For the point "Chemical Cleaning" we will have the following concept:
1. Putting in pictures
2. Describing the process of "Chemical Cleaning" and what "Phosphate" is
3. Find a conclusion
4. Do a presentation with a surprise
Indi and Daniel
Our group is focusing on the 6th step of an water treatmant plant, which is the cleaning part. We divided the steps in more sub-parts;
- Mechanical cleaning
- Biological cleaning
- Chemical cleaning
We want to explain how these steps work and what is done in each step.

The ARA Wetzikon is a water treatment plant located at the edge of Wetzikon.
it is designed for arround 37k peoples, but is allready used arround 120%!
The ARA Wetzikon also treats water for Hitnau and Pfäffikon.

https://www.wetzikon.ch/verwaltung/bau-planung/tiefbau/stadtentwaesserung
The Werdhölzli waste water treatment plant, also known as ARA Zürich-Werdhölzli, is the waste water treatment plant for the city of Zurich.
With a population equivalent of 670,000 people, it is the largest sewage treatment plant in Switzerland.
In addition to the city's wastewater, it also treats wastewater from the municipalities of Zollikon, Wallisellen and Kilchberg, as well as a partial amount from the municipalities of Adliswil, Rümlang and Zumikon.
The plant is operated by Entsorgung + Recycling Zürich.
https://www.stadt-zuerich.ch/ted/de/index/entsorgung_recycling/wissen/wasser/klaerwerk.html

Located in: Bändlistrasse 108, 8064 Zürich
What WWTP (Waste Water Treatment Plant = Kläranlage) is cleaning your personal waste water?
The ARA Jungholz wastewater treatment plant in Niederuster cleanses the wastewater of the cities of Uster and Greifensee. It is made up of several subplants that handle wastewater treatment, stormwater treatment, and sludge treatment. The first plant went into operation in 1956, and it has been regularly updated to meet changing legal requirements and technological advancements since then.
What is its dimension?
The WWTP Jungholz is responsible for ca. 35'000 inhabitants of Uster and for ca. 5'000 inhabitants of Greifensee.
Where is it located (map link)?
Ara Jungholz - Google Maps: ARA Jungholz, Seestrasse 171, 8610 Uster
How does it look like?

The Werdhölzli sewage treatment plant, also known as ARA Zürich-Werdhölzli, is the sewage treatment plant for the city of Zurich. With a population equivalent of 670,000 people, it is the largest sewage treatment plant in Switzerland. In addition to the city's wastewater, it also treats wastewater from the municipalities of Zollikon, Wallisellen and Kilchberg, as well as a partial amount from the municipalities of Adliswil, Rümlang and Zumikon. The plant is operated by Entsorgung + Recycling Zürich.
Located in: Bändlistrasse 108, 8064 Zürich
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Which WWTP (Waste Water Treatment Plant = Kläranlage) is cleaning my personal waste water?
Stadtwerk Winterthur
What is it dimension?
The Winterthur wastewater treatment plant reaches more than 120,000 people in Winterthur and also in other villages of Winterthur, like Turbenthal, wich belongs to Winterthur.
Where is it located?
Stadtwerk Winterthur is located at the Schöntalstrasse 12, 8406 in Winterthur
map.search.ch/Stadtwerk-Winterthur
How does it look like?

Vielen Dank für ihr Interesse an einer Führung bei uns. Wie telefonisch besprochen treffen wir uns am
6. Oktober 2021, 16:50 Uhr bei der Stadtentwässerung Wetzikon, Usterstrasse 191, 8620 Wetzikon. Sollten ihre Schüler mit dem Auto kommen stehen ihnen maximal 5 Parkplätze zur Verfügung. Die ARA ist jedoch vom More...
Kläranlage Schachen, Wolfhausen
â–· Klaeranlage Schachen, Wolfhausen | Cylex®
Built for cleaning water of all habitants of Wolfhausen. These are 3'500.
Just a small ARA. So small, that I couldn't find an image of it or any further information. But I know, it is placed down this small path.

I live in Zürich and "Klärwerk Werdhölzli" cleans my water.
It's in Bändlistrasse 108.
Attached is a picture of it
