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Comparison of Treatments Efficiency for Legionella Control in Domestic Water Systems 生活用水系统军团菌控制的处理效率比较
发布日期: 2003-11-02
人们普遍认为,军团菌灭活的实验室实验不足以解决这一问题 预测实际生活用水系统内的处理效果。事实上,可能有几个因素 在实际系统中损害杀生物剂的性能。这些因素可能包括鳞片沉积, 生物膜和原生动物的存在,以及死腿的存在。出于同样的原因,现场 治疗方案的评估不允许直接比较治疗效率, 因为这些因素在不同的地点会有所不同。这些原因导致CIRSEE开发了一个 生活供水模拟装置,允许对处理策略进行比较评估 在同等条件下。使用不同的杀生物剂对该试验进行了研究。这个 在军团菌控制方面,连续使用氯气可获得最佳效果 二氧化物 包括2个参考文献、图表。
It is well accepted that laboratory experimentation on Legionella inactivation is not sufficient for predicting treatment efficacy within actual domestic water systems. In fact, several factors may compromise biocide performance within actual systems. These factors may include scale deposits, presence of biofilms and protozoans, and existence of dead legs. For the same reasons, on-site evaluation of treatment programs does not allow for direct comparison of treatment efficiency, because these factors can vary from one site to the other. These reasons led the CIRSEE to develop a domestic water supply simulation unit, allowing for comparative evaluations of treatment strategies under equivalent conditions. Studies have been performed on this pilot with different biocides. The best results in terms of Legionella control were obtained with continuous application of chlorine dioxide. Includes 2 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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