Hydrodynamics of bubble columns with two immiscible liquid phases

C. Arguelles, M. M. Yépez, A. E. Saez

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

An experimental study of hydrodynamic parameters of bubble columns with the presence of two immiscible liquid phases, water and kerosene, was performed. The solid used consisted of glass beads with a narrow size distribution. The analysis was based on the determination of global gas holdups and phases distribution along the length of the column in the semibatch mode of operation. The results show that the presence of two immiscible liquid phases significantly reduces the gas holdup in the bubble column as compared to the results obtained with pure aqueous and organic liquid phases. The distribution of solid phase in a slurry bubble column is drastically affected by the presence of immiscible liquid phases, and exhibits a qualitatively different behavior when compared to systems with one liquid phase. The addition of small amounts of aqueous phase to a slurry bubble column in which the liquid phase is kerosene results in the sedimentation of the solid. As the amount of aqueous ohase added is increased, the solid fluidizes yielding almost flat concentration profiles.

Original languageEnglish (US)
Pages (from-to)201-212
Number of pages12
JournalChemical Engineering Communications
Volume122
Issue number1
DOIs
StatePublished - Jan 4 1993
Externally publishedYes

Keywords

  • Bubble column
  • Gas holdup
  • Immiscible liquids

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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