References

1. D. Ghernaout, M.W. Naceur, B. Ghernaout, A review of electrocoagulation as a promising coagulation process for improved organic and inorganic matters removal by electrophoresis and electroflotation, Desal. Water Treat., 28 (2011) 287–320.
2. O.S. Amuda, I.A. Amoo, Coagulation/flocculation process and sludge conditioning in beverage industrial wastewater treatment, J. Hazard. Mater., 141 (2007) 778–783.
3. M. Gryta, M. Tomaszewska, K. Karakulski, Wastewater treatment by membrane distillation, Desalination, 198 (2006) 67–73.
4. L. Fan, J. Ni, Y. Wu, Y. Zhang, Treatment of bromoamine acid wastewater using combined process of micro-electrolysis and biological aerobic filter, J. Hazard. Mater., 162 (2009) 1204–1210.
5. J.C. Wang, H. Wang, Fenton treatment for flotation separation of polyvinyl chloride from plastic mixtures, Sep Purif. Technol., 187 (2017) 415–425.
6. S. Degaleesan, M. Dudukovic, Y. Pan, Experimental study of gas induced liquid-flow structures in bubble columns, AIChE J., 47 (2001) 1913–1931.
7. H. Li, A. Prakash, Analysis of flow patterns in bubble and slurry bubble columns based on local heat transfer measurements, Chem. Eng. J., 86 (2002) 269–276.
8. N. Jamshidi, N. Mostoufi, Measurement of bubble size distribution in activated sludge bubble column bioreactor, Biochem Eng. J., 125 (2017) 212–220.
9. A.K. Jhawar, A. Prakash, Influence of bubble column diameter on local heat transfer and related hydrodynamics, Chem. Eng. Res. Des., 89 (2011) 1996–2002.
10. M. Kotti, I. Ksentini, L. Ben Mansour, Impact of anionic surfactants on oxygen transfer rate in the electroflotation process, Desal. Water Treat., 36 (2011) 1–7.
11. L. Ben Mansour, S. Chalbi, Removal of oil from oil/water emulsions using electroflotation process, J. Appl. Electrochem., 36 (2006) 577–581.
12. G.Z. Kyzas, K.A. Matis, Electroflotation process: A review, J. Mol. Liq., 220 (2016) 657–664.
13. M. Kotti, N. Dammak, I. Ksentini, L. Ben Mansour, Effects of impurities on oxygen transfer rate in the electroflotation process, Indian J. Chem. Techn., 16 (2009) 513–518.
14. G. Chen, Electrochemical technologies in waste water treatment, Sep. Purif. Technol., 38 (2004) 11–41.
15. L.Z. Pino, M.M. Yepez, A.E. Saez, An experimental study of gas holdup in two-phase bubble columns with foaming liquids, Chem. Eng. Commun., 89 (1990) 155–175.
16. I. Ksentini, M. Kotti, L. Ben Mansour, Effect of liquid phase physicochemical characteristics on hydrodynamics of an electroflotation column, Desal. Water Treat., 52 (2014) 3347–3354.
17. R. Issaoui, I. Ksentini, M. Kotti, L. Ben Mansour, Effect of current density and oil concentration on hydrodynamic aspects in electroflotation column during oil/water emulsion treatment, J. Water Chem. Techno., 39 (2017) 166–170.
18. B. Gandhi, A. Prakash, M.A. Bergougnou, Hydrodynamic behavior of slurry bubble column at high solids concentrations, Powder Technol., 103 (1999) 80–94.
19. R. Krishna, J.W.A. De Stewart, J. Ellenberger, G.B. Martina, C. Maretto, Gas holdup in slurry bubble columns: effect of column diameter and slurry concentrations, Aiche J., 43 (1997) 311–316.
20. P.C. Mena, M.C. Ruzicka, F.A. Rocha, J.A. Texeira, J. Drohos, Effect of solids on homogenous-heterogenous flow regime transition in bubble columns, Chem. Eng. Sci., 60 (2005) 6013– 6026.
21. M. Jamlalahmadl, H. Muller-Steinhagen, Effect of solid particles on gas hold-up in bubble columns, Can. J. Chem. Eng., 69 (1991) 390–393.
22. E. Barnea, J. Mizrahi, A generalized approach to the fluid dynamics of particulate systems: Part 1. General correlation for fluidization and sedimentation in solid multiparticle systems, Chem. Eng. J., 5 (1973) 171–189.
23. A.A. Kendoush, T.J. Mohammed, B.A. Abid, M.S. Hameed, Experimental investigation of the hydrodynamic interaction in bubbly two-phase flow, Chem. Eng. Process., 43 (2004) 23–33.
24. L.J.J. Janssen, J.G. Hoogland, The effect of electrolytically evolved gas bubbles on the thcikness of the diffusion layer, Electrochim. Acta, 15 (1970) 1013–1023.
25. S.D. Kim, C.G.J. Baker, M.A. Bergougnou, Holdup and axial mixing characteristics of two and three phase fluidized beds, Can J. Chem. Eng., 50 (1972) 695–701.
26. I. Ksentini, K. Hmidi, N. Hajlaoui, L. Ben Mansour, Hydrodynamic study of an electroflotation column operating in continuous mode, IJIRT, 1 (2014) 109–112.
27. A. Hassanzadeh, B.V. Hassas, S. Kouachi, Z. Brabcova, M.S. Çelik, Effect of bubble size and velocity on collision efficiency in chalcopyrite flotation, Colloid Surface A, 498 (2016) 258–267.
28. S. Kumar, R.A. Kumar, P. Munshi, A. Khanna, Gas hold-up in three phase co-current bubble columns, Procedia. Eng., 42 (2012) 782–794.
29. C.L. Hyndman, F. Larachi, C. Guy, Understanding gas-phase hydrodynamics in bubble columns: a convective model based on kinetic theory, Chem. Eng. Sci., 52 (1997) 63–77.
30. M. Rupesh, R.M. Bande, B. Prasad, I.M. Mishra, K.L. Wasewar, Oil field effluent water treatment for safe disposal by electroflotation, Chem. Eng. J., 137 (2008) 503–509.
31. R. Yoon, G.H. Luttrell, The effect of bubble size on fine particle flotation, Miner Process Extr. Metall. Rev., 5 (1989) 101–122.
32. A. Prakash, A. Margaritis, H. Li, Hydrodynamics and local heat transfer measurements in a bubble column with suspension of yeast, Biochem. Eng. J., 9 ( 2001) 155–163.
33. B. Shahbazi, B. Rezai, S.M. JavadKoleini, The effect of hydrodynamic parameters on probability of bubble–particle collision and attachment, Miner. Eng., 22 (2009) 57–63.
34. H. Hikita, S. Asal, K. Tanigawa, K. Segawa, M. Kitao, Gas holdup in bubble column, Chem. Eng. J., 20 (1980) 59–67.
35. E. Sada, S. Katoh, H. Yoshil, Performance of the gas–liquid bubble column in molten salt systems, Ind. Eng. Chem. Process Des. Dev., 23 (1984) 151–154.
36. K. Wongwailikhit, P. Warunyuwong, N. Chawaloesphonsiya, N. Dietrich, G. Hébrard, P. Painmanakul, Relative effect of gas sparger orifice sizes and some solid particle characteristics on hydrodynamics and mass transfer in a bubble column, Chem. Eng. Technol., 41 (2018) 461–468.