References

1. J. Zhu, H. Gu, J. Guo, M. Chen, H. Wei, Z. Luo, H.A. Colorado, N. Yerra, D. Ding, T.C. Ho, Mesoporous magnetic carbon nanocomposite fabrics for highly efficient Cr(VI) removal, J. Mater. Chem. A, 2 (2014) 2256–2265.
2. B. Qiu, C. Xu, D. Sun, H. Yi, J. Guo, X. Zhang, H. Qu, M. Guerrero, X. Wang, N. Noel, Polyaniline coated ethyl cellulose with improved hexavalent chromium removal, ACS Sustainable Chem. Eng., 2 (2014) 2070–2080.
3. C. Xu, B. Qiu, H. Gu, X. Yang, H. Wei, X. Huang, Y. Wang, D. Rutman, D. Cao, S. Bhana, Synergistic interactions between activated carbon fabrics and toxic hexavalent chromium, ECS J. Solid. State Sci. Technol., 3 (2014) M1–M9.
4. B. Qiu, C. Xu, D. Sun, H. Wei, X. Zhang, J. Guo, Q. Wang, D. Rutman, Z. Guo, S. Wei, Polyaniline coating on carbon fiber fabrics for improved hexavalent chromium removal, RSC Adv., 4 (2014) 29855–29865.
5. S. Langård, Chromium carcinogenicity; a review of experimental animal data, Sci. Total Environ., 71 (1988) 341–350.
6. A.K. Mathur, S.V. Chandra, S.K. Tandon, Comparative toxicity of trivalent and hexavalent chromium to rabbits II. Morphological changes in some organs, Toxicology, 8 (1977) 53–61.
7. A.D. Dayan, A.J. Paine, Mechanisms of chromium toxicity, carcinogenicity and allergenicity: review of the literature from 1985 to 2000, Hum. Exp. Toxicol., 20 (2001) 439–451.
8. G.V. Alexeeff, K. Satin, P. Painter, L. Zeise, C. Popejoy, G. Murchison, Chromium carcinogenicity: California strategies, Sci. Total Environ., 86 (1989) 159–168.
9. V. Bianchi, A.G. Levis, Review of genetic effects and mechanisms of action of chromium compounds, Sci. Total Environ., 71 (1988) 351–355.
10. E. Demirbas, M. Kobya, E. Senturk, T. Ozkan, Adsorption kinetics for the removal of chromium(VI) from aqueous solutions on the activated carbons prepared from agricultural wastes, Water SA, 30 (2004) 533–539.
11. V.K. Gupta, A. Rastogi, A. Nayak, Adsorption studies on the removal of hexavalent chromium from aqueous solution using a low cost fertilizer industry waste material, J. Colloid Interface Sci., 342 (2010) 135–141.
12. J. Hu, G. Chen, I.M. Lo, Removal and recovery of Cr(VI) from wastewater by maghemite nanoparticles, Water Res., 39 (2005) 4528–4536.
13. P. Pandey, S. Sharma, S. Sambi, Kinetics and equilibrium study of chromium adsorption on zeoliteNaX, Int. J. Sci. Environ. Technol., 7 (2010) 395–404.
14. P. Yuan, M. Fan, D. Yang, H. He, D. Liu, A. Yuan, J. Zhu, T. Chen, Montmorillonite-supported magnetite nanoparticles for the removal of hexavalent chromium [Cr(VI)] from aqueous solutions, J. Hazard. Mater., 166 (2009) 821–829.
15. P. Yuan, D. Liu, M. Fan, D. Yang, R. Zhu, F. Ge, J. Zhu, H. He, Removal of hexavalent chromium [Cr(VI)] from aqueous solutions by the diatomite-supported/unsupported magnetite nanoparticles, J. Hazard. Mater., 173 (2010) 614–621.
16. H. Shaalan, M. Sorour, S. Tewfik, Simulation and optimization of a membrane system for chromium recovery from tanning wastes, Desalination, 14 (2001) 315–324.
17. C.A. Kozlowski, W. Walkowiak, Removal of chromium(VI) from aqueous solutions by polymer inclusion membranes, Water Res., 36 (2002) 4870–4876.
18. G. Tiravanti, D. Petruzzelli, R. Passino, Pretreatment of tannery wastewaters by an ion exchange process for Cr(III) removal and recovery, Water Sci. Technol., 36 (1997) 197–207.
19. D. Petruzzelli, R. Passino, G. Tiravanti, Ion exchange process for chromium removal and recovery from tannery wastes, Ind. Eng. Chem. Res., 34 (1995) 2612–2617.
20. I. Ihsanullah, F.A. Al-Khaldi, B. Abu-Sharkh, A.M. Abulkibash, M.I. Qureshi, T. Laoui, M.A. Atieh, Effect of acid modification on adsorption of hexavalent chromium (Cr(VI)) from aqueous solution by activated carbon and carbon nanotubes, Desal. Water Treat., 57 (2015) 7232–7244.
21. D. Sivakumar, Hexavalent chromium removal in a tannery industry wastewater using rice husk silica, Global J. Environ. Sci. Manage., 1 (2015) 27–40.
22. T. Chen, Z. Zhou, S. Xu, H. Wang, W. Lu, Adsorption behavior comparison of trivalent and hexavalent chromium on biochar derived from municipal sludge, Bioresour. Technol., 190 (2015) 388–394.
23. W. Song, B. Gao, T. Zhang, X. Xu, X. Huang, H. Yu, Q. Yue, High-capacity adsorption of dissolved hexavalent chromium using amine-functionalized magnetic corn stalk composites, Bioresour. Technol., 190 (2015) 550–557.
24. N.H. Mthombeni, M.S. Onyango, O. Aoyi, Adsorption of hexavalent chromium onto magnetic natural zeolite-polymer composite, J. Taiwan Inst. Chem. Eng., 50 (2015) 242–251.
25. S.S. Baral, S.N. Das, P. Rath, Hexavalent chromium removal from aqueous solution by adsorption on treated sawdust, Biochem. Eng. J., 31 (2006) 216–222.
26. M. Jabari, F. Aqra, S. Shahin, A. Khatib, The treatment of chromium tanning wastewater using natural marl, Chem. Speciation Bioavailability, 21 (2009) 185–191.
27. M. Jabari, F. Aqra, S. Shahin, A. Khatib, Monitoring chromium content in tannery wastewater, J. Arg. Chem. Soc., 97 (2009) 77–87.
28. M. Al‐Jabari, M. Abualfailat, S. Shaheen, Treating leather tanning wastewater with stone cutting solid waste, Clean – Soil, Air, Water, 40 (2012) 206–210.
29. H. Sawalha, M. Al-Jabari, I. Tamimi, M. Shahin, Z. Tamimi, Characterization and treatment of wastewater from galvanization industry in Palestine, Int. J. Environ. Water, 3 (2016) 37–44.
30. L. Clesceri, A. Greenberg, A. Eaton, Standard Methods for The Examination of Water and Wastewater, American Water Works Association, 1999.
31. M.C. Fournier-Salaün, P. Salaün, Quantitative determination of hexavalent chromium in aqueous solutions by UV-Vis spectrophotometer, Cent. Eur. J. Chem., 5 (2007) 1084–1093.
32. L. Di Palma, M.T. Gueye, E. Petrucci, Hexavalent chromium reduction in contaminated soil: A comparison between ferrous sulphate and nanoscale zero-valent iron, J. Hazard. Mater., 281 (2015) 70–76.