Effect of surfactants on gas holdup of two-phase bubble columns

L. Antonio Estevez, A. Eduardo Saez, Jacinto Pachano, Ivan Cavicchioli

Research output: Contribution to conferencePaperpeer-review


Two-phase experiments have been carried out using organic liquids with a surfactant and air in a bubble column 30 [cm] inside diameter and 3 [m] tall. Under the presence of the surfactant, two distinct regions are observed: a bubbling region in the lower part, and a froth zone in the upper part of the column. Intrinsic gas holdup were measured in each region. Results showed that intrinsic gas holdup did not vary significantly with surfactant concentration. However, the position of the limiting surface separating the two regions varied considerably with surfactant concentration, thus affecting strongly the overall gas holdup. Based on these facts, correlations for intrinsic and overall gas holdup have been proposed.

Original languageEnglish (US)
Pages9G 29p
StatePublished - 1988
EventPreprint - American Institute of Chemical Engineers - New Orleans, LA, USA
Duration: Mar 6 1988Mar 10 1988


OtherPreprint - American Institute of Chemical Engineers
CityNew Orleans, LA, USA

ASJC Scopus subject areas

  • General Engineering

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