J Environ Manage 2021 Jun 8;294:112928. Epub 2021 Jun 8.
Department of Chemistry and Biology, Ryerson University, 350 Victoria St., Toronto, ON, M5B 2K3, Canada; Department of Microbiology, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa. Electronic address:
The oxidation of ammonia by autotrophic bacteria is a central part of the nitrogen cycle and a fundamental aspect of biological nutrient removal (BNR) during wastewater treatment. Autotrophic ammonia oxidation produces protons and results in net-CO production due to the neutralizing effect of bicarbonate alkalinity. Attention must be paid to the propensity for this produced CO to be transferred to the atmosphere where it can act as a greenhouse gas (GHG). Read More