Gas/liquid dispersions with a SMX static mixer in the laminar regime |
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Authors: | Louis Fradette Huai-Zhi Li Philippe Tanguy |
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Affiliation: | a URPEI-TOTAL Chair, École Polytechnique, Montreal, Canada H3T 1J7 b Gemico-ENSIC, Institut National Polytechnique de Lorraine, 54000 Nancy, France c LSGC-UPR 6811 -CNRS, Institut National Polytechnique de Lorraine, 54000 Nancy, France |
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Abstract: | A Sulzer SMX mixer was used to disperse gas into viscous, Newtonian and non-Newtonian fluids. The investigation covered the effect of the dispersed phase volume fraction, the viscosity of the continuous phase, the mixer length and the power draw. The flow regime was kept laminar in all the experiments. The dispersion of gas was carried out with gas concentrations between 1% and 7% in volume. Using the “process viscosity” concept, it was possible to collapse all the measured sizes on a single master curve by using the energy consumption in the mixer as the common variable between the experiments. Comparison was made with a Kenics mixer. The SMX mixer was found to be better adapted to the dispersion task due to its internal structure. |
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Keywords: | SMX static mixer Multiphase flow Gas-liquid dispersion Laminar flow Newtonian Non-Newtonian |
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