Trace organic pollutants in wastewater effluents threaten the acceptance of water reuse for a number of applications. A large amount of research has been devoted to development of treatment technologies to degrade these compounds.  Among them advanced oxidation stands out as one of the promising technologies.  Typical ultraviolet based advanced oxidation processes require addition of chemicals such as hydrogen peroxide to generate hydroxyl radicals.  Nitrate, a common constituent of wastewater treatment plant effluents, produces hydroxyl radicals when irradiated with low wavelength UV.  This study evaluated the potential for using indigenous nitrate in effluents for generating enough hydroxyl radicals for considerable contaminant degradation at disinfection and advanced oxidation UV doses.

Nitrate assisted UV advanced oxidation in wastewater effluent

244th National Meeting (2012)

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