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An earlier post on this blog suggested the ineffectiveness of “green,” nonchemical devices at controlling bacteria such as Legionella in cooling towers.  A recent study, however, conducted by the Special Pathogens Laboratory and the University of Pittsburgh, has demonstrated the bactericidal effectiveness of one “green,” nonchemical device when it successfully mitigated the growth of bacteria, including Legionella, in model cooling towers.  This device, a machine which “relies on an electrolytic process to improve cooling tower performance” reduced bacteria levels 100 times better than the control, and was more effective than other nonchemical devices (NCDs) previously tested.  Data provided by the study furthermore shows that this device, H-O-H Water Technology, may also meet industrial standards set for cooling towers.  Additional experiments are necessary to confirm these results.

Posted by jzacher">jzacher at 12:32 pm

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