[HTML][HTML] Denitrifying communities enriched with mixed nitrogen oxides preferentially reduce N2O under conditions of electron competition in wastewater

J Ye, MM Jensen, EM Goonesekera, R Yu… - Chemical Engineering …, 2024 - Elsevier
The reduction rate of nitrous oxide (N 2 O) is affected by the electron competition among the
four denitrifying steps, limiting the mitigation of N 2 O emissions during wastewater …

Impact of nutrient deficiency on biological sewage treatment–Perspectives towards urine source segregation

CX Chen, V Koskue, H Duan, L Gao, HK Shon… - Science of The Total …, 2024 - Elsevier
Human urine contains 9 g/L of nitrogen (N) and 0.7 g/L of phosphorus (P). The recovery of N
and P from urine helps close the nutrient loop and increase resource circularity in the …

Favipiravir biotransformation by a side-stream partial nitritation sludge: Transformation mechanisms, pathways and toxicity evaluation

Y Xu, Y Liu, C Liang, W Guo, HH Ngo, L Peng - Chemosphere, 2024 - Elsevier
Abstract Information on biotransformation of antivirals in the side-stream partial nitritation
(PN) process was limited. In this study, a side-stream PN sludge was adopted to investigate …

[HTML][HTML] Coarse bubble mixing in anoxic zone greatly stimulates nitrous oxide emissions from biological nitrogen removal process

H Duan, S Watt, D Erler, H Li, Z Wang, M Zheng, S Hu… - Water Research X, 2024 - Elsevier
The biological nitrogen removal process in wastewater treatment inevitably produces nitrous
oxide (N 2 O), a potent greenhouse gas. Coarse bubble mixing is widely employed in …