Dye sorption characters of gamma irradiated foamed ethylene propylene diene monomer (EPDM) rubber/clay composites

Mahmoud S. Hassan; Khaled F. El-Nemr

Journal of Industrial and Engineering Chemistry, Vol.19, No.4, 1371-1376, July, 2013

DOI10.1016/j.jiec.2012.12.042 Export Citation

Dye sorption characters of gamma irradiated foamed ethylene propylene diene monomer (EPDM) rubber/clay composites

Mahmoud S. Hassan, and Khaled F. El-Nemr^†

Radiation Chemistry Department, National Center for Radiation Research and Technology, P.O. Box 29, Nasr City, Cairo, Egypt

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Composites based on gamma irradiated ethylene propylene diene monomer rubber in foam structure, loaded with different types of clays were used as adsorbents for different classes of dyestuffs (basic, acid, reactive and disperse) from aqueous solutions. The clays under investigation were Aswan clay (ASC) and sodium montmorillonite (Na-MMT). The effect of adsorbent composition, irradiation dose, pH and contact time on dye sorption was studied. It was found that the rubber composites loaded by Na-MMT gave maximum adsorption of the basic dye (~42%) in aqueous solution, while the rubber composites loaded by AS clay gave maximum adsorption (~28%) of the acidic dye. On the other hand, both type of clays did not show no affinity toward reactive and disperse dyes. The efficiency of dye removal was found to increase with increasing the pH and contact time. It was also observed that the irradiation dose (50 kGy) was the optimum dose for the removal of dyes for all rubber composites.

Keywords:Rubber composites;Dye sorption;Gamma radiation

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[Referenced By]

[1] Wang SB, Zhu ZH, Coomes A, Haghseresht F, Lu GQ, J. Colloid Interface Sci., 284(2), 440 (2005)

[2] Wang CC, Juang LC, Hsu TC, Lee CK, Lee JF, Huang FC, J. Colloid Interface Sci., 273(1), 80 (2004)

[3] Tsai WT, Chang YM, Lai CW, Lo CC, Applied Clay Science., 29, 149 (2005)

[4] Bilgic C, J. Colloid Interface Sci., 281(1), 33 (2005)

[5] Xu SM, Wang JL, Wu RL, Wang JD, Li H, Chem. Eng. J., 117(2), 161 (2006)

[6] Inthorn D, Singhtho S, Thiravetyan P, Khan E, Bioresour. Technol., 94(3), 299 (2004)

[7] Kumar KV, Ramamurthi V, Sivanesan S, J. Colloid Interface Sci., 284(1), 14 (2005)

[8] Janos P, Buchtova H, Ryznarova M, Water Research., 37, 4938 (2003)

[9] Garg VK, Amita M, Kumar R, Dyes and Pigments., 63, 243 (2004)

[10] Chiou MS, Li HY, Journal of Hazardous Materials., B93, 233 (2002)

[11] Yavuz O, Aydin AH, Polish Journal of Environmental Studies., 15(1), 155 (2006)

[12] Reyad A, Tutunji F, Applied Clay Science., 24, 111 (2003)

[13] Atef SA, American Journal of Applied Sciences., 6(6), 1047 (2009)

[14] Aydin AH, Yavuz O, Indian J. Chem. Technol., 11(1), 89 (2004)

[15] Essawy H, El-Nashar D, Polymer Testing., 23(7), 803 (2004)

[16] Sudip R, Anil KK, Bhowmick SA, Sarma BV, Majali K, Radiation Physics and Chemistry., 65(6), 627 (2006)

[17] Tahir SS, Naseem R, Chemosphere., 63, 1842 (2006)

[18] Ho YS, Chiang CC, Hsu YC, Sep. Sci. Technol., 36(11), 2473 (2001)