PROCESS AND APPARATUS FOR WATER DECONTAMINATION

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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GUSTAFSON, DOUGLAS, ROBINSON, B. KEEL
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung: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.