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1、Escherichia coli (E.coli) was used as a model microorganism to evaluate the disinfection efficiency of ozone under micro-bubble ozonation and macro-bubble ozonation.Disinfection of E.coli with ozone in the presence of ac
2、id red 3R and kaolin were investigated.A comprehensively research was investigated on various ozone dose on inactivating continuous flow reactor and contact times, whose concentration was 5mg/L and 100 mg/L of kaolin whi
3、ch was added with activated carbon(AC) of 100 mg/L as a catalyst were used as suspended solids.Moreover, inactivation of E.coli in microbubble ozonation which contained acid red 3R and kaolin depicted that inactivation e
4、fficiency was low.The results of this study showed that microbubble ozonation method is better than macro-bubble for disinfection ofE.coli in the drinking water treatment.In additional,decay of dissolved ozone concentrat
5、ion under micro-bubble ozonation in the presence of acid red 3R and kaolin is faster hence contributes to lower exposure of E.coli cells to the disinfectant and this contributes to high log cell concentration of E.coli.N
6、a2CO3 concentration was 1.5g/L and CH3COONa was 1.16g/L, respectively.Solution buffered with phosphate at pH 10.09 and pH 7.57.The results showed that dissolved ozone concentration was being inhibited by the free radical
7、s and ozone molecular was not responsible for inactivation of E.coli.H2O2, which is regarded as initiator was also investigated on its influence for disinfection of E.coli when combined with ozone under microbubble ozona
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