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Auburn University

Auburn University

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Auburn Water Purification Tech Gets EPA RegistrationJune 29, 2009A water-purification technology developed at Auburn University has been granted United States Environmental Protection Agency registration.

This technology, when used in appropriately designed drinking water devices, could save lives in remote areas or during natural disasters.

ProductsLiquid Hypochlorite Injection SystemFeature Extends Cartridge Life on PURELAB Water Purification SystemWater Analysis System Runs UnattendedWater Tester Utilizes Web-Based Graphical Interface to Pinpoint ProblemsNewsArctic Ocean Mercury Contamination Dramatically Higher Than ThoughtArtificial Sweeteners May Contaminate Drinking WaterScientists Announce Top 10 New SpeciesFood and Water Supplies ThreatenedProfessor Dave Worley, of the Department of Chemistry and Biochemistry in the College of Sciences and Mathematics, developed the technology that Seattle-based HaloSource Inc.

is commercializing as "HaloPure Br." The company, which pays royalties to Auburn through a technology transfer agreement, markets the technology in a disinfecting cartridge to drinking water device manufacturers around the world."The EPA registration not only will benefit U.S.

citizens, but also will help provide safe, clean drinking water to consumers in many other countries," says Worley.

"Once the U.S.

EPA grants registration to a new technology, many other countries will adopt the view that it is safe and proven."HaloSource, established in 1998 on the potential of Worley's discoveries, has already reached regulatory approval in India, China and Brazil, where the technology has been marketed since 2007."This technology has the potential for saving lives when there are no inexpensive means available for disinfecting drinking water," says Jeff Williams, HaloSource senior vice president and chief technology officer.

"Devices using this technology do not require piped water or electricity as HaloPure kills bacteria and viruses on contact."Potential end users include municipalities, the Federal Emergency Management Agency (FEMA), Homeland Security and the military, as well as hikers, backpackers and campers, he added.Worley, an Auburn faculty member for 35 years, received 30 patents in the course of discovering the disinfection process that works by binding bromine atoms to the surface of polystyrene beads."The technology involves attaching biocidal bromine onto porous beads for use in inexpensive disinfecting cartridges that can be incorporated into water purification and filtration devices," he says.

"Bacteria and viruses are killed on contact at the point-of-use.

Chlorine also can be used, but bromine is more effective at killing germs."To activate the cartridges, brominated water is passed through them to anchor the bromine atoms to the beads.

When untreated water contaminated with bacteria, mold or virus cells passes through the HaloPure cartridge, the cells pick up the bromine atoms which sink into the cells and kill them.

The cartridges also can be engineered to ensure the safety of stored water, as well as for control of biofilm and slime formation downstream of the cartridge.More information about HaloSource is available at its Web site, Auburn University Viewing 0 User Comments Type Your Comment...

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