Abstract
Interfacial areas and liquid-side mass transfer coefficients are determined in a trickle-bed reactor (TBR) and in a flooded-bed reactor (FBR) by means of two chemical absorption systems. The effect of gas and liquid mass flow rates and liquid viscosity is studied for both reactors as well as the influence of pressure (gas density) for TBR. In both TBR and FBR, interfacial area increases with liquid viscosity and fluid mass flow rates. It is also shown that in TBR, at given mass flow rates, interfacial areas and volumetric liquid-side mass transfer coefficients increase with gas density. In the case of FBR, the volumetric liquid-side mass transfer coefficient decreases slightly with the liquid viscosity. A new correlation is proposed for the interfacial area in FBR.
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