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首页> 外文期刊>Journal of Environmental Science and Health. A, Toxic/Hazardous Substances & Environmental Engineering >Removal and Inactivation of Cryptosporidium and Microbial Indicators by a Quaternary Ammonium Chloride (QAC)-Treated Zeolite in Pilot Filters
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Removal and Inactivation of Cryptosporidium and Microbial Indicators by a Quaternary Ammonium Chloride (QAC)-Treated Zeolite in Pilot Filters

机译：先导过滤器中季铵氯化物（QAC）处理的沸石对隐孢子虫和微生物指示剂的去除和灭活

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摘要

A set of pilot filters packed with Zeolite filter media treated with a quaternary ammonium chloride (QAC) were evaluated to verify the proof of concept of their combined antimicrobial capabilities. Escherichia coli was removed and inactivated the most (2.83 log), followed by MS-2 (2.75 log), Klebsiella terriena (2.21 log), PRD-1 (1.95 log), Chlorella vulgaris (1.92 log), and Cryptosporidium parvum oocysts (1.78 log). Especially, inactivation of C. parvum oocysts (1.19 log) was higher than physical removal (0.54 log). The data suggest that QAC-treated Zeolite in the pilot filters has microbial inactivation capabilities and may have useful applications in other types of filter media.
机译：对一组先导过滤器进行了填充，这些过滤器装有经过季铵氯化物（QAC）处理的沸石过滤介质，以验证其组合抗菌能力的概念证明。去除大肠杆菌并使其失活最多（2.83 log），其次是MS-2（2.75 log），terleena terriena（2.21 log），PRD-1（1.95 log），寻常小球藻（1.92 log）和隐孢子虫卵囊（ 1.78日志）。特别是，小球藻卵囊的失活（1.19 log）高于物理去除（0.54 log）。数据表明，先导过滤器中经过QAC处理的沸石具有微生物灭活能力，并且可能在其他类型的过滤器介质中具有有用的应用。

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