微酸性电解水雾化除菌效果研究

Investigation on the bactericidal efficacy of atomized slightly acidic electrolyzed water

目的研究微酸性电解水雾化杀菌效果,为实际消毒应用提供科学依据。方法采用悬液定量杀菌试验和空气现场消毒试验方法,对微酸性电解水杀菌效果进行了观察。结果用含初始有效氯10 mg/L^30 mg/L的微酸性电解水作用5 min,对悬液内大肠埃希菌平均杀灭对数值为2.0~2.48。微酸性电解水经除菌雾化器雾化并作用120 min,对密闭空间空气中自然菌平均除菌率可达到90%以上。结论微酸性电解水具有一定杀菌能力,其雾化后对密闭环境空气中自然菌具有很好除菌效果。

Objective The bactericidal efficacy of atomized slightly acidic electrolyzed water（ SAEW） was investigated so as to provide a scientific foundation for future practical application.Methods The suspension quantitative bactericidal test and field trial of air disinfection test were carried out to determine the bactericidal efficacy.Results The result of suspension quantitative bactericidal test showed that the average killing log values of Escherichia coli in suspension exposed to atomized SAEW for 5 min were from 2.0 to 2.48,when the initial available chlorine concentration（ ACC） of SAEW was between 10 mg / L to 30 mg / L.In the field trial of air disinfection test,the bactericidal efficacy of atomized SAEW was significant after 120 min operation.The degradation rate of air bacteria was over 90% in airtight space.Conclusion In an airtight environment,the atomized SAEW has effective disinfection effect on air bacteria.