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Role of b-Cyclodextrin in Enhanced Photocatalytic Decolorization of Metanil Yellow Dye with TiO2
Corresponding Author(s) : N. Uma Sangari
Asian Journal of Chemistry,
Vol. 30 No. 10 (2018): Vol 30 Issue 10, 2018
Abstract
Photocatalytic decolorization of metanil yellow dye (azo dye) in aqueous solution was performed using pure TiO2 and TiO2-b-cyclodextrin catalysts. The photocatalytic decolorization of metanil yellow was carried out under UV light irradiation for 60 min. TiO2-b-cyclodextrin system showed higher decolorization efficiency than pure TiO2. The effect of significant operational parameters such as initial concentration of dye, catalysts loading, initial pH of dye solution and irradiation time were investigated. The photocatalytic decolorization by TiO2 and TiO2-b-cyclodextrin systems followed Langmuir-Hinshelwood mechanism. The mechanism of enhanced photodecolorization of metanil yellow in presence of b-cyclodextrin is proposed.
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References
Y.Y. Gurkan, E. Kasapbasi and Z. Cinar, Chem. Eng. J., 214, 34 (2013); https://doi.org/10.1016/j.cej.2012.10.025.
S. Senthilvelan, V.L. Chandraboss, B. Karthikeyan, L. Natanapatham and M. Murugavelu, Mater. Sci. Semicond. Process., 16, 185 (2013); https://doi.org/10.1016/j.mssp.2012.04.018.
M.A. Saepurahman, M.A. Abdullah and F.K. Chong, J. Hazard. Mater., 176, 451 (2010); https://doi.org/10.1016/j.jhazmat.2009.11.050.
C. Sahoo, A. Gupta and A. Pal, Dyes Pigments, 66, 189 (2005); https://doi.org/10.1016/j.dyepig.2004.09.003.
U.G. Akpan and B.H. Hameed, J. Hazard. Mater., 170, 520 (2009); https://doi.org/10.1016/j.jhazmat.2009.05.039.
Z. Mesgari, M. Gharagozlou, A. Khosravi and K. Gharanjig, Appl. Catal. A Gen., 411-412, 139 (2012); https://doi.org/10.1016/j.apcata.2011.10.031.
S. Valencia, X. Vargas, L. Rios, G. Restrepo and J.M. Marín, J. Photochem. Photobiol. Chem., 251, 175 (2013); https://doi.org/10.1016/j.jphotochem.2012.10.025.
M.Y. Xing, W.Z. Fang, M. Nasir, Y. Ma, J. Zhang and M. Anpo, J. Catal., 297, 236 (2013); https://doi.org/10.1016/j.jcat.2012.10.014.
P. Mura, J. Pharm. Biomed. Anal., 101, 238 (2014); https://doi.org/10.1016/j.jpba.2014.02.022.
M. Chen, G. Diao and E. Zhang, Chemosphere, 63, 522 (2006); https://doi.org/10.1016/j.chemosphere.2005.08.033.
G. Wang, F. Wu, X. Zhang, M. Luo and N. Deng, Fresenius Environ. Bull., 15, 61 (2006).
P.P. Nath, K. Sarkar, P. Tarafder and G. Paul, Int. J. Pharma Bio Sci., 4, 685 (2013).
S. Naskar, S.A. Pillay and M. Chanda, J. Photochem. Photobiol. Chem., 113, 257 (1998); https://doi.org/10.1016/S1010-6030(97)00258-X.
C.F. Cano-Guzmán, J.P. Pérez-Orozco, I. Hernández-Pérez, L. GonzálezReyes, V. Garibay-Febles and R. Suárez-Parra, J. Textile Sci. Eng., 4, 155 (2014); https://doi.org/10.4172/2165-8064.1000155.
N.U. Sangari, B. Jothi, S.C. Devi and S. Rajamani, J. Water Process Eng., 12, 1 (2008); https://doi.org/10.1016/j.jwpe.2016.05.011.
S. Chakrabarti and B.K. Dutta, J. Hazard. Mater., 112, 269 (2004); https://doi.org/10.1016/j.jhazmat.2004.05.013.
N.M. Mahmoodi, M. Arami, N.Y. Limaee, K. Gharanjig and F.D. Ardejani, Colloids Surf. A Physicochem. Eng. Asp., 290, 125 (2006); https://doi.org/10.1016/j.colsurfa.2006.05.012.
J. Bandara, K. Tennakone and P.P.B. Jayatilaka, Chemosphere, 49, 439 (2002); https://doi.org/10.1016/S0045-6535(02)00306-5.
J.H. Zeng, B.B. Jin and Y.F. Wang, Chem. Phys. Lett., 472, 90 (2009); https://doi.org/10.1016/j.cplett.2009.02.082.
S. Pitchaimuthu, S. Rajalakshmi, N. Kannan and P. Velusamy, Appl. Water Sci., 5, 201 (2015); https://doi.org/10.1007/s13201-014-0181-y.
S. Rajalakshmi, S. Pitchaimuthu, N. Kannan and P. Velusamy, Desal. Water Treat., 52, 3432 (2014); https://doi.org/10.1080/19443994.2013.809024.