Nitrogen-cycling microorganisms play essential roles in biological wastewater treatment,
where nitrogen is removed with substantial energy and chemical consumption and …

Highlights•Nitrogen cycle advances drive sustainable wastewater treatment innovation.•
Comammox microaerophilic nature allows energy-efficient complete nitrogen …

A large amount of greenhouse gas nitrous oxide (N 2 O) will be produced during the
biological nitrogen removal process for organic wastewater of low C/N ratio. One of the …

The start-up efficiency of the elemental sulfur packing bioreactor (S 0 PB) is constrained by
the slow growth kinetics of autotrophic microorganisms, which is essentially optimized. This …

The long-stabilized mainstream partial nitritation/Anammox (PN/A) process continues to
encounter significant challenges from nitrite-oxidizing bacteria (NOB). Therefore, this study …

Green manure is a crucial strategy for increasing cereal yield and mitigating environmental
burden while reducing chemical N fertilizer. To effectively tackle climate change, finding …

Wastewater treatment plants (WWTPs) are a major source of N2O, a potent greenhouse gas
with 300 times higher global warming potential than CO2. Several approaches have been …

Chitosan (CTS) serves as an excellent natural flocculant in wastewater purification and
sludge conditioning, but its potential impact on anaerobic fermentation of waste-activated …

Microbial community assembly (MCA) processes that shape microbial communities in
environments are being used to analyze engineered bioreactors such as activated sludge …

Adding carbon source is a common method to improve the nitrogen removal capacity of
constructed wetlands. However, current studies have generally ignored the changes in …