Nitric oxide (NO) is an important signaling molecule that is involved in a wide range of
physiological and pathological events in biology. Metal coordination chemistry, especially …

Iron sulphides, mainly in the form of mackinawite (FeS), pyrrhotite (Fe 1-x S, x= 0–0.125) and
pyrite (FeS 2), are the most abundant sulphide minerals and can be oxidized under anoxic …

Anoxic ammonium oxidation (anammox) is an energy-efficient nitrogen removal process for
wastewater treatment. However, the unstable nitrite supply and residual nitrate in the …

Biological nitrogen removal (BNR) is one of the most important environmental concerns in
the field of wastewater treatment. The conventional BNR process based on heterotrophic …

The Epsilonproteobacteria is the fifth validly described class of the phylum Proteobacteria,
known primarily for clinical relevance and for chemolithotrophy in various terrestrial and …

Globally, denitrification is commonly employed in biological nitrogen removal processes to
enhance water quality. However, substantial knowledge gaps remain concerning the overall …

Anaerobic ammonium oxidation (anammox) is a microbial process in which NH4+ is
oxidized to N2 gas with NO2− as an electron acceptor. The anammox process is mediated …

To maximize energy recovery, carbon capture followed by shortcut nitrogen removal is
becoming the most promising route in biological wastewater treatment. As the intermediate …

Organisms capable of autotrophic metabolism assimilate inorganic carbon into organic
carbon. They form an integral part of ecosystems by making an otherwise unavailable form …

Nitrate is a key node in the network of the assimilatory and respiratory nitrogen pathways. As
one of the 'fixed'forms of nitrogen, nitrate plays an essential role in both nature and industry …