State University of New York Institute of Technology
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Light Treatment for Bacteria Disinfection

The Town of Erie, Colorado has decided to use low impact amalgam lamps instead of UV lamps to disinfect bacteria in water.  The old UV lamp could only clean 0.6 million gallons per day, and the new amalgam lamps are rated for 1.6 million gallons per day.  The amalgam lamps have small-footprint and are much more efficient.  The old lamps could only last 7600 hours and required a lot maintenance and produced a lot of heat.  The new lamps are much more efficient using less power, producing minimal heat, and are not affected by surges, power outages, or sags.  The amalgam lamps are rated to run for 12,000 hours but are replace every 9000 hours due to state regulations.

 

http://www.wwdmag.com/Shining-Light-on-Bacteria-Disinfection-article11232


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