Skip to main content

Challenges and Innovative Solutions for an Ultraviolet Disinfection System Upgrade at the Goldsboro Water Reclamation Facility, North Carolina

Buy Article:

$17.50 plus tax (Refund Policy)

Or sign up for a free trial


In 1999, the City of Goldsboro was faced with an expansion of their 10.8 million gallon per day (MGD) Water Reclamation Facility (WRF) to 14.2 MGD. There were several hydraulic and process challenges during design, but one notable challenge was the conversion from chlorine disinfection to an ultraviolet (UV) disinfection facility. The existing disinfection capabilities consisted of gas chlorine disinfection and with gaseous sulfur dioxide for dechlorination. During the conceptual design phase, the City relayed their concerns with gas chlorination relative to the hazardous gasses present on the plant site and in full view of the public, the OSHA requirements for extensive emergency response plans, and the changes in the building code requirements for hazardous gas storage since the last plant expansion. During conceptual design, several disinfection alternates were evaluated. Ultraviolet disinfection was chosen as the primary disinfection system.

This purpose of this paper is to highlight the challenges of the upgrade to an UV disinfection system with the concurrent decommission of the gas chlorination and dechlorination facility. Challenges included the navigation of the different available UV disinfection technologies relative to the bidding laws in North Carolina; the selection of an UV disinfection system to optimize operating costs; the evaluation of disinfection methods for alternate water streams, such as off-site reclaimed water use, tertiary filter algae control, and constructed wetlands polishing; and hydraulic considerations and equipment redundancy.

The UV low pressure-high intensity disinfection system has been successfully placed in operation at the Goldsboro WRF. Ultimately, the success of the conversion from an existing gas chlorination system to a UV disinfection system depended on meshing the critical design and bidding details with respect to the City of Goldsboro's goal for total water management solutions.

Document Type: Research Article


Publication date: 2003-01-01

More about this publication?
  • 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.

    A subscription to the Proceedings of the Water Environment Federation includes access to most papers presented at the annual WEF Technical Exhibition and Conference (WEFTEC) and other conferences held since 2000. Subscription access begins 12 months after the event and is valid for 12 months from month of purchase. A subscription to the Proceedings of the Water Environment Federation is included in Water Environment Federation (WEF) membership.

    WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access. Access begins 12 months after the conference or event
  • Subscribe to this Title
  • Membership Information
  • About WEF Proceedings
  • WEFTEC Conference Information
  • Learn about the many other WEF member benefits and join today
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more