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Media Filtration, Membranes, Ozone, and UV: A Comparison of Disinfection Performance and Cost For Various Process Combinations to Disinfect Reclaimed Water

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For reclaimed water disinfection, pathogen reduction to acceptable public health risk levels is the primary objective. A second emerging objective is the ability to destroy trace pollutants (endocrine disrupters (EDCs), pharmaceutically active compounds (PhACs)) at a reasonably low cost.

The WateReuse Foundation's Innovative Reclaimed Water Treatment Project (WRF 02-009) is searching for cost-effective treatment technologies that provide substantial barriers to pathogens and trace pollutants. Findings to date shown substantial removal of bacteria, protozoa, and trace pollutants by microfiltration (MF) with reduced performance from sand filters. Ozone (O3) and ultraviolet light (UV) combined with hydrogen peroxide (H2O2) in pilot scale systems have shown promise for the destruction of pathogens and pollutants at economically feasible dose values.
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Document Type: Research Article

Publication date: 2007-01-01

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