Nitrogen is a requisite and highly demanded element for living organisms on Earth.
However, increasing human activities have greatly altered the global nitrogen cycle …

While there has been a significant recent improvement in the removal of pollutants in natural
and engineered systems, trace organic chemicals (TrOCs) are posing a major threat to …

In recent years, air pollution events have occurred frequently in China during the winter.
Most studies have focused on the physical and chemical composition of polluted air. Some …

A simultaneous nitrification and denitrification (SND) process in sequencing batch biofilm
reactor (SBBR) was established to treat high carbon and nitrogen saline wastewater in this …

The Qiantang River is a typical freshwater ecosystem that acts as an irreplaceable water
source in Zhejiang Province in southeastern China. However, the effects of environmental …

Microorganisms are ubiquitous in the atmosphere, where they can disperse for a long
distance. However, it remains poorly understood how these airborne microorganisms vary …

Biofilm detachment caused by flushing can result in secondary contamination in drinking
water distribution systems (DWDSs). To evaluate the impact of flushing on biofilm …

Nitrite-dependent anaerobic methane oxidation (n-damo) process was reported to be
mediated by “Candidatus Methylomirabilis oxyfera”, which belongs to the candidate phylum …

Nitrogen (N) pollution of freshwater, estuarine and marine ecosystems is widespread and
has numerous environmental and economic impacts. A portion of this excess N comes from …

Human activities have largely modified nitrogen (N) sources supply, cycling and export from
land to ocean. Nitrification and denitrification are vital processes alleviating N pollution in …