摘要
试验表明,功能水中加有06%过氧化氢的负离子发生器,在常温常湿下作用90min,可将室内空气中金黄色葡萄球菌等细菌繁殖体减少9999%以上,明显大于仅以负离子作用者。其效果可受过氧化氢浓度、室温与相对湿度影响。消毒时,对人无刺激性。产生的臭氧和氮氧化合物,低于国家允许标准。
he negative ion generator produces negative ions by impulsion of water In the experiment, hydrogen peroxide was added to the functional water in the generator and the efficacy in disinfection of indoor air was observedThe results indicated that after exposure to negative ions ( at a concentration of 5000~32000/cm3 ) for 90 min at ordinary temperature and humidity, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa and spores of Bacillus subtilis var niger artificially contaminating the indoor air decreased by 91270%, 90890%, 89980% and 87837% respectively When the functional water contained 06% hydrogen peroxide, operation of the generator for 90 min caused decrease in above bacteria by 99994%, 99996%, 99996% and 94232% respectively In a room with normal activity of people, operation of the generator for 90 min as above could cause decrease in natural bacteria in air by 85%~94% In the range of various conditions tested, the disinfection efficacy increased with increasing concentration of hydrogen peroxide in functional water and increasing room temperature The disinfection efficacy was good at relative humidity of 40%~60% After operation of the generator for 60 min, the concentration of oxides of nitrogen in air of a room (73 m3) was 0033 mg/m3and ozone concentration was 0013 mg/m3 Rabbit eye test indicated that 10% hydrogen peroxide solution was non-irritative
出处
《中国消毒学杂志》
CAS
1998年第2期81-86,共6页
Chinese Journal of Disinfection