UV Disinfection: Design Optimization Tools

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Abstract:

The use of UV disinfection for wastewater and water reuse applications is a well-established technology that continues to gain popularity, but it is not without its problems. In many cases, particularly in highdose, reuse applications, facilities are not meeting their design requirements even though design flow and UV transmittance are properly accounted for. This can occur for a number of reasons, but three likely culprits are an insufficient UV dose, poor channel hydraulics and/or flow distribution, solids accumulation, and sleeve fouling. Presented herein are descriptions of intelligent design tools and practices that can be used to optimize the design of UV disinfection systems. Use of these tools may increase the cost of design, but can also result in long-term cost savings by optimizing the equipment size, avoiding fines associated with excursions of permit limits.

Keywords: CFD modeling; UV disinfection; collimated beam analysis; sleeve fouling

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864710798193978

Publication date: January 1, 2010

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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