In an article published on 21 August, Aarhus Vand shares the results of a collaborative effort between wastewater treatment plants in Denmark (Aarhus Vand), Australia (Melbourne Water), and the UK (Severn Trent) to monitor nitrous oxide (N₂O) emissions for one year.
The Net Zero Partnership
Aarhus Vand, Melbourne Water, and Severn Trent in the UK have formed an international alliance called the Net Zero Partnership with the aim of collectively reducing carbon emissions by one million tons annually. They recognize that a substantial portion of these emissions comes from the activated sludge process used in wastewater treatment.
Below we share the key points from this article.
If you want to discuss nitrous oxide emissions from wastewater treatment, get in touch, either online or at WEFTEC, stand no. 8327.
One minute introduction to the N2O Wastewater System
Significant 3-fold increase in IPCC2019 wastewater N2O emission factor supported by Danish studies.
Monitor the N2O concentration in the liquid and use N2O as a control parameter for carbon dosage in the denitrification process.
Based on 2-years data from Danish WWTPs, you get an insight into the reduction potential in ton CO2 equivalent.
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