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The fluence (dose) delivered by an ultraviolet reactor has traditionally been determined by average UV fluence rate (intensity) multiplied by the mean retention time. True reactor performance however can be much lower as a result of short-circuiting (a phenomenon where microbes receive
less than average doses when flowing through the reactor). Since microorganisms that receive low doses determine the overall reactor efficiency, a dose distribution instead of an average dose is necessary to accurately predict reactor performance. Detailed flow conditions to estimate paths
of microorganisms and intensity field calculations are therefore required to predict doses received by each individual microorganism. The validation of an UV computational disinfection model (CoDiM) is presented. Performances of different vertical and parallel UV reactors have been estimated
with the model and compared with results from experiments. The presented computational disinfection model provides researchers with a practical tool to evaluate UV reactor performances and conceptualize new and more efficient reactors.
Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed. WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access.