The partial nitrification-anammox (PNA) process applied to low C/N municipal wastewater treatment is often constrained by unstable nitrite supply and nitrate accumulation. In this study, a coupled suboptimal partial nitrification, sulfide-driven partial denitrification, and anammox (sPN-SPDA) process was developed in a...
Jia-Ning Wang, Bo Wang, Wen-Jie Li et al.· Bioresource Technology· 0 citations
Simultaneous anammox and endogenous denitrification (SAED) process enables efficient nitrogen removal from low carbon-to-nitrogen wastewater, yet how carbon source type influences microbial synergy and system robustness remains unclear. This study evaluated the sludge characteristics, performance, and ecological traits...
Wastewater treatment safeguards natural water health and secures urban water supplies; however, the global drive toward the Sustainable Development Goals has highlighted the sustainability shortcomings of the traditional energy- and resource-intensive paradigms. Here, we propose a dual-granule biotechnology comprisin...
Qi Zhao, Liang Zhang, Jian-Wei Li et al.· Environmental Science &...· 0 citations
The anammox process demonstrates significant potential as an energy-efficient nitrogen removal technology in wastewater treatment. However, its operational strategies and nutrient transformation mechanisms for treating complex high-ammonia wastewater require further investigation. This study developed a continuous-flow...
Hao-Ran Liang, Jin-Jin Liu, Zhao-Zhi Wang et al.· Bioresource Technology· 0 citations
This review systematically summarizes the latest advances, key challenges, and engineering application strategies of partial denitrification/anammox (PD/A) technology, with a particular focus on plug-flow biosystems. The plug-flow process is widely used, yet its effluent often fails standards due to low C/N ratios. To...
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...
Jiawei Yuan, Yirui Suo, Da Kang et al.· Environmental Science and Te...· 0 citations
Operational instability of partial nitrification (PN) remains a major barrier to mainstream energy-efficient wastewater treatment. Here, a stable simultaneous denitrification-anammox system driven by alkaline sludge fermentation liquor (ASFL) under varying nitrification levels (PN, complete nitrification, and their coe...
Xiaodi Li, Bo Wang, Wei Zeng et al.· Bioresource Technology· 0 citations
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