1. R. Saha, R. Nandi, B. Saha, Sources and toxicity of hexavalent chromium, J. Coord. Chem., 64 (2011) 1782–1806.
  2. M.G. Mitrakas, A.S. Pantazatou, R. Tzimou-Tsitouridou, C.A. Sikalidis, Influence of pH and temperature on Cr(VI) removal from a natural water using Fe(II): A pilot and full scale case study, Desal. Wat. Treat., 33 (2011) 77–85.
  3. C.E. Barrera-Díaz, V. Lugo-Lugo, B. Bilyeu, A review of chemical, electrochemical and biological methods for aqueous Cr(VI) reduction, J. Hazard. Mater., 223–224 (2012) 1–12.
  4. A. Dabrowski, Z. Hubicki, P. Podkościelny, E. Robens, Selective removal of the heavy metal ions from waters and industrial wastewaters by ion-exchange method, Chemosphere, 56 (2004) 91–106.
  5. D. Mohan, C.U. Pittman, Activated carbons and low cost adsorbents for remediation of tri- and hexavalent chromium from water, J. Hazard. Mater., 137 (2006) 762–811.
  6. N.K. Lazaridis, M. Jekel, A.I. Zouboulis, Removal of Cr(VI), Mo(VI), and V(V) ions from single metal aqueous solutions by sorption or nanofiltration, Sep. Sci. Technol., 38 (2003) 2201–2219.
  7. S.K. Nataraj, K.M. Hosamani, T.M. Aminabhavi, Potential application of an electrodialysis pilot plant containing ionexchange membranes in chromium removal, Desalination, 217 (2007) 181–190.
  8. C. Cervantes, J. Campos-Garcı́a, S. Devars, F. Gutiérrez-Corona, H. Loza-Tavera, J.C. Torres-Guzmán, R. Moreno-Sánchez, Interactions of chromium with microorganisms and plants, FEMS Microbiol. Rev., 25 (2001) 335–347.
  9. K.A. Matis, P. Mavros, Recovery of metals by ion flotation from dilute aqueous solutions, Sep. Purif. Methods, 20 (1991) 1–48.
  10. M. Chrysochoou, A. Ting, A kinetic study of Cr(VI) reduction by calcium polysulfide, Sci. Total Environ., 409 (2011) 4072–4077.
  11. M. Magistri, D. Padovani, M. Spa, Chromate Reducing Agents, Cement Standards, 2005.
  12. G. Pei, Z. Wei, H. Fu, J. Liu, F. Yu, Optimization of hexavalent chromium removal from wastewater by ferrite precipitation, J. Residuals Sci. Technol., 13 (2016), 85–91.
  13. E. Theologou, I. Panagiotakis, D. Dermatas, M. Chrysochoou, T. Toskos, Remediation technologies for hexavalent chromium contaminated aquifers, in: Proc. 13th International Conference on Environmental Science and Technology, 2013.
  14. S.E. Fendorf, G. Li, Kinetics of chromate reduction by ferrous iron, Environ. Sci. Technol., 30 (1996) 1614–1617.
  15. M.J. McGuire, N.K. Blute, C. Seidel, G. Qin, L. Fong, Pilot-scale studies of hexavalent chromium removal from drinking water, J. Am. Water Works Assoc., 98 (2006) 34–143.
  16. D.L. Sedlak, P.G. Chan, Reduction of hexavalent chromium by ferrous iron, Geochim. Cosmochim. Acta, 61 (1997) 2185–2192.
  17. G. Lee, J.G. Hering, Removal of chromium(VI) from drinking water by redox-assisted coagulation with iron(II), J. Water Supply Res. Technol. AQUA, 52 (2003) 319–332.
  18. Y. Esfandyari, Y. Mahdavi, M. Seyedsalehi, M. Hoseini, G.H. Safari, M.G. Ghozikali, H. Kamani, J. Jaafari, Degradation and biodegradability improvement of the olive mill wastewater by peroxi-electrocoagulation/electrooxidation-electroflotation process with bipolar aluminum electrodes, Environ. Sci. Pollut. Res., 22 (2015) 6288–6297.
  19. M.M. Emamjomeh, M. Sivakumar, Review of pollutants removed by electrocoagulation and electrocoagulation/flotation processes, J. Environ. Manage., 90 (2009) 1663–1679.
  20. C. Pan, L.D. Troyer, J.G. Catalano, D.E. Giammar, Dynamics of chromium(VI) removal from drinking water by iron electrocoagulation, Environ. Sci. Technol., 50 (2016) 13502–13510.
  21. S.A. Martínez, M.G. Rodríguez, C. Barrera, A kinetic model that describes removal of chromium VI from rinsing waters of the metal finishing industry by electrochemical processes, Water Sci. Technol., 42 (2000) 55–61.
  22. A.K. Golder, A.N. Samanta, S. Ray, Removal of trivalent chromium by electrocoagulation, Sep. Sci. Technol., 53 (2007) 33–41.
  23. N. Meunier, P. Drogui, C. Gourvenec, G. Mercier, R. Hausler, J.F. Blais, Removal of metals in leachate from sewage sludge using electrochemical technology, Environ. Technol., 25 (2004) 235–245.
  24. T. Ölmez, The optimization of Cr(VI) reduction and removal by electrocoagulation using response surface methodology, J. Hazard. Mater., 162 (2009) 1371–1378.
  25. G. Chen, Electrochemical technologies in wastewater treatment, Sep. Sci. Technol., 38 (2004) 11–41.
  26. I.J. Buerge, S.J. Hug, Kinetics and pH Dependence of Chromium(VI) Reduction by Iron(II), Environ. Sci. Technol., 31 (1997) 1426–1432.
  27. M.A. Schlautman, I. Han, Effects of pH and dissolved oxygen on the reduction of hexavalent chromium by dissolved ferrous iron in poorly buffered aqueous systems, Water Res., 35 (2001) 1534–1546.
  28. Z.R. Guo, G. Zhang, J. Fang, X. Dou, Enhanced chromium recovery from tanning wastewater, J. Cleaner Prod., 14 (2006) 75–79.
  29. N. Adhoum, L. Monser, N. Bellakhal, J.E. Belgaied, Treatment of electroplating wastewater containing Cu2+, Zn2+ and Cr(VI) by electrocoagulation, J. Hazard. Mater., 112 (2004) 207–213.
  30. P.K. Holt, G.W. Barton, M. Wark, C.A. Mitchell, A quantitative comparison between chemical dosing and electrocoagulation, Colloids Surf. A Physicochem. Eng. Asp., 211 (2002) 233–248.
  31. P. Gao, X. Chen, F. Shen, G. Chen, Removal of chromium(VI) from wastewater by combined electrocoagulation–electroflotation without a filter, Sep. Purif. Technol., 43 (2005) 117–123.
  32. I. Heidmann, W. Calmano, Removal of Cr(VI) from model wastewaters by electrocoagulation with Fe electrodes, Sep. Purif. Technol., 61 (2008) 15–21.
  33. M. Pettine, L. D’Ottone, L. Campanella, F.K. Millero, R. Passino, The reduction of chromium (VI) by iron (II) in aqueous solutions, Geochim. Cosmochim. Acta, 62 (1998) 1509–1519.
  34. K.L. Dubrawski, C.M. van Genuchten, C. Delaire, S.E. Amrose, A.J. Gadgil, M. Mohseni, Production and transformation of mixed-valent nanoparticles generated by Fe(0) electrocoagulation, Environ. Sci. Technol., 49 (2015) 2171–2179.
  35. Y.A. El-Taweel, E.M. Nassef, I. Elkheriany, D. Sayed, Removal of Cr(VI) ions from waste water by electrocoagulation using iron electrode, Egypt. J. Petrol., 24 (2015) 183–192.