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KMID : 0613820010110030273
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Journal of Life Science
2001 Volume.11 No. 3 p.273 ~ p.278
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A Study on the Design of Denitrification Reactor and the Characteristics
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Kim Sun-Hwa
Song Ju-Yeong
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Abstract
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Removal of nitrogen compound from waste water is essential and often accomplished by biological process. Deni-trification bacterium. Paracoccus denitrificans(KCTC 2350) is employed to estimate the ability and the characteristics of denitrification. In the immobilized biological reactor system, the measurement of absolute amount of active strain in the reactor is comparatively difficult or impossible. In this study, strain immobilized denitrification reactor was designed with the unwoven texture wrapped peeped hole plastic tube to calculated the absolute amount of active strain by comparing the activity of the immobilized reactor adn the free cell reactor. The reactor system was continuous stirred tank reactor and the rate of substrate consumption was assumed to be Michaelis-Menten equation. As a result, we found that the amount of immobilized active strain was the half of the total active strain in the reactor and the time required to reach in the equilibrium state in the immobilized reactor system was shorter than that of the free cell reactor system.
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KEYWORD
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Paracoccus denitrificans, denitrification, reactor, Michaselis-Menten equation
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