臭氧灭活水中f_2噬菌体的效果研究  

Efficiency of Ozone in Inactivation of f_2 Phage in Water

作　　者：马运明[1] 王华然[2] 王福玉[2] 李迎凯[2] 尹静[2] 

机构地区：[1]天津市疾病预防控制中心检务科,天津300011 [2]军事医学科学院卫生学环境医学研究所,天津300050

出　　处：《环境与健康杂志》2009年第12期1107-1108,共2页Journal of Environment and Health

基　　金：国家科技支撑计划资助项目(2006BAD01B05-03)

摘　　要：目的研究臭氧灭活水中f2噬菌体的效果。方法分别向不同pH值(6.5～8.5)、不同色度(0～30度)的臭氧水(通气5～30min)中加入f2噬菌体悬液原液(终浓度为104～105pfu/ml),作用5、15、30min后进行f2噬菌体计数,并计算灭活率。结果在相同的通气条件下,pH值对臭氧灭活f2噬菌体效果的影响并不明显;随着色度的提高,臭氧对f2噬菌体的灭活效果有所降低。结论高色度的水质条件不利于臭氧灭活水中f2噬菌体。Objective To observe the efficacy of ozone in the inactivation of f2 phage in water. Methods The concentration of ozone in water was measured by iodometry. During the experiment, the suspension of f2 phage was added in the ozonized water, at 5,15,30 min, the f2 phage inactivation rate was calculated. Results Under the same condition of ventilation,in the range of pH regulated in the drinking water sanitary standard,the effect of pH on the inactivation of f2 phage was not obvious, while the chromaticity of water could remarkably influence the inactivation of f2 phage. Conclusion The higher chromaticity of water can interfere the inactivation of f2 phage in water by ozone.

关 键 词：水净化 臭氧 F2噬菌体 

分 类 号：R123.6[医药卫生—环境卫生学]