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KMID : 0383619860070000027
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Bulletin of Environmental Sciences
1986 Volume.7 No. 0 p.27 ~ p.30
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Adsorption of Cigarette Smoke on Diatomaceous Earth
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Ha Baik-Hoyn
Noh Kook-Jin
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Abstract
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The Wal-Sung diatomaceous earth in Korea was thermally treated at different temperatures and time intervals, and its index of adsorption capacity was measured using alcohol and aromatics by AAI and EAI method.
The optimum activating temperature and heating time revealed 1000℃ and the range of 2∼3 hours. The cavity filled with the activated diatomaceous earth reduced about 13.9% tar, 15.7% nicotine, 4.0% CO, and 11.5% NO₂comparing with cellulose acetate filter tip. The above results showed that diatomaceous earth may be used as a filter additive to reduce the tar and nicotine delivery.
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