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DOUBLE-FOLDED LOW-PRESSURE, HIGH-OUTPUT ULTRAVIOLET LAMP AND ENHANCED MIXING REACTOR CHAMBER COMBINE TO DISINFECT UP TO 1 MGD PER LAMP OF MUNICIPAL WASTEWATER – CASE STUDIES

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The main objective of this study was to demonstrate the efficiency of a novel ultraviolet disinfection system for a wide variety of effluents, ranging from primary wastewater to filtered, tertiary wastewater. All studies were performed with a Product Demonstration Unit (PDU) version of the commercial UV system.

The treatment performance of the UV system ranged from 175 gpm to 700 gpm per lamp. There was a strong correlation between the treatment performance and the transmittance of the effluent. Elevated iron levels negatively impacted the performance of the system. The distance between the lamp and the reactor's walls was a critical parameter; the optimal distance was highly dependent on the water quality. The power cost ranged from 0.17 to 0.66 ct/1,000 gal.

Combining a high treatment's flow rate per lamp and low power cost, the UV system presented in this paper represents a breakthrough in innovative UV disinfection technology.
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Document Type: Research Article

Publication date: 2002-01-01

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