Bacteria Supported on Carbon-Coated Monoliths for Water Denitrification
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AuthorEspinosa Iglesias, David; Bailón García, Esther; Bautista Toledo, María Isidora; Carrasco Marín, Francisco; Pérez Cadenas, Agustín Francisco
Carbon-coated monolithsBacteriaWater treatmentsNitrate removal
Espinosa-Iglesias, D., Bailón-García, E., Bautista-Toledo, M., Carrasco-Marín, F., & Pérez-Cadenas, A. F. (2020). Bacteria Supported on Carbon-Coated Monoliths for Water Denitrification. C, 6(4), 77. [doi:10.3390/c6040077]
SponsorshipJunta de Andalucía P18-RTJ-2974 RNM172; Generalitat Valenciana APOSTD/2019/030
Escherichia coli bacteria were grown inside the channels of cordierite monoliths previously coated with a very good adhered carbon layer. These monolithic structures were tested at room temperature for the nitrate elimination of water solutions working as a batch monolithic bioreactor and showed very good results, as 100% of the nitrates and nitrites were completely removed in the used experimental conditions. Di erent rate flows of bacteria growth and nitrate elimination were studied, showing that the higher the flow velocity, the faster the nitrate elimination. Finally, the reproducibility tests confirmed the good performance of the proposed bioreactor.