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AWWA MTC64508
- Photocatalysis Using Nano-Sized TiO2 for NOM Removal and Membrane Fouling Control
- Conference Proceeding by American Water Works Association, 03/01/2007
- Publisher: AWWA
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In this study, the photocatalysis process using a nano-sized TiO<sub>2</sub> catalyst wasevaluated for natural organic matter (NOM) removal and membrane fouling control. Various doses of TiO<sub>2</sub>photocatalysts were used to treat waters containing up to 10 mg/L total organic carbon(TOC). Fouling behaviors of a microfiltration (MF) and an ultrafiltration (UF) membrane were assessed before andafter photocatalysis treatment using a low intensity submerged ultraviolet (UV) lamp. Relativeeffects on NOM removal of individual processes involved, i.e., UV oxidation, TiO<sub>2</sub>adsorption and UV/TiO<sub>2</sub> photocatalytic oxidation were evaluated. Includes 9 references, figures.
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