CAO Wen-feng,HUANG Tian-yin,SUN Wen-jun,et al.Application of Ultraviolet Disinfection Technology in Secondary Water Supply[J].China Water & Wastewater,2021,37(3):60-64.
紫外线消毒技术在二次供水中的应用研究
- Title:
- Application of Ultraviolet Disinfection Technology in Secondary Water Supply
- 摘要:
- 介绍了紫外线消毒技术在二次供水中的应用情况，并进行了二次供水紫外线消毒实验。结果表明：①紫外线消毒会使二次供水中的余氯略有降低，但是仍满足我国《生活饮用水卫生标准》（GB 5749—2006）的限值要求；②紫外线消毒在80 mJ/cm2辐射剂量内仅小幅改变水中部分有机物的官能团；③紫外线消毒对二次供水中消毒副产物（DBPs）的浓度和生成几乎没有影响。
- Abstract:
- Application of ultraviolet disinfection technology in secondary water supply was introduced, and an ultraviolet disinfection experiment for secondary water supply was conducted. The results showed that，ultraviolet disinfection slightly reduced the residual chlorine in the secondary water supply, but the residual chlorine content still met the limit requirements of Standards for Drinking Water Quality (GB 5749-2006). When the ultraviolet radiation dose was within 80 mJ/cm2, the functional groups of some organic compounds in the water only slightly changed. Ultraviolet disinfection had almost no effect on concentration and formation of disinfection by-products (DBPs) in the secondary water supply system.
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