LESSDRONE has been used for the first official off-gas testing of this project in the aeration tanks of Cuoiodepur Water Resource Recovery Facility (WRRF). The aim of the tests is to establish the procedures to ensure stable operation of LESSDRONE and to verify the accuracy of the measurements in function of changes in WRRF operating conditions. An investigation on the variation of greenhouse gases (GHGs) emissions as function of different operating conditions has been also carried out.

The slides of the Lesswatt project webinar entitled “N2O risk assessment” held on March 31, 2021 are available online and can be downloaded from the Download section of this website.

In March 2021, the first measurement campaign planned at Roma est WRRF was completed. The campaign, which was intended to measure oxygen transfer and the production of greenhouse gases produced

Newsletter n.5 is now available on-line and can be downloaded from the section Download/Newsletter.

In September and October 2020, the measurement campaigns planned at Tillburg and Eindhoven WRRFs (The Netherlands) were completed.

A description of the LESSWATT project was published on 21 December 2020 on SCENARI, the commercial supplement of the “Il sole 24 ORE” economic newspaper . The article published in