PROCESS AND APPARATUS FOR WATER DECONTAMINATION

A method for removing N-nitroso-dimethylamme (NDMA) and its derivatives ( e.g. dimethylamine) from water. The method combines ultra-violet irradiation and ozonation. Hydrogen peroxide may be added to the treated water during o zonation. The method allows also to remove volatile organic compounds pre...

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Bibliographic Details
Main Authors GUSTAFSON, DOUGLAS, ROBINSON, B. KEEL
Format Patent
LanguageEnglish
French
Published 30.10.2008
Subjects
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:A method for removing N-nitroso-dimethylamme (NDMA) and its derivatives ( e.g. dimethylamine) from water. The method combines ultra-violet irradiation and ozonation. Hydrogen peroxide may be added to the treated water during o zonation. The method allows also to remove volatile organic compounds presen t in the treated water and to destroy microorganisms. A modular sidestream i njection apparatus used during the ozonation step.
Bibliography:Application Number: CA20082684237