Under pressure to start disinfecting its wastewater, the Wilsonville Power Systems Development Facility (Wilsonville, AL) turned to Aquionics, a leader in UV disinfection technology, for help. Now the facility is in compliance with state regulations -- in four years of operation, contaminants have been kept within permit limits with minimal maintenance.
The Wilsonville Power Systems Development Facility (PSDF) is a research and development center that tests various processes, mainly coal-based technologies, before they are implemented at power supply facilities. In 2006, the growing plant employed 200 people and produced a wastewater flow of about 25 gpm. With its size expected to double in the near future, the facility was required by state and local regulators to start disinfecting its wastewater. Since the existing wastewater treatment facility in Wilsonville was too far away for the facility to connect, the PSDF decided to build its own wastewater treatment facility.
Finding the Right System
After evaluating competing products, Wilsonville PSDF decided that Aquionics’ OpenLine 30 UV disinfection system most closely met their specifications and budget requirements. The OpenLine open channel disinfection unit uses low-pressure, high-output UV lamps to destroy microorganisms’ reproductive abilities on a cellular level. The facility installed the OpenLine system in 2007 as the last item in the plant process, providing final treatment of the water before it is discharged into a local river.
The state-issued permit required that no single grab sample of water leaving the facility could have more than 200 fecal colonies per 100 ml. The OpenLine system has provided the necessary disinfection required to meet the site’s permit.
In addition, the system offers a compact footprint and requires virtually no maintenance. The OpenLine has operated for 21,000 hours since installation, meeting disinfection requirements without needing UV lamp replacement.
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