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首页> 外文期刊>Journal of Environmental Engineering >Analytical Determination of the Baffle Factor for Disinfection Contact Systems Based on Hydraulic Analysis, Disinfection Kinetics, and Ct Tables
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Analytical Determination of the Baffle Factor for Disinfection Contact Systems Based on Hydraulic Analysis, Disinfection Kinetics, and Ct Tables

机译：基于水力分析，消毒动力学和Ct表的消毒接触系统挡板因子的分析确定

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The Surface Water Treatment Rule (SWTR) specifies the Ct (disinfectantconcentrationxtime) calculation as the means by which disinfection efficacy, and therefore compliance, is determined. Baffle factors are used to scale the theoretical residence time of the water in a vessel to obtain the amount of time used for the Ct calculation. The baffle factor formulation has been left to guidance and has been a topic of discussion. In this work, an extended baffle factor formulation is developed using disinfection contact system performance models that incorporate the methods imposed by and built into the SWTR. The performance models are based on chemical reactor analyses that have been validated extensively in the literature. A comparison made between the extended baffle factor formulation and methods that use hydraulic considerations alone shows that failing to account for the entire residence time distribution and disinfection kinetics can lead to significant errors. The result of this work is a baffle factor formulation that is compliant with the SWTR and is useful for troubleshooting utilities experiencing disinfection inadequacy or high levels of disinfection byproducts.
机译：地表水处理规则（SWTR）将Ct（消毒剂浓度x时间）计算指定为确定消毒功效和依从性的手段。折流系数用于标定水在容器中的理论停留时间，以获得用于Ct计算的时间量。挡板因素的制定已被指导，已经成为讨论的话题。在这项工作中，使用消毒接触系统性能模型开发了扩展的折流系数公式，该模型结合了SWTR所强加的方法和内置的方法。性能模型基于化学反应器分析，该分析已在文献中得到广泛验证。扩展的折流系数公式与仅使用水力因素的方法之间的比较表明，不考虑整个停留时间分布和消毒动力学会导致重大错误。这项工作的结果是符合SWTR的折流系数公式，可用于对遇到消毒不足或大量消毒副产物的公用事业进行故障排除。

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