earticle

영어

Bacteria spreaded in the air was measured in the indoor space which a large number of people used, and installed the photocatalyst sterilization devices in the indoor space with the frequency of access of people and investigated the performance effects of it for a disease prevention. As the performance effect of this sterilizer result, following results were obtained from this experiment. After 30 minutes operation with the sterilizer, the general bacteria was showed the sterilization effect in more than 50% in all indoor space, and after 60 minutes, according to the average effectiveness of 74.3%. The fungi showed the sterilization effect in more than 50% in the washroom and heath-room after 30 minutes, and showed the sterilization effect in more than 50% in air environmental laboratory after 60 minutes and showed to perish perfectly in heath-room after 60 minutes. The enterobacteria only appeared within the washroom showed the sterilization effect in more than 68.7% after 60 minutes and showed to perish perfectly in after 90 minutes.