Efficiency of Point-of-Use Water Disinfection Using Deep UV Light Emitting Diode Technology

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We present results of microbial disinfection of E.coli bacteria in water using Point-of-Use UV light-emitting diode (LED) chamber. A set of four UVCLEAN LED lamps was used to produce UV radiation at 272-273nm. More than 6LOG reduction of E.coli was obtained at flow rate of 0.5L/min. Disinfection efficiency saturated with increasing of input (and UV) power indicating full eradication of E.coli at 0.5L/min. At flow rate of 2L/min germicidal efficiency increased linearly with input power demonstrating excellent reactor scaling.

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Journal: TechConnect Briefs
Volume: Technical Proceedings of the 2011 Clean Technology Conference and Trade Show
Published: June 13, 2011
Pages: 263 - 266
Industry sector: Energy & Sustainability
Topics: Water Technologies
ISBN: 978-1-4398-8189-7