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KMID : 0380619930250030210
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Korean Journal of Food Science and Technology
1993 Volume.25 No. 3 p.210 ~ p.213
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The Dynamic Characteristics of a Two Phase Fluidized Beds
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Abstract
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The purpose of this research was to investigate tluidization characteristics of three solid particles, correlations between voidage and superficial velocity. The inside diameter of a column did not affect the fraction void-superficial velocity relationship for fluidization systems which was obtained as follows:
U/U_t =ε^(3.703) - Sea Sand
U/U_t =ε^(3.5665) - Ion Exchange
U/U_t =ε^(4.066) - GAC
And the sphericial type media is good for fluidized systems as it maintains low voidage. Actually, if biofilm attached to media (bioparticle), the density became lower in fluidized bed biofilm reactor. Therefore, as the density of media become higher, it is easy to maintain fluidized beds.
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