Case Study

Conversion From Gas To Liquid Disinfection Yields Significant Improved Water Quality And Cost Savings

Source: De Nora
Severn Trent Services, Inc.: Water and Wastewater Treatment Solutions

In 2006, the Greenwood, South Carolina Commissioners of Public Works became only the fourth U.S. water utility ever to receive Phase IV “Excellence in Water Treatment” recognition from the Partnership for Safe Water. Phase IV is the highest possible level of performance that can be achieved in the Partnership program and signifies optimized plant performance.

That same year, the utility demonstrated its commitment to water quality by approving installation of a new water disinfection system at its W.R. Wise Water Treatment Plant. The system noticeably improved water quality, dramatically reduced Total Trihalomethanes and Haloacetic Acids levels, improved Chloramine levels in the distribution system and produced operational cost savings, among other benefits. An on-site sodium hypochlorite generation system, known for its inherent safety when compared to the use of gaseous chlorine disinfection, was a key component of the new system.

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