Fluid dynamic behaviour of two- and three-phase airlift reactors

Renzo Di Felice, Carmen Monfort Eroles

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

This work deals with two- and three-phase airlift systems, employing ambient air, tap water and plastic spheres. The dependency of the main parameters (gas and liquid hold-ups, liquid circulation rate) on the only external factor, the gas flow rate was investigated. Liquid circulation rate was correlated by a pressure balance which lead to the experimental determination of an overall friction coefficient. A digital camera was used was used, in the second part of the investigation, to determine bubble hold-up and bubble size distribution. Gas flow rate in the downcomer could be inferred and a tentative correlation with the flow condition prevailing in the riser was suggested.

Original languageEnglish
Pages (from-to)419-425
Number of pages7
JournalCanadian Journal of Chemical Engineering
Volume81
Issue number3-4
DOIs
Publication statusPublished - Jan 1 2003

Keywords

  • Airlift reactors
  • Bubble size distribution
  • Liquid circulation rate
  • Pressure drop balance

ASJC Scopus subject areas

  • Chemical Engineering(all)

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