The invention relates to the field of
ecological environment, in particular to a method for characterizing the influence of PPCPs on the
toxicity of an
activated sludge system by using a viable and dead
bacteria staining method, which comprises the following steps of: improving an SYTO 9 dye and PI dye
cell staining method, namely quantitatively detecting the
fluorescence intensity corresponding to dead
bacteria and viable
bacteria by using a three-dimensional
fluorescence spectrophotometer; a quantitative detection technology of
flora activity is established, and a set of method capable of rapidly and accurately quantifying the ratio of dead bacteria to viable bacteria in a sample is constructed; according to the invention, degradation conditions of PPCPs and organic matters in water with different concentrations and different PPCPs under the same operation condition and a change rule of water
toxicity are explored, the influence of PPCPs on the
toxicity of an
activated sludge system is represented by using a viable bacteria and dead bacteria
staining method, and the influence degree of PPCPs on a
sewage treatment system can be rapidly analyzed through relative
fluorescence intensity. Therefore, a rapid and effective detection method is provided for monitoring the influence of the PPCPs in the inlet water of the
sewage plant on the treatment process of the water
plant, and the method has a wide application prospect.