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Technical Information

UV Oxidation and Disinfection Papers and Abstracts

"UV Experience for Inactivating Cryptosporidium in Surface Water Plants"
Summary: Research conducted by Calgon Carbon Corporation in 1998 proved that UV disinfection is very effective for inactivating cryptosporidium and giardia at low UV doses.
Authors: Daniel Brooks, Gary Van Stone, and Wayne Lem, Calgon Carbon Corporation, Pittsburgh, Pennsylvania, USA.

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"Application of a Medium Pressure UV System for the Treatment of N-Nitrosodimethylamine (NDMA)"
Summary: Since NDMA is photochemically labile, advanced oxidation technologies, based on irradiation with ultraviolet (UV) light, have been promoted for the removal of NDMA in contaminated waters.
Authors: Wayne Lem, P.Eng., Calgon Carbon Corporation, Pittsburgh, Pennsylvania, USA.

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"Comparison of MS-2 Biodosimetry Challenge Results with Computational Fluid Dynamics Modeling for a UV Disinfection Reactor"
Summary: This project evaluated a medium pressure ultra-violet (UV) reactor downstream from a conventional surface water treatment plant to determine the UV dose delivered by the reactor.
Authors: Wayne Lem, P.Eng., Calgon Carbon Corporation, Pittsburgh, Pennsylvania, USA.

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"Scale-up of a Medium Pressure UV System for the Treatment of N-Nitrosodimethylamine (NDMA) and its Advantages Over Low Pressure UV Systems"
Summary: In this paper, the selection and scale-up considerations for UV systems designed to destroy NDMA are reviewed.
Authors: Wayne Lem, P.Eng., Calgon Carbon Corporation, Pittsburgh, Pennsylvania, USA.

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"Inactivation of Cryptosporidium parvum by Medium-Pressure Ultraviolet Light in Finished Drinking Water"
Summary: The authors describe demonstration studies carried out under the NSF/EPA ETV Program to show results that a UV dose as low as 19 mJ cm-2 provided 3.9 logs inactivation of the Cryptosporidium oocysts.
Authors: James R. Bolton and Bertrand Dussert, Calgon Carbon Corporation, Markham, ON, Canada; Zia Bukhari, Thomas Hargy and Jennifer L. Clancy Clancy Environmental Consultants, Inc., St. Albans, VT.

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