R. W. Peters, T. J. Walker, J. E. Eriksen, T. K. Cheng, Y. Ku and W. M. Lee, “Wastewater Treatment—Physical and Chemical Methods,” Journal of the Water Pollution Control Federation, Vol. 57, 1985, pp. 503-517.
 J. Q. Jiang and J. D. Graham, “Enhanced Coagulation Using Al/Fe(III) Coagulants: Effect of Coagulant Chemistry on the Removal of Color-Causing NOM,” Environmental Technology, Vol. 17, 1996, pp. 937-950.
 Y. M. Slokar and A. M. Le Marechal, “Methods of Decoloration of Textile Wastewaters,” Dyes Pigments, Vol. 37, No. 4, 1998, pp. 335-356.
 A. J. Greaves, D. A. S. Phillips and J. A. Taylor, “Correlation between the Bio Elimination of Anionic Dyes by an Activated Sewage Sludge with Molecular Structure. Part 1: Literature Review,” JSDC, Vol. 115, 1999, pp. 363-365.
 M. Bayramoglu, M. Eyvaz and M. Kobya, “Treatment of the Textile Wastewater by Electrocoagulation: Economical Evaluation,” Chemical Engineering Journal, Vol. 128, No. 2-3, 2007, pp. 155-161.
 M. Y. A. Mollah, R. Morkovsky, J. A. G. Gomes, M. Kesmez, J. R. Parga and D. L. Cocke, “Fundamentals, Present and Future Perspectives of Electrocoagulation,” Journal of Hazardous Materials, Vol. 114, No. 1-3, 2004, pp. 199-210.
 A. H. Essadki, M. Bennajah, B. Gourich, C. Vial, M. Azzi and H. Delmas, “Electrocoagulation/Electroflotation in an External-Loop Airlift Reactor—Application to the Decolorization of Textile Dye Wastewater: A Case Study,” Chemical Engineering and Processing, Vol. 47, No. 8, 2008, pp. 1211-1223.
 A. H. Essadki, B. Gourich., C. Vial, H. Delmas and M. Bennajah, “Defluoridation of Drinking Water by Electrocoagulation/Electroflotation in a Stirred Tank Reactor with a Comparative Performance to an External-Loop Airlift Reactor,” Journal of Hazardous Materials, Vol. 168, No. 2-3, 2009, pp. 1325-1333.
 W, Balla, A. H. Essadki, B. Gouricha, A. Dassaa, H. Chenik and M. Azzi, “Electrocoagulation/Electroflotation of Reactive, Disperse and Mixture Dyes in an External-Loop Airlift Reactor,” Journal of Hazardous Materials, Vol. 184, No. 1-3, 2010, pp. 710-716.
 A. H. Essadki, B. Gourich, C. Vial and H. Delmas, “Residence Time Distribution Measurements in an External-Loop Airlift Reactor: Study of the Hydrodynamics of the Liquid Circulation Induced by the Hydrogen Bubbles,” Chemical Engineering Science, Vol. 66, No. 14, 2011, pp. 3125-3132.
 G. Chen, “Electrochemical Technologies Inwastewater Treatment,” Separation and Purification Technology, Vol. 38, No. 1, 2004, pp. 11-41.
 N. Adhoum, L. Monser, N. Belkhal and J.-E. Belgaied, “Treatment of Electroplating Wastewater Containing Cu2+, Zn2+ and Cr(VI) by Electrocoagulation,” Journal of Hazardous Materials, Vol. 112, No. 3, 2004, pp. 207-213. http://dx.doi.org/10.1016/j.jhazmat.2004.04.018
 Meenakshi and R. C. Maheshwari, “Fluoride in Drinking Water and Its Removal,” Journal of Hazardous Materials, Vol. 137, No. 1, 2006, pp. 456-463.