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Journal AWWA - Using Spore Removal to Monitor Plant Performance for Cryptosporidium Removal AWWA期刊-利用孢子去除监测植物去除隐孢子虫的性能
发布日期: 2007-03-01
监测自然产生的好氧气体的去除 孢子可以作为隐孢子虫的替代物 饮用水处理中的去除。然而 因为隐孢子虫卵囊被移除的次数更多 在涉及澄清的处理过程中,比孢子更有效 以及过滤、孢子去除监测 对隐孢子虫可能性的保守估计 在全面处理过程中去除。 例如,证明孢子清除的设施 4个或更多日志可能会实现更高的 隐孢子虫清除。作者认为 此类贷款应获得高于3分的1.5分信用 长期2增强表面允许的学分 水处理规则,总共4.5学分。这 将允许水供应商使用该演示 而不是仅仅依靠 世界上更昂贵、技术密集的替代品 微生物工具箱。此外,孢子监测 为实用程序提供了一个用于评估和 优化他们的手术,整个治疗过程 工艺(通过过滤生的)以及个人 单元过程。包括24个参考文献、表格和图表。
Monitoring removal of naturally occurring aerobic spores can serve as a surrogate for Cryptosporidium removal in drinking water treatment. However, because Cryptosporidium oocysts are removed more efficiently than spores during treatment involving clarification and filtration, spore removal monitoring provides a conservative estimate of the potential for Cryptosporidium removal in full-scale treatment processes. For example, facilities demonstrating spore removals of 4 logs or greater likely are achieving much greater Cryptosporidium removals. The authors argue that such facilities should be given a 1.5 credit above the 3 credits allowed by the Long Term 2 Enhanced Surface Water Treatment Rule, for a total of 4.5 credits. This would allow water providers to use the demonstration of performance credit rather than relying solely on the more expensive, technology-intensive alternatives in the Microbial Toolbox. Furthermore, spore monitoring offers utilities a supplemental tool for evaluating and optimizing their operations, the entire treatment process (raw through filtration) as well as individual unit processes. Includes 24 references, tables, 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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