Abstract
AbstractExperimental measurements of the gas hold‐up and volumetric mass transfer coefficient have been made for baffle columns (BCs) reacting various foaming liquids under mechanical and chemical foam control. The gas hold‐up and the volumetric mass transfer coefficient in a mechanical foam‐control system (BCs with rating‐disk mechanical foam‐breakers) were larger than those in a chemical foam‐control system (BCs with an antifoam agent added). Correlations for the gas hold‐up and the volumetric mass transfer coefficient in BCs under foam control are presented. Comparison of the volumetric mass transfer coefficient between the mechanical foam‐control system and the chemical foam‐control system in terms of the specific power input also demonstrated higher mass transfer performance and saving power requirements for the mechanical foam‐control system.
Published Version
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