Oxidation of contaminants in water

Oxidation of contaminants in water
01/07/2008 | Elhuyar
(Photo: R. Cardboard)

The aim of a group of researchers from the Faculty of Science and Technology of the UPV/EHU is to reduce emissions of pollutants from the industry to water. In fact, most organic waste is biodegradable, but plastics, dyes and detergents cannot degrade themselves, which prevents the use of water as a resource.

The Energy and Environment Chemical Engineering Group removes substances poured into water through the process called advanced oxidation, i.e., oxidize chemical compounds as if they 'burn' in water. Ozone (O3) and hydrogen peroxide (H2O2) are used for this purpose. Their main advantage is that they are "clean" molecules that, unlike other substances such as chlorine, disappear after oxidative function. This chemical process reduces contaminants present in the water to their degradation by themselves or, at least, their treatment by conventional systems.

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Eusko Jaurlaritzako Industria, Merkataritza eta Turismo Saila