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This poster paper presents a study by the City of Houston (COH) to change its chloraminesdosing procedure at the East Water Purification Plant (EWPP)to target a 5:1 chlorine-to-ammonia-nitrogen (Cl2:NH3-N) massratio in treated water entering the distribution system. COH recognized that switching to a 5:1 chlorine-to-ammoniaratio is a critical first step in minimizing the potential fornitrification to occur in the distribution system. The poster paper discusses the significance of the 5:1 chlorine-to-ammonia-nitrogen mass ratio, along with chemical cost savings. Includes 5 references, figures.

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Edition: Vol. - No. Published: 11/01/2009 Number of Pages: 1File Size: 1 file , 3.1 MB