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现行 AWWA QTC98323
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Inactivation Kinetics of Cryptosporidium parvum Oocysts With Chlorine Dioxide 二氧化氯灭活微小隐孢子虫卵囊的动力学
发布日期: 1998-01-01
本研究的目的是确定二氧化氯对微小隐孢子虫(C.parvum)卵囊的灭活动力学,作为pH值的函数。另一个目标是整合文献中关于各种反应器和水质的所有可用数据。实验使用2.33升琥珀色玻璃瓶作为间歇反应器进行。随后描述的测试溶液的温度在循环水浴中保持恒定在20℃。使用聚四氟乙烯涂层搅拌棒和磁性搅拌板连续搅拌试验溶液。在蠕动泵的帮助下,样品体积通过管道从反应器瓶转移到真空过滤装置。 通过真空过滤,在47 mm多孔聚碳酸酯轨道蚀刻1-um孔径过滤器上收集样品。其他主题包括:二氧化氯的产生;卵囊制备;消毒程序;灭活评估;CT计算。
The objective of this study was to determine the inactivation kinetics of Cryptosporidium parvum (C. parvum) oocysts with chlorine dioxide as a function of pH. An additional goal was to consolidate all the data available in the literature for various types of reactors and water quality. Experiments were performed using 2.33-L amber glass bottles as batch reactors. The temperature of testing solutions described subsequently was maintained constant at 20 degrees C with a circulating water bath. Testing solutions were continuously stirred with the use of teflon coated stir bars and magnetic stir plates. Sample volumes were transferred from the reactor bottles to the vacuum filter apparatus through tubing with the aid of a peristaltic pump. The samples were collected, via vacuum filtration, on 47 mm Poretics Polucarbonate Track-Etched 1-um pore diameter filters. Other topics covered include: chlorine dioxide generation; oocyst preparation; disinfection procedures; inactivation assessment; and, CT calculation.
分类信息
发布单位或类别: 美国-美国给水工程协会
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