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Sterilization of Clothes Infected by Bacteria Using Chlorine-Containing Disinfectant Coupled with Heat Effect

机译:使用含氯的消毒剂与热效应相结合的细菌感染的衣服灭菌

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Bacterial samples were prepared taking cloth strip as carriers infected by bacillus subtilis var. niger spores. Bacterial carriers were disinfected by spraying chlorine-containing disinfectant coupled with heat effect. Orthogonal experiments were carried out taking available chlorine concentration, spraying quantity of disinfectant, temperature and sterilizing time as influencing factors. The results showed that spraying quantity 0.12 g/cm~2 of disinfectant containing 5000 mg/L available chlorine, bacillus subtilis var. niger spores on the carrier with 1×10~6 cfu per sample could be killed completely (100%) in 60°C thermostat for 15 min. At the same time, contrastive experiments indicated that there were still 1100 cfu of residual bacteria on the carrier which had been sprayed disinfectant containing 5000 mg/L available chlorine and put into 25°C (room temperature) thermostat for 30 min. While no killing efficiency was observed when putting bacterial carrier into 60°C thermostat for 30 min, if taking standard hard water instead of disinfectant.
机译:作为被枯草芽孢杆菌的载体作为载体制备布氏样品。尼日尔孢子。通过喷洒含氯的消毒剂与热效应一起消毒细菌载体。进行正交实验,采用可用的氯浓度,喷洒消毒剂,温度和灭菌时间作为影响因素。结果表明,含有5000mg / L可用氯,枯草芽孢杆菌的喷雾量为0.12g / cm〜2。患有1×10〜6的载体上的尼日尔孢子每样品可以在60°C恒温器中完全(100%)杀死15分钟。与此同时,对比实验表明,载体上仍有1100cfu的残留细菌,其被喷洒含有5000mg / l可用氯的消毒剂,并将其浇入25℃(室温)恒温器30分钟。如果在服用标准的硬水而不是消毒剂,将细菌载体将细菌载体置于60°C的恒温器30分钟时,不会观察到杀伤效率。

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