Graphitic biochar-anammox achieved by multi-heme-based extracellular electron transfer

doi:10.1016/j.watres.2025.124704

Graphitic biochar-anammox achieved by multi-heme-based extracellular electron transfer

2025-10-03

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DOI：10.1016/j.watres.2025.124704

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• Biochar-anammox leveraged graphitic defects for multi-heme electron transfer. • Biochar-anammox achieved 62 % N removal and 28 % N2O reduction under limited nitrite. • Denitrifying and ammonia oxidizing bacteria dominated the surface niche of biochar. • Anaerobic ammonia oxidation bacteria were responsible for heme precursor production. • Biofilm on biochar exhibited conductivity under zero-nitrite supply.

Graphitic biochar-anammox achieved by multi-heme-based extracellular electron transfer

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