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KMID : 1156220040300030221
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Journal of Environmental Health Sciences
2004 Volume.30 No. 3 p.221 ~ p.229
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Efficiency of Removal for PM10 and NO₂ by Air Cleaner in Residential Indoor Environment with Monte-Carlo Simulation
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Lee Cheol-Min
Kim Jong-Cheol
Kim Yoon-Shin
Lee Tae-Hyung
Kim Jung-Ho
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Abstract
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We estimated decreasing rate of indoor air pollutants which are PM10 and NO₂ by the air cleaner in indoor environment. This study respectively examined concentration of PM10 and NO₂ two times in 34 sites located in Seoul and Kyung-gi Do from April to September in 2003. Sectional period was respectively divided for operating the air cleaner and non-operating the air cleaner. Moreover, questionnaire was executed to grasp physical characteristic of objective building and residential characteristic of residents by using method of self-entry. There was a trend that concentration of PM10 and NO₂ separated number of residents during operating period respectively decreased among indoor air. According to the existence of smoker in indoor, both concentration of PM10 and NO₂ during operating period decreased in each case, and according to existence of pets, both cases decreased concentration of pollutants by operating the air cleaner. We used Monte-Calro simulation to remove uncertainty and identify efficiency of eliminated pollutants such as PM10 and NO₂ by the air cleaner. Average efficiency of removal for PM10 and NO₂ were 61.84±23.04% and 48.67±18.03% respectively.
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KEYWORD
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PM10, NO₂, Air cleaner, Real residential environment, Monte-Carlo simulation
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