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Enhanced denitrification by nano ɑ-Fe2O3 induced self-assembled hybrid biofilm on particle electrodes of three-dimensional biofilm electrode reactors
Siyuan Wang, Xueyuan Yang, Hui-shan Meng, Yan-chen Zhang +2
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Abstract
induced SAHB exhibit superior denitrification performance compared to natural biofilm. The average denitrification rate increases from 0.62 mg total nitrogen/L/h for natural biofilm to 1.73 mg total nitrogen/L/h for SAHB, mainly ascribed to accelerated nitrites reduction. Our work provides new technical solution to enhance nitrates removal in 3D-BERs and brings deep insights into application of bio-electrochemical system in wastewater treatment.
Keywords
BiofilmDenitrificationElectrodeParticle (ecology)ChemistryChemical engineeringElectrochemistryNano-Materials scienceNitrogenBacteriaEcologyBiologyOrganic chemistry
Identifiers
- Journal
- Environment International
- Year
- 2019