
dc.subjectkinetic
dc.subjectnitrification
dc.subjectzeolite
dc.subject.ods06 Clean Water and Sanitation
dc.subject.ods03 Good Health and Well-being
dc.subject.odspa06 Agua limpia y saneamiento
dc.subject.odspa03 Salud y bienestar
dc.titleRemoval of Ibuprofen and Diclofenac in Batch Nitrifying Reactors: Effect of Natural Zeolite on the Process
dc.typeartículo
dc.volumen15
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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