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Mycofiltration of remazol blue brilliant R on solid state fermentation by white rot fungi using trickle bed reactor

par Siegmann, Tazio
Président du jury Gypens, Nathalie
Promoteur Debaste, Frédéric
Co-Promoteur Flahaut, Sigrid
Publication Non publié, 2025-06-23

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Résumé :

Emerging micropollutants represent a growing threat to aquatic environments due to their persistence, toxicity, and resistance to conventional wastewater treatment. These compounds, originating from various sources such as industrial effluents, pharmaceutical consumption leakage, and agricultural activities. Their presence in the environment can induce endocrine disruption, promote antibiotic resistance, and bioaccumulate even at trace concentrations. Among the various treatment strategies explored, bioremediation using white rot fungi, called mycofiltration, offers promising potential due to their enzymatic arsenal, low energy requirements, and capacity to degrade structurally diverse pollutants.This study evaluates the ability of white rot fungi to remove a model micropollutant, Remazol Brilliant Blue R (RBBR), under solid state fermentation (SSF) conditions using a trickle bed reactor (TBR). The research focuses on the design and operational parameters of trickle bed reactor systems, such as residence time, oxygenation, fungal strain, and liquid distribution. Particular attention is given to the hydrodynamic and biological factors that influence the performance of mycofiltration in TBRs.Experimental results demonstrate that white rot fungi can successfully grow on lignocellulosic carriers and reduce RBBR concentration under non-sterile, continuous flow conditions. The findings highlight the importance of reactor configuration, fungal strain selection, and carrier properties in achieving effective pollutant degradation. This work supports the feasibility of using fungal biofiltration in TBRs for sustainable micropollutant treatment in wastewater applications.