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UV Takes Water Treatment Chemical-Free

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A new UV process quickly breaks down pollutants in wastewater without help from chemical catalysts. The system uses 172-nm light to trigger photolysis, splitting H2O molecules into highly reactive hydroxyl radicals. “These hydroxyl compounds have an even higher reaction potential than atomic oxygen, for example,” said Siegfried Egner, head of the Physical Process Technology department at the Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB. “They are therefore able to decompose even very stable hydrocarbon compounds contained in harmful...Read full article

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    Published: May 2014
    Glossary
    photolysis
    The photochemical reaction of light present in the decomposition of a substance.
    BiophotonicsEcophotonicsEuropeGreenLightindustrialLight SourcesphotolysisResearch & TechnologyUVFraunhofer Institute for Interfacial Engineering and Biotechnology IGBSiegfried Egner

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