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未经净化污水的排放引起水、食物型流行或爆发已有很多记述〔１－３〕，在污水处理过程中产生的微生物气溶胶可对周围空气造成污染虽然研究不多，但在国内外新近亦已引起重视〔４－５〕，上海医科大学郁庆福等曾对曝气池、滴滤池和氧化塘三种常用的污水生物处理厂周围空气气溶
There are many descriptions about the epidemics and outbreaks of unprocessed sewage [1-3]. The microbial aerosols generated in sewage treatment can pollute the surrounding air. Although there is not much research done, Has also attracted attention 〔4-5〕, Shanghai Medical University, Yu Qingfu once on the aeration tank, trickling filter and oxidation pond three kinds of commonly used biological wastewater treatment plant aerosol