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KMID : 0380619930250020171
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Korean Journal of Food Science and Technology
1993 Volume.25 No. 2 p.171 ~ p.173
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Design of UV - ray Air Cleaner for Refrigerator and Its Sterilizing Effect
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이홍원/Lee, Hong Won
이영진/김경만/전재근/장의영/Lee, Young Jin/Kim, Kyung Man/Chun, Jae Kun/Jang, Eu Yung
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Abstract
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UV-ray air cleaner consisted of 6 watt UV lamp and fan was developed to sanitize air of refrigerator. Light intensity of the lamp showed 5 times of D value of Bacillus subtilis and air velocity around the lamp in holding section was 0.7 m/s, giving 0.33s of the resident time. The performance of air cleaner was tested with bacterial contaminator sprayed with suspension of Bacillus subtilis and hey powder. The device effectively decreased 80% of the population of airborn spore after 100 min operation at room temperature.
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