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Validation of Full-scale Ozone Contactor Performance Using Biodosimetry 利用生物剂量学验证全尺寸臭氧接触器的性能
发布日期: 2006-11-01
本文描述的工作是为了验证臭氧的CT值 DesBaillets(1136 MLD)水处理厂(加拿大魁北克省蒙特利尔)通过 生物剂量学技术。本土需氧孢子形成菌(ASF)被用作 监测消毒效果。 在6周的时间内,现场完成了四次生物剂量学分析。方法 开发涉及参考生物剂量学曲线的实施,然后 全面验证。 使用臭氧试验装置(18)生成参考生物剂量学曲线 Lpm)。使用高容量的测量仪获得了ASF失活的精确测量值 过滤技术(10升)。 第二天,进行了全面的臭氧实验。这些分析也是如此 启用了调节CT10和CTIDDF值的计算。 有效CT 根据先导接触器上绘制的参考曲线计算。计算机断层扫描 然后比较数值以评估模型的准确性并验证其有效性 预言。包括20个参考文献、图表。
The work described in this paper has been undertaken to validate the CT values of the ozone contactors of the DesBaillets (1136 MLD) water treatment plant (Montreal, Quebec, Canada) by means of a biodosimetric technique. Indigenous aerobic spore formers (ASF) were used as surrogates for monitoring disinfection efficacy. Four biodosimetric assays were completed on-site over a 6-week period. The approach developed involved the implementation of reference biodosimetric curves followed by the full-scale validations. Reference biodosimetric curves were generated using an ozone pilot apparatus (18 Lpm). A precise measurement of ASF inactivation was obtained using a high-volume filtration technique (10 L). The following day, full-scale ozone experiments were performed. Those assays also enabled the calculation of the regulatory CT10 and the CTIDDF values. The effective CT was calculated based on the reference curve developed on the pilot contactor. CT values were then compared to evaluate the accuracy of the models and validate their predictions. Includes 20 references, figures.
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发布单位或类别: 美国-美国给水工程协会
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