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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

Influence of pH on Oxygen Transfer Rate in Electroflotation Process

Authors : Nadia Hajlaoui, 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 pH and the current densities on electroflotation columns have not been investigated yet. In this study, we proposed to adopt the effects of pH (4–12) and current density (60–300 A/m2) on the specific interfacial area (a), on volumetric mass transfer coefficient (KLa) and in Liquid-side oxygen transfer coefficient (KL) during the wastewater treatment by the electroflotation process. The measurements aimed to find the best experimental conditions to treat such effluents. Water at different pH concentrations was used as model solutions of some effluents. A rectangular electroflotation column was used.

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previous chapter Solid Particle Effect on Oxygen Transfer Rate in Electroflotation Column
next chapter Pervaporation as an Alternative Desalination Method
Literature
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Kotti, M., Ksentini, I., Ben Mansour, L.: Impact of anionic surfactants on oxygen transfer rate in the electroflotation process. Desal. Water Treat. 36, 1–7 (2011)
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Moulai, N., Tir, M.M.: Coupling flocculation with electroflotation for waste oil/water emulsion treatment. Optimization of the Operating Conditions, Desal. 161, 115–121 (2004)
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Elmore, F.E.: A process for separating certain constituents of subdivided ores and like substances, and apparatus therefore. Br Patent 13, 578 (1905)
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Ghernaout, D., Naceura, M.W., Ghernaout, B.: A review of electrocoagulation as a promising coagulation process for improved organic and in organic matters removal by electrophoresis and electroflotation. Desal. Water Treat. 28, 287–320 (2011)CrossRef
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Abdul-Rahman, A., Jasim, A.N.: Gas hold-up and volumetric liquid-phase mass transfer coefficient in solid-suspended bubble columns with draught tube. Eng. Tech. J. 28, 1464–1483 (2010)
Metadata
Title
Influence of pH on Oxygen Transfer Rate in Electroflotation Process
Authors
Nadia Hajlaoui
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_33