Hydrodynamics and Mass Transfer of Oily Micro-emulsions in An External Loop Airlift Reactor

Mona Ebrahimi Fakhari; Mostafa Keshavarz Moraveji; Reza Davarnejad

doi:10.1016/S1004-9541(14)60050-1

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Hydrodynamics and Mass Transfer of Oily Micro-emulsions in An External Loop Airlift Reactor

流体力学与传递现象 | Updated：2026-01-06

- Hydrodynamics and Mass Transfer of Oily Micro-emulsions in An External Loop Airlift Reactor
- Chinese Journal of Chemical Engineering Vol. 22, Issue 3, Pages: 267-2731004-954160050-1(2014)
- Affiliations：
  
  2 Department of Chemical Engineering, Amirkabir University of Technology (Tehran Polytechnic), 424 Hafez Avenue, Tehran,Iran,15875-4413
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(14)60050-1
  CLC：
- Published：2014
- Accepted：
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Mona Ebrahimi Fakhari, Mostafa Keshavarz Moraveji, Reza Davarnejad. Hydrodynamics and Mass Transfer of Oily Micro-emulsions in An External Loop Airlift Reactor[J]. Chin.J.Chem.Eng., 2014, 22(3): 267-273.
DOI：

Mona Ebrahimi Fakhari, Mostafa Keshavarz Moraveji, Reza Davarnejad. Hydrodynamics and Mass Transfer of Oily Micro-emulsions in An External Loop Airlift Reactor[J]. Chin.J.Chem.Eng., 2014, 22(3): 267-273. DOI： 10.1016/S1004-9541(14)60050-1.

摘要

Abstract

This study reports an experimental investigation on hydrodynamics and mass transfer characteristics in a 15.6×10

-3

external loop airlift reactor for oil-in-water micro-emulsions with oil to water volume ratio (φ) ranging from 3% to 7% (by volume). For comparative purposes

experiments were also carried out with water. Increase in φ of micro-emulsion systems results in an increment in the gas holdup and a decrease in the volumetric gas-liquid oxygen transfer coefficient and liquid circulation velocity

attributed to the escalation in the viscosity of micro-emulsions. The gas holdup and volumetric mass transfer coefficient for micro-emulsion systems are significantly higher than that of water system. Two correlations are developed to predict the gas holdup and oxygen transfer coefficient.

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