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目的:通过对北京农村地区使用二氧化氯消毒的水厂进行调查,了解二氧化氯消毒技术在北京农村水厂的应用状况。方法:收集水厂基本资料,测定水厂相关水质指标和水厂所使用二氧化氯发生器的相关性能指标。结果:北京农村地区二氧化氯发生器正常运行率较低;出厂水和末梢水中的二氧化氯浓度达到《生活饮用水卫生标准》(GB5749-2006)要求的水厂仅占被调查水厂总数的9%;高纯二氧化氯发生器二氧化氯转化率高于复合二氧化氯发生器。结论:加强农村地区饮水消毒知识教育和饮水卫生监督管理,优先选用高纯二氧化氯发生器,保障饮用水安全。
OBJECTIVE: To investigate the application status of chlorine dioxide disinfection technology in Beijing rural waterworks by investigating the use of chlorine dioxide disinfection in rural areas of Beijing. Methods: Collect the basic information of waterworks, determine the relevant water quality indicators of waterworks and the relevant performance indicators of chlorine dioxide generators used in waterworks. Results: The normal operation rate of chlorine dioxide generator in rural areas of Beijing was relatively low. The concentration of chlorine dioxide in the factory water and the peripheral water reached the standard of “Sanitary Standard for Drinking Water” (GB5749-2006) Of the 9%; high purity chlorine dioxide generator chlorine dioxide conversion rate higher than the compound chlorine dioxide generator. Conclusion: To strengthen knowledge of drinking water disinfection in rural areas and drinking water health supervision and management, giving priority to the use of high-purity chlorine dioxide generator to protect the safety of drinking water.