Published: CABEQ 19 (2) (2005) 147–152
Paper type: Original Scientific Paper

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Gas Distribution in Packed-Bed Columns with IMTP-Ring and Ralu-flow

S. Darakchiev, T. Petrova and R. Darakchiev

This work continues a series of investigations on the gas distribution ability of various types of random packings for packed-bed columns. Four varieties of metal packings IMTP-Ring with size 25, 40, 50 and 70 mm, and two sizes of plastic Ralu–Flow No. 1 and 2, are studied. The study is carried out with a test column 0.47 m in diameter. Velocity profiles are measured with thermoanemometer over the column cross-section at various packing heights, and the maldistribution factor is determined. The uniformity limit and penetration depth is obtained for all investigated packings as indicators for its distribution ability.

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Packed-bed columns, gas distribution, maldistribution factor, uniformity limit, penetration depth