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首页> 外文期刊>Journal of water and health >Influence of container cleanliness, container disinfection with chlorine, and container handling on recontamination of water collected from a water kiosk in a Kenyan slum
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Influence of container cleanliness, container disinfection with chlorine, and container handling on recontamination of water collected from a water kiosk in a Kenyan slum

机译：容器清洁，容器消毒与氯气的影响，肯尼亚贫民窟水价亭收集水的再聚集

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摘要

The study assessed whether using clean containers that had been disinfected with chlorine at a water kiosk in the Kangemi slum in Nairobi reduced recontamination of treated water during drinking transport and storage. At the same time, the impacts of container handling and hygiene conditions at the household level on water quality changes during storage were evaluated. Data were collected during interviews with 135 households using either new, clean Maji Safi containers (MSCs) that had been disinfected with chlorine or normal uncleaned jerrycans (NJCs). Bacteriological water quality and free chlorine levels in both types of containers were measured after container filling at the kiosk and in the same containers after 24 h storage in households. The use of MSCs significantly reduced the risk of recontaminating the treated water. After water filling at the kiosk, none of the MSCs contained Escherichia coli bacteria, and 2.8% were contaminated after 24 h storage. In contrast, 6.2% of NJCs were contaminated after filling, and 15.2% after 24 h storage. Multivariate logistic regression indicated that the use of a clean water container and sufficient chlorine and the frequency of cleaning the container in the household mitigated recontamination. We suggest further investigation of water container designs that facilitate cleaning.
机译：该研究评估了在内罗毕的康米雪橇中用kangemi贫民窟的水亭用氯含有氯的清洁容器降低了经处理的运输和储存期间的处理水的再污染。同时，评估了容器处理和卫生条件对储存期间水质变化的户外水平的影响。在使用氯或正常未切割的Jerrycans（NJCS）消毒的新的，使用新的清洁Maji Safi集装箱（MSC）的新增户口的采访期间收集数据。在家庭储存的容器填充物和在家庭中24小时后，在亭子内填充和在同一容器中，测量两种类型容器中的细菌水质和自由氯水平。 MSC的使用显着降低了再抑制处理过的水的风险。在患有亭子性的水填充后，没有MSCs含有大肠杆菌细菌，24小时后污染2.8％污染。相比之下，在填充后6.2％的NJC污染，24小时贮存后15.2％。多变量逻辑回归表明，使用清洁的水容器和足够的氯和清洁容器中的频率，在家用缓解中。我们建议进一步调查有助于清洁的水容器设计。

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