The ARA Mönchaltorf is built for 4000 people. It was installed in the year 1971. The last extension was 2003. The water is drawn from the Aabach and the Greifensee.
In Mönchaltorf, the following steps are processed:
1. Preliminary sedimentation
2. Activated sludge plant with deep aeration
3. Nitrification / denitrification
4. Chemical phosphate elimination
5. Wastewater filtration
Source:
moenchaltorf.ch
zh.ch