Adsorption Isotherms and Thermodynamics Studies for the Removal Methyl Orange from Wastewaters Using Multiwalled Carbon Nanotubes

Donglin Zhao; Yi Ding; Shaohua Chen; Manli Wang; Xianglu Zhang

doi:10.14233/ajchem.2014.17254

Issue

Vol. 26 No. 5 (2014): Vol 26 Issue 5

Issue Published : March 1, 2014

This work is licensed under a Creative Commons Attribution 4.0 International License.

Adsorption Isotherms and Thermodynamics Studies for the Removal Methyl Orange from Wastewaters Using Multiwalled Carbon Nanotubes

https://doi.org/10.14233/ajchem.2014.17254

Donglin Zhao

School of Materials and Chemical Engineering, Anhui Jianzhu University, Hefei 230601, P.R. China

Yi Ding

School of Materials and Chemical Engineering, Anhui Jianzhu University, Hefei 230601, P.R. China

Shaohua Chen

School of Materials and Chemical Engineering, Anhui Jianzhu University, Hefei 230601, P.R. China

Manli Wang

School of Materials and Chemical Engineering, Anhui Jianzhu University, Hefei 230601, P.R. China

Xianglu Zhang

School of Materials and Chemical Engineering, Anhui Jianzhu University, Hefei 230601, P.R. China

Corresponding Author(s) : Donglin Zhao

zhaodlin@126.com

Asian Journal of Chemistry, Vol. 26 No. 5 (2014): Vol 26 Issue 5
Article Published : March 4, 2014

Abstract

In this study, the adsorption of methyl orange on multiwalled carbon nanotubes from aqueous solutions was investigated in a batch stirred cell. The equilibrium adsorption data were analyzed using two common adsorption models: Langmuir and Freundlich. The results showed that Langmuir isotherm fit the experimental results well. Different thermodynamic parameters like enthalpy (DHº), Gibb’s free energy (DGº) and entropy (DSº) of the undergoing process were also evaluated through two adsorption models. The thermodynamic parameters (DHº, DSº and DGº) calculated from the temperature dependent adsorption isotherms indicated that the adsorption process of methyl orange on multiwalled carbon nanotubes was endothermic and spontaneous.

Keywords

Adsorption Carbon nanotube Methyl orange Thermodynamics

Zhao, D., Ding, Y., Chen, S., Wang, M., & Zhang, X. (2014). Adsorption Isotherms and Thermodynamics Studies for the Removal Methyl Orange from Wastewaters Using Multiwalled Carbon Nanotubes. Asian Journal of Chemistry, 26(5), 1440–1442. https://doi.org/10.14233/ajchem.2014.17254

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References

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References

Z.M. Shen, D. Wu, J. Yang, T. Yuan, W.H. Wang and J. Jia, J. Hazard. Mater., 131, 90 (2006); doi:10.1016/j.jhazmat.2005.09.010.

J.-S. Chang, C. Chou, Y.-C. Lin, P.-J. Lin, J.-Y. Ho and T.L. Hu, Water Res., 35, 2841 (2001); doi:10.1016/S0043-1354(00)00581-9.

N.C.G. Tan, F.X. Prenafeta-Boldu, J.L. Opsteeg, G. Lettinga and J.A. Field, Appl. Microbiol. Biotechnol., 51, 865 (1999); doi:10.1007/s002530051475.

N. Mohammadi, H. Khani, V.K. Gupta, E. Amereh and S. Agarwal, J. Colloid Interf. Sci., 362, 457 (2011); doi:10.1016/j.jcis.2011.06.067.

S.H. Chen, J. Zhang, C.L. Zhang, Q.Y. Yue, Y. Li and C. Li, Desalination, 252, 149 (2010); doi:10.1016/j.desal.2009.10.010.

T.A. Saleh and V.K. Gupta, J. Colloid Interf. Sci., 371, 101 (2012); doi:10.1016/j.jcis.2011.12.038.

N. de Jonge, Y. Lamy, K. Schoots and T.H. Oosterkamp, Nature, 420, 393 (2002); doi:10.1038/nature01233.

M.S. Mauter and M. Elimelech, Environ. Sci. Technol., 42, 5843 (2008); doi:10.1021/es8006904.

G.P. Rao, C. Lu and F. Su, Sep. Purif. Technol., 58, 224 (2007); doi:10.1016/j.seppur.2006.12.006.

A. Mittal, A. Malviya, D. Kaur, J. Mittal and L. Kurup, J. Hazard. Mater., 148, 229 (2007); doi:10.1016/j.jhazmat.2007.02.028.

G.D. Sheng, D.D. Shao, X.M. Ren, X.Q. Wang, J.X. Li, Y.X. Chen and X.K. Wang, J. Hazard. Mater., 178, 505 (2010); doi:10.1016/j.jhazmat.2010.01.110.

B.H. Hameed and A.A. Ahmad, J. Hazard. Mater., 164, 870 (2009); doi:10.1016/j.jhazmat.2008.08.084.

I. Langmuir, J. Am. Chem. Soc., 40, 1361 (1918); doi:10.1021/ja02242a004.

H.M.F. Freundlich, J. Phys. Chem., 57, 385 (1906).

N. Mohammadi, H. Khani, V.K. Gupta, E. Amereh and S. Agarwal, J. Colloid Interf. Sci., 362, 457 (2011); doi:10.1016/j.jcis.2011.06.067.

S. Asuha, X.G. Zhou and S. Zhao, J. Hazard. Mater., 181, 204 (2010); doi:10.1016/j.jhazmat.2010.04.117.

Issue

Vol. 26 No. 5 (2014): Vol 26 Issue 5

Adsorption Isotherms and Thermodynamics Studies for the Removal Methyl Orange from Wastewaters Using Multiwalled Carbon Nanotubes

Corresponding Author(s) : Donglin Zhao

Abstract

Keywords

Full Article

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