JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Print ISSN : 0021-9592
DETERMINATION OF LIQUID-SIDE AND GAS-SIDE VOLUMETRIC MASS TRANSFER COEFFICIENTS IN A BUBBLE COLUMN
JEONG SHIK CHONORIAKI WAKAO
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1988 Volume 21 Issue 6 Pages 576-581

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Abstract

Experiments were carried out on bubble stripping of aqueous solutions of five organic solutes and oxygen dissolved at initial concentrations ranging from 0.008 to 0.04kg⋅m-3. Little interaction was found to exist among the solutes, as far as gas holdup and overall volumetric mass transfer coefficients at low concentrations are concerned. The liquid-side and gas-side volumetric mass transfer coefficients were obtained from measured overall coefficients. Correlations for the liquid-side volumetric mass transfer coefficients were obtained in terms of liquid-phase diffusivity and gas flow rate for two types of gas spargers: single-nozzle and porous-tube spargers. Correlations for the gas-side volumetric mass transfer coefficients were also obtained for these spargers.

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© The Society of Chemical Engineers, Japan
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