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Survival of Poliovirus in Flowing Turbid Seawater Treated with Ultraviolet Light

机译:紫外线处理后的流动混浊海水中脊髓灰质炎病毒的存活

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摘要

The effectiveness of a model ultraviolet (UV) radiation unit for treating flowing turbid seawater contaminated with poliovirus was determined. At a turbidity of 70 ppm, the observed survival ratios ranged from 1.9 × 10-3 (99.81% reduction) to 1.5 × 10-4 (99.98% reduction) at flow rates ranging from 25 to 15 liters/min; no virus was recovered at flow rates of 10 and 5 liters/min. At a turbidity of 240 ppm, the observed survival ratios ranged from 3.2 × 10-2 (96.80% reduction) to 2.1 × 10-4 (99.98% reduction) at flow rates ranging from 25 to 5 liters/min. As expected, turbidity had an adverse influence on the effectiveness of UV radiation; however, by adjusting the flow rate of the seawater through the treatment unit, adequate disinfection was shown to be predictable.
机译:确定了模型紫外线(UV)辐射装置治疗被脊髓灰质炎病毒污染的流动浑浊海水的有效性。在浊度为70 ppm时,在流动时观察到的存活率范围为1.9×10 -3 (降低99.81%)至1.5×10 -4 (降低99.98%)速率从25到15升/分钟不等;没有病毒以10和5升/分钟的流速被回收。在浊度为240 ppm时,在流动时观察到的存活率范围为3.2×10 -2 (降低96.80%)至2.1×10 -4 (降低99.98%)速度从25到5升/分钟不等。不出所料,浊度对紫外线辐射的效果有不利影响;但是,通过调节通过处理单元的海水流量,可以预见适当的消毒是可以预见的。

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