Siriwat Potvejkul | Paitoon Pimdee
Ozonisation is a chemical water treatment technique based on the infusion of ozone into the water, which can be a powerful oxidant, destroying a wide range of organic compounds and microorganisms (Environmental Protection Agency, 1999; Meijers, 1977; Tzortzakis & Chrysargyris, 2016). In 2014, one of the most modern wastewater treatment plants in the world was established in Dübendorf, Switzerland, which was the first facility in the country to treat micropollutants by ozonation followed by a proprietary sand filtration process (McArdell, 2015). This plant was designed to protect Lake Zurich in accordance with new Swiss legislation.
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