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New York City Department of Environmental Protection (DEP) is actively planning for the implementation of an ultraviolet light (UV) disinfection facility as an additional treatment barrier for the City's Catskill and Delaware supplies. The Catskill and Delaware supplies are pristine in nature, which has allowed the DEP to continue a Filtration Avoidance Determination with the United States Environmental Protection Agency (EPA). Of the nearly 2 billion gallons of drinking water consumed daily in New York City, nearly 90 percent is supplied from the Catskill and Delaware system. DEP has committed to the design and construction of a UV disinfection facility for the Catskill and Delaware supplies under the agreement with EPA. As part of this commitment, DEP has developed a Conceptual Design of the UV disinfection facility that has incorporated UV reactors with nominal capacities of 40-mgd. As part of the Conceptual Design, DEP began a modeling program to demonstrate that integrated models of UV light intensity distribution (LID) and computational fluid dynamics (CFD) can effectively predict UV reactor performance. Initially, a small-scale reactor (

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Edition: Vol. - No. Published: 11/01/2002 Number of Pages: 21File Size: 1 file , 590 KB