The Horse 2020/21

Environment & Technology

Concept of step 6

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.

 

Waste Water Treatment Plant Dunkelhölzli

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 

 

WWTP - ARA Jungholz

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?

 

WWTP - Werdhölzli

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