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Chemcial Industry and Engineering 2008, Vol. 25 Issue (5) :377-381    DOI:
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Expansion Character and Liquid Axial Dispersion in Expanded Bed with Particles of Macro-Porous Resin
WANG Bang-chen,LIU Ming-yan(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China)
(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China

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Abstract Using AB-8 resin as solid phase,the expansion character and liquid mixing performance in the expanded bed were studied.The expansion character of AB-8 resin in a 50 mm column was found to obey the Richardson-Zaki equation.At a fixed expand ratio,the axial voidage of the bed increased with the increase of bed height,with heterohomogeneous distribution.At a fixed bed height,the liquid axial dispersion coefficient increased with the increase of liquid superficial velocity.Liquid axial dispersion coefficient is 0.5×10~(-5)—(5×10~(-5) m~2/s.)
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Received 2008-09-15; published 2008-09-15
Cite this article:   
WANG Bang-chen,LIU Ming-yan.Expansion Character and Liquid Axial Dispersion in Expanded Bed with Particles of Macro-Porous Resin[J]  Chemcial Industry and Engineering, 2008,V25(5): 377-381
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