www.evoqua.com www.evoqua.com The object The water supply system in Zurich supplies approx. 850,000 people in the city of Zurich and in 67 nearby municipalities with high-quality drinking water at all times. On average, 151,200 m 3 of water are consumed each day, the entire water supply network is 1,542 km long (Figures: 2010). The challange Wasserversorgung Zürich (Zurich Water Supply) has redesigned the pre-oxidation and post-oxidation st

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