United States' Largest Fluoride Treatment Plant Chooses Severn Trent Services to Supply Its Alumina Fluoride Adsorption Technology

FORT WASHINGTON, Pa., USA – Severn Trent Services, a leading global supplier of water and wastewater treatment solutions, was selected to provide its SORB 09™ fluoride removal system to the Andrews Fluoride & Arsenic Treatment Plant, located in Andrews, Texas. The new system will have a capacity to treat up to 5,000 gallons of water per minute, enabling the city to remove elevated levels of both fluoride and arsenic to below minimum drinking water standards of 2.0 ppm. The system will be commissioned in early 2015 by consulting engineer Jacob & Martin Ltd. Upon completion, the Andrews Fluoride & Arsenic Treatment Plant will be the largest fluoride treatment plant in the United States, doubling the capacity of the country's current largest fluoride treatment plant.

The SORB 09 fixed-bed adsorption technology removes fluoride from the water onto solid activated alumina. Treatment will be conducted with a downward flow through four adsorber vessels in parallel configuration for this unique treatment plant. The SORB 09 technology was chosen based on the performance of an on-site pilot test that demonstrated the system's robust technology, economics and capabilities over other tested technologies.

"We are grateful for the opportunity to work with the City of Andrews and Jacob & Martin on this premier installation to ensure quality water is provided to the city's residents," said John Dyson, Americas sales director for Severn Trent Services. "High levels of fluoride can cause major bone structure complications and lead to teeth discoloration. Our SORB 09 technology safely and effectively removes fluoride from drinking water to avoid these problems."

About Severn Trent Services

Severn Trent Services (www.severntrentservices.com) with global headquarters in Fort Washington, Pa., USA, is a leading supplier of water and wastewater solutions. The company's broad range of products and services is concentrated around disinfection, instrumentation and filtration technologies and contract operating services. Our operating services business provides contract management, operations support and systems improvements for utility, industrial and commercial water and wastewater customers in the United States, United Kingdom, Ireland and Italy. Severn Trent Services is a member of the Severn Trent Plc (London: SVT.L) group of companies. Severn Trent is a FTSE 100 company.

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