The mainstream application of anammox in municipal wastewater treatment is constrained by unstable nitrite supply and poor retention of anammox bacteria (AnAOB). In this study, a continuous-flow anaerobic/oxic/anoxic (AOA) system treating real low-C/N municipal wastewater was operated for 265 d to establish endogenous...
Si-Yuan Zhou, Liang Zhang, Yu-Ying Duan et al.· Water Research· 0 citations
Partial denitrification (PD) regulates nitrite supply in partial denitrification-anammox (PD/A) systems and is therefore central to stable, low-carbon nitrogen removal. In practice, however, PD/A performance is highly vulnerable to toxic heavy metals, particularly Cu². Here we engineer a hydroxyapatite-coupled PD granu...
Yu Lan, Yan-Ling Yang, Shen-Bin Cao et al.· Journal of Hazardous Materia...· 0 citations
Partial denitrification has been proposed as an alternative route to supply nitrite for anammox bacteria. The genus Thauera is frequently dominant in this process, yet the genomic basis for its ecological success within activated sludge remains unclear. Here, genome-resolved metagenomics was used to elucidate the genom...
Jia-Wei Yuan, Yirui Suo, Da Kang et al.· Environmental Science and Te...· 0 citations
The operational stability of continuous-flow partial denitrification-anammox (PD/A) systems is frequently constrained by insufficient nitrite supply and temperature sensitivity of anammox bacteria, particularly under low-temperature stress. In such conditions, filamentous bacteria often proliferate excessively, and the...
Jiarui Fan, Shen-Bin Cao, Rui Du et al.· Bioresource Technology· 0 citations
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