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Experimental Study of Current Density and Liquid Phase Electric Conductivity Effects on Bubble Size Distribution in an Electroflotation Column

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Abstract

Electroflotation column is preferred in many chemicals, electrochemical and biochemical wastewater process treatment due to their simplicity in design, operation and maintenance. Indeed, it is very important to have a tool to determine and optimize the size distribution of the bubbles produced inside columns. In this context and in order to improve the performance of wastewater treatment by electroflotation process, the main objective of this study was to investigate the effect of current density and liquid phase electric conductivity on the bubble size distribution and on the bubble flow regime. For this a rectangular electroflotation column was used. The method of recording and the video image analyzing was used to determine the diameter and the rise velocity of the bubbles.

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Authors and Affiliations

  1. Sciences Faculty of Sfax, Laboratory of Applied Fluid Mechanics-Process Engineering and Environment, B.P. 802, Sfax, 3018, Tunisia

    Nadia Hajlaoui, Mariam Kotti & Lassaad Ben Mansour

  2. International Institute of Technology, North American Private University, Sfax, Tunisia

    Issam Ksentini

Authors
  1. Nadia Hajlaoui
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  2. Issam Ksentini
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  3. Mariam Kotti
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  4. Lassaad Ben Mansour
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Corresponding author

Correspondence to Issam Ksentini.

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Published in Russian in Elektrokhimiya, 2019, Vol. 55, No. 5, pp. 523–528.

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Hajlaoui, N., Ksentini, I., Kotti, M. et al. Experimental Study of Current Density and Liquid Phase Electric Conductivity Effects on Bubble Size Distribution in an Electroflotation Column. Russ J Electrochem 55, 358–363 (2019). https://doi.org/10.1134/S1023193519040025

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  • DOI: https://doi.org/10.1134/S1023193519040025

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