Seamless Mass Transfer Correlations for Packed Beds Bridging Random and Structured Packings

作者: Faïçal Larachi , Stéphane Lévesque , Bernard P. A. Grandjean

DOI: 10.1021/IE070718O

关键词: Kernel (statistics)Mass transfer coefficientMass transferChromatographyPacked bedTheoretical plateMechanicsAbsorption (electromagnetic radiation)DistillationBridging (networking)Materials science

摘要: A unifying correlative approach for the gas−liquid mass transfer in both structured- and random-packing containing towers was developed based on a two-correlation kernel. Two databanks consisting of 861 experiments structured packings 4291 random were merged concerned volumetric local overall gas- liquid-side coefficients kGaw, kLaw, KGaw, KLaw, effective interfacial area, aw, height equivalent to theoretical plate, HETP. The three-phase systems representative absorption, desorption distillation applications. correlations have emerged, first evaluate or coefficient (kγ), second correlate area (aw). reconciliation method used calibrate validate kernel (kγ,aw) owing broad domain applicability embracing indifferently columns. re...

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