Table 1. Overview of Wastewater Treatment Plants, MBBR = Moving Bed Biofilm Reactor.
| site | treatment process | water type | location | time of sampling (2022) |
|---|---|---|---|---|
| (A) | MBBR | landfill leachate | Sweden | August |
| (B) | MBBR | industrial process water | Sweden | August |
| (C) | MBBR | municipal wastewater | Sweden | December |
| (D) | activated sludge | landfill leachate | The Netherlands | November |
| (E) | activated sludge | landfill leachate | The Netherlands | October |
| (F) | activated sludge | municipal wastewatera | Belgium | September |
| (G) | activated sludge | municipal wastewater | Spain | September |
| (H) | activated sludge | municipal wastewaterb | Australia | September |
| (I) | electrocoagulation | stormwater runoff from landfillc | The Netherlands | September |
| (J) | ozonation | municipal wastewater | Sweden | December |
The influent was sampled before sand filtration instead of right before the activated sludge reactor.
The influent to this site contained approximately 30% industrial wastewater.
Specifically, the stormwater runoff came from the bottom ash storage area on the landfill.