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A comparison of field versus lab microbiological testing methods and results will be presented that indicate if proper Guidelines will be provided for field microbiological monitoring
that all chemicals are the same despite the harassment many customers give them
is being placed on water recovery and reuse to help sustain our planet’s water supplies
The precise and continuous monitoring of chlorine residual at low levels is essential to the efficient operation of cooling towers
the chemistry of the cooling water does not support the growth of Legionella pneumophila
87-15: The Growth and Control of Nitrifying Bacteria in a Urea Plant Cooling Drift A comparison of field versusA urea plant cooling water system experienced problems with the growth of nitrifying bacteria which produced nitric acid from ammonia resulting in a sharp drop in the pH of the cooling water was found to drop from 7. 5 to 6. 1 over a period of 34 days. It was demonstrated in the laboratory that bacteria possessing the enzyme urease were present in the cooling water. A number of biocides were screened for their ability to inhibit growth of ammonia
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