Effect of Ozone on Bacteria Removal in Air
 
Time Interval (hr)
Total Bacteria Count @37°C for 48hours,Results, Cfu/ft2
0
   18
0.5th
   2
1st
   2
2nd
   <1
3rd
   <1
After 24 hours
   <1

The Ozone Air Sterilizer was placed in the middle of a room measured at approximately 300ft2. Cultured aerobic bacteria was sprayed in the room and initial microbial quality of the air inside the room was measured.

Based on the above results obtained, the Ozone Air Sterilizer (Model : AS503) was found to be effectively removed the bacteria count up to 89% after turning on for 0.5 hour. The effectiveness reached 99% after turned on continuously for 2 hours.