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KMID : 0380619930250020174
Korean Journal of Food Science and Technology
1993 Volume.25 No. 2 p.174 ~ p.177
Sterilizing and Deodorizing Effect of UV - Ray Air Cleaner for Refrigerator
ÀÌÈ«¿ø/Lee, Hong Won
ÀÌ¿µÁø/±è°æ¸¸/ÀüÀç±Ù/ÀåÀÇ¿µ/Lee, Young Jin/Kim, Kyung Man/Chun, Jae Kun/Jang, Eu Yung
Abstract
Ultara violet ray air cleaner to use as the sterilization and deodorization device in refrigerator was designed and made of UV lamp and carbon block as the main components. The intensity of the lamp was 2.38 mW/cmz and reflector was installed to increase the radation. After running the device for 12 hours, 80% of the population of airborn bacteria was sterilized both at 48 and 480 liter refrigerator chambers. Ozone production caused by UV-ray reached 0.082 ppm at holding section within a few second when the device was operated at 25C and it showed 0.06 pm at 3C . Deodorization effect was 2.5 times greater than that of a device made of electrical arc principle at 25 C . New device 2 times more effectivly decreased trimethylamine and methyl mercaptan content applied as odor indicator substance in chamber at 3C than electrical arc type.
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