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Journal AWWA - Cryptosporidium and Microsphere Removal During Late In-Cycle Filtration AWWA期刊-周期后期过滤过程中隐孢子虫和微球的去除
发布日期: 2003-05-01
公用事业管理人员正在寻找评估病原体的策略 使用更易于使用和维护的工具进行过滤去除 比监测微小隐孢子虫更具成本效益 我们会直接找到这篇感兴趣的文章。本文讨论了如何 卵囊大小的微球更容易、更安全、成本更低 与微小隐孢子虫相比,它是一种可靠的治疗方法 用于评估通过过滤去除微小隐球菌的工具。它也显示了 过滤器去除微小隐球菌的能力是不一样的 在过滤器循环的所有阶段。即使过滤器符合要求 随着饮用水法规的出台,其C.parvum的去除 在过滤器循环接近尾声时,容量可能会大大降低 与周期的早期部分相比。 这项工作还强调,必须对流程进行评估 考虑所有的操作周期,而不仅仅是优化操作。 进一步的 这表明水可能存在真正的差异 即使混浊度差异很小,质量也很高。包括16个参考文献、表格、图表。
Utility managers looking for strategies to assess pathogen removal by filtration with tools that are easier to use and more cost-effective than monitoring Cryptosporidium parvum directly will find this article of interest. The article discusses how oocyst-sized microspheres are easier, safer, and less expensive to work with than Cryptosporidium parvum and are also a reliable tool for assessing C. parvum removal by filtration. It also shows that the ability of filters to remove C. parvum is not the same during all phases of the filter cycle. Even when a filter is in compliance with drinking water regulations, its C. parvum removal capacity can be substantially worse near the end of a filter cycle compared with the earlier portions of the cycle. This work also emphasizes that process evaluations must consider all operating periods, not just optimized operation. Further, it suggests that there can be a real difference in water quality even when differences in turbidity are very small. Includes 16 references, table, 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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