The SORB 33® arsenic removal technology and Bayoxide® E33 arsenic removal media from Severn Trent Services have been selected for use at a 300 gallon per minute (gpm) water treatment facility for the Hilltown Township Water and Sewer Authority, which serves Hilltown Township, a suburb of Philadelphia in Bucks County, Pa. Total arsenic in the system's groundwater has been measured at 15 parts per billion (ppb) compared to the new EPA standard of 10 ppb. The Authority also has selected a pre-treatment system from Severn Trent Services to reduce iron and manganese. Installation of these systems will take place prior to EPA's January 2006 maximum contaminant level (MCL) compliance deadline. The contract is valued at $162,000.
Severn Trent Services developed the SORB 33 process to reduce arsenic contamination across a range of water treatment application sizes, and the technology has been commercially proven to effectively and economically meet the stringent new government MCL standard. Bayoxide E33 is a dry, robust, ferric oxide media designed with a high capacity for arsenic, providing long operating cycles and low operating costs. Compared to competitive technologies, Bayoxide E33 offers the lowest capital cost while providing ease of operation and maintenance. The media has been permitted for use by health and environmental agencies in 15 states, more than any other arsenic removal technology.
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