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Sammanfattning

In this study, we evaluated the use of fungal pellets produced from commercially available mushroom spawn of two white-rot fungi (Pleurotus ostreatus and Trametes versicolor) for removing pharmaceuticals from municipal wastewater. The impact of the treatment on 33 pharmaceuticals in wastewater sampled from various process stages, including after primary and secondary clarification and tertiary treated effluent, was evaluated. Treatments were tested for up to 72 h, with monitoring of pharmaceutical concentrations, laccase activity, and nutrient levels. High removal efficiencies, exceeding 90 %, were achieved within 24 h of treatment, including for several pharmaceuticals prioritized under the revised Urban Wastewater Treatment Directive. Removal performance remained high in the wastewater collected after primary clarification, demonstrating that the spawnbased fungal pellets remained functional in this complex wastewater matrix. This finding is of interest as the treatment resulted in increased levels of organic carbon and total phosphorus, highlighting the need for downstream management or process integration. Integration early in the treatment process, coupled with strategies for biomass valorization and nutrient control, could enhance its application in municipal wastewater management. Our results support the feasibility of fungal pellet treatment as a sustainable option for pharmaceutical removal. Further research is needed to address transformation products, economic viability, and largescale deployment.

Nyckelord

Bioremediation; Laccase; Pharmaceuticals; Pleurotus ostreatus; Trametes versicolor

Publicerad i

Water Research X
2025, volym: 29, artikelnummer: 100440

SLU författare

UKÄ forskningsämne

Vattenbehandlingsbioteknik

Publikationens identifierare

  • DOI: https://doi.org/10.1016/j.wroa.2025.100440

Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/144515