EFFECT OF PIPE MATERIAL, WATER QUALITY AND TIME ON CHLORINE DISSIPATION JORGE AREVALO, CHARLES CULLEN Faculty Advisors: J. S. Taylor, J. D. Dietz, L. A. Mulford College of Civil and Environmental Engineering University of Central Florida Roy Martinez Project Officer AwwaRF Denver, CO Chris Owen Project Coordinator...
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research.cecs.ucf.edu/drinkingwater/Presentations/Chlor...
research.cecs.ucf.edu/drinkingwater/Presentations/Chlorineposter.pdf
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The effect of water chemistry on the dissipation rate is clearly shown in Figures 1 and 2. Chlorine demand in single-source waters decreases with decreasing non-purgeable dissolved organic carbon (NPDOC; ground-water;
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www.timmons.com/news-and-events/Mutoti_AWWA_Journal_Art...
www.timmons.com/news-and-events/Mutoti_AWWA_Journal_Article_Oct_2007.pdf
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CHLORINE REACTS WITH ORGANIC PRECURSORS THAT ARE FOUND IN MANY SOURCE WATERS TO PRODUCE A POTENTIAL CARCINOGEN, SUCH AS CHLOROFORM (CHCL3). The presence of light, even in intensities of only a few percent of full mid-day sun, may effect significantly both the rate and mechanism of the dissipation of chlorine in seawater.
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www.speclab.com/elements/chlorine.htm
www.speclab.com/elements/chlorine.htm
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Adding an airstone or powerhead to create water movement speeds the dissipation of chlorine from the water. This is simple, cheap and very effective when dealing with chlorine. ... First, the effectiveness of the chlorine removal is highly dependant on the flow rate. Filters will commonly list the recommended flow.
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www.csd.net/~cgadd/aqua/art_chlorine.htm
www.csd.net/~cgadd/aqua/art_chlorine.htm
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S0409 Kay, Aaron C. Grade 10, Ventura County Chlorine Dissipation in Water: Does Temperature Affect the Rate at which Chlorine Dissipates from Water? Advisor: Mrs. Patricia Doring; School: Westlake High School, Westlake Village...
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www.usc.edu/CSSF/History/1995/S04.html
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This results in considerable loss of free chlorine form pools exposed to sunlight. Proper stabilization of chlorine with cyanuric acid slows the rate of chlorine dissipation without appreciably sacrificing oxidation and disinfection activity";
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www.car-guru.com/jeep-willys/31-094-re-134a-refrigerant...
www.car-guru.com/jeep-willys/31-094-re-134a-refrigerant-read.shtml%20
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The compound most commonly used for this is chlorine. Unfortunately, chlorine is quickly dissipated by the UV rays of the sun. This dissipation rate can be dramatically reduced through the process of stabilization, therefore, properly stabilized water requires less chlorine, which saves you money.
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www.sunshinepoolsandspas.com/water_chemistry.php
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You may find that the proportioner outlet may need to be set to a higher concentration to compensate for chlorine dissipation in the automated watering system. For example, a chlorine level of 5 ppm at the proportioner may be required to provide 2- to 3- ppm throughout the piping system.
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www.edstrom.com/DocLib/MI4174.pdf
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Based on data gathered by water utilities, the Department has revised the typical distance necessary for chlorine dissipation from 1 mile to 1000 feet or more. ... For larger streams (i.e. flow rate greater than 50 cfs), the Department believes that travel time and dilution within the storm sewer system, in addition to...
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www.deq.state.or.us/wq/pubs/bmps/chlorwaterdisp.pdf
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