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Inactivation of Cryptosporidium Parvum Oocysts With Free Chlorine and Monochloramine in Single-Step and Sequential Disinfection Schemes 游离氯和一氯胺对微小隐孢子虫卵囊的一步和序贯消毒灭活
发布日期: 1999-01-01
本文的目的是评估在一步和连续消毒方案中,用游离氯和一氯胺灭活微小隐球菌卵囊所需的CT值。用于顺序消毒的主要消毒剂是臭氧。卵囊活力通过改良的体外脱囊法测定,证明与动物感染性数据一致。实验研究了臭氧、游离氯和一氯胺的一步消毒,以及臭氧/游离氯和臭氧/一氯胺的顺序灭活。使用半间歇反应器和分析组件进行了灭活和臭氧预处理实验。
The objective of this paper is the assessment of CT values required for the inactivation of C. parvum oocysts with free chlorine and monochloramine in single-step and sequential disinfection schemes. The primary disinfectant used for sequential disinfection is ozone. Oocyst viability was determined by a modified in-vitro excystation method demonstrated to be consistent with animal infectivity data. Experiments were performed to investigate single-step disinfection with ozone, free chlorine and monochloramine, and sequential inactivation with ozone/free chlorine and ozone/monochloramine. Inactivation and ozone pretreatment experiments were conducted with a semi-batch reactor and analytical components.
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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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