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Efficiency of Hybrid Process of Coagulation/Flocculation Followed by Membrane Filtration for the Treatment of Synthetic Vegetable Oil Refinery Wastewater Read chapter Read first chapter

2021 | OriginalPaper | Chapter

Solid Particle Effect on Oxygen Transfer Rate in Electroflotation Column

Authors : Maroua Mejri, Lassaad Ben Mansour

Published in: Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition)

Publisher: Springer International Publishing

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Abstract

The effects of solids (impurities) on gas–liquid columns and the respective physical mechanisms have received little attention. Therefore, in this study, the effect of the solids concentration on the mass transfer characteristics in a three-phase electroflotation column was experimentally studied for the systems gas/water/olive stone. Volumetric mass transfer coefficient, kLa, was measured under different solid concentrations (1–3 g/l) and current densities values (60–220 A/m2). The presence of olive stone solids was found to affect negatively kLa. Also, an increase in kLa occurs when the current density increases. The capacity of oxygenation CO and the corrective factor alpha were also studied.

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previous chapter Optimization of Indigo Dye Removal by Continuous Electrocoagulation Process
next chapter Influence of pH on Oxygen Transfer Rate in Electroflotation Process
Literature
1.
Mejri, M., Kseintini, I., Kotti, M., Ben Mansour, L.: Studying the hydrodynamics in a three-phase electroflotation column. Dessalination and water treatment 2(5), 99–110 (2018)
2.
Mejri, M., Ben Mansour, L.:Bubble size distribution and mass transfer on a three-phase electroflotation column. Heat and mass transfer 1–11(2019)
3.
Chaumat, H., Billet, A.M., Delmas, H.:Hydrodynamics and mass transfer in bubble column: Influence of liquidphase surface tension. Chem. Eng. Sci. 62, 7378–7390 (2007)
4.
Kotti, M., Dammak, N., Ksentini, I., Ben Mansour, L.: Effects of impurities on oxygen transfer rate in the electroflotation process. Indian J. Chem. Technol. (16), 513-518(2009)
Metadata
Title
Solid Particle Effect on Oxygen Transfer Rate in Electroflotation Column
Authors
Maroua Mejri
Lassaad Ben Mansour
Copyright Year
2021
Book
Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition)

Print ISBN: 978-3-030-51209-5

Electronic ISBN: 978-3-030-51210-1

Copyright Year: 2021

DOI
https://doi.org/10.1007/978-3-030-51210-1_32