A Study on Removal of Toluidine Blue Dye from Aqueous Solution by Adsorption onto Neem Leaf Powder
Adsorption of Toluidine blue dye from aqueous solutions onto Neem Leaf Powder (NLP) has been investigated. The surface characterization of this natural material was examined by Particle size analysis, Scanning Electron Microscopy (SEM), Fourier Transform Infrared (FTIR) spectroscopy and X-Ray Diffraction (XRD). The effects of process parameters such as initial concentration, pH, temperature and contact duration on the adsorption capacities have been evaluated, in which pH has been found to be most effective parameter among all. The data were analyzed using the Langmuir and Freundlich for explaining the equilibrium characteristics of adsorption. And kinetic models like pseudo first- order, second-order model and Elovich equation were utilized to describe the kinetic data. The experimental data were well fitted with Langmuir adsorption isotherm model and pseudo second order kinetic model. The thermodynamic parameters, such as Free energy of adsorption (AG"), enthalpy change (AH') and entropy change (AS°) were also determined and evaluated.
Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1057881Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 1387
 A. Alaton, G. Insel, G. Eremektar, F. G. Babuna and D. Orhon, "Effect of textile auxiliaries on the biodegradation of dyehouse effluent in activated sludge", Chemosphere, vol. 62, pp. 1549-1557, March 2006.
 V. Jaikumar and V. Ramamurthi, "Optimization of Batch Process Parameters by Response Surface Methodology for Colour Removal Using Spent Brewery Grains", in Proc. ICERT 2008 conf. Penang, Malaysia 2008.
 S. Kalyuzhnyi and V. Sklyar, "Biomineralization of azo dyes and their breakdown products in anaerobic-aerobic hybrid and UASB reactor", Wat. Sci. Technol., vol. 41, no. 12, pp. 23-30, 2000.
 N. L. Nemerow, "Industrial water pollution Origin, characteristics and Treatment", Reading Mass, Adison-Wesley Publication Co., 1978, pp. 529-549.
 H. F. Lund, "Industrial Pollution Control Handbook", McGraw Hill Co., New York, 1971.
 G. Toffani and R. Serfws, "Ozone, A clean efficient oxidizing agent for the treatment of industrial effluents", Proc. 3rd Industrial wastewater Conf., Tehran, Iran, 1991.
 B. Yu, Y. Zhang, A. Shukla, S. S. Shukla and K. L. Dorris, "The removal of heavy metal from aqueous solutions by sawdust adsorption-removal of copper", J. Hazard. Mater., vol. 80, issue 1-3, pp, 33-42, December 2000.
 M. Ozacar and I. A. Sengil, "Adsorption of reactive dyes on calcined alunite from aqueous solutions", J. Hazard. Mater., vol 98, issues 1-3, pp. 211-224, March 2003.
 B. Rubio, M. T. Izquierdo, M. C. Mayoral, M. T. Bona and R. M. Martinez-Tarazona, "Preparation and characterization of carbon-enriched coal fly ash", J. Environ. Manage., vol. 88, issue 4, pp. 1562¬1570, September 2008.
 D. Karadag, M. Turan, E. Akgul, S. Tok and F. Aysegul, "Adsorption Equilibrium and Kinetics of Reactive Black 5 and Reactive Red 239 in Aqueous Solution onto Surfactant-Modified Zeolite", J. Chem. Eng. Data., vol 53,vol. 1, pp. 322-323, 2008.
 S. Wang, H. Li, S. Xie, S. Liu and L. Xu, "Physical and chemical regeneration of zeolitic adsorbents for dye removal in wastewater treatment", Chemosphere, vol 65, issue 1, pp. 82-87, September 2006.
 S. Wang, Y. Boyjoo and A. Chouaib, "A comparative study of dye removal using fly ash treated by different methods", Chemosphere, vol. 60, issue 10, pp. 1401-1407, September 2005.
 B. Armagan, 0. Ozdemir, M. Turan and M. S. Celik, "Clay Mineral Batch Process for Color Removal of Textile Wastewaters", J. Environ. Sci. Heal. A, vol. 38, issue 10, pp. 2251 - 2258, October 2003.
 M. Wainwright, "The development of phenothiazinium photosensitisers", Photodiagn. Photodyn. Ther., vol. 2, issue 4, pp. 263¬272, December 2005.
 S. K. Alpat, 0. Ozbayrak, S. Alpat and H. Akcay, "The adsorption kinetics and removal of cationic dye, Toluidine Blue 0, from aqueous solution with Turkish Zeolite", J. Hazard. Mater., vol. 151, issue 1, pp. 213-220, February 2008.
 M. A. Rauf, S. M. Qadri, S. Ashraf and K. M. Al-Mansoori, "Adsorption studies of Toluidine Blue from aqueous solutions onto gypsum", Chem. Eng. J., vol. 150, issue 1, pp. 90-95, July 2009.
 P. Venkateswarlu, R. M., Venkata, D. S. Rao and M. V. Rao, "Removal of chromium from an aqueous solution using Azadirachta indica (neem) leaf powder as an adsorbent", Int. J. Phys. Sci., vol. 2, issue 8, pp. 188¬195, August 2007
 P. S. B. Immich, A. A. Mundim, U. De Souza and S. M. A. G. U. De Souza, « Color removal from textile effluent using Azadirachta indica leaf powder as an adsorbent" Proc. of European Congress of Chemical Engineering (ECCE-6), Copenhagen, 2007.
 Prahas, Y. Kartika, N. Indraswami and S. Ismadji, "The Use of Activated Carbon Prepared from Jackfruit (Artocarpus heterophyllus) Peel Waste for Methylene Blue Removal", J. Environ. Prot. Sci., vol 2, pp. 1-10, 2008.
 V. Ponnusami, S. Vikram and S. N. Srivastava, "Guava (Psidium guajava) leaf powder Novel adsorbent for removal of methylene blue from aqueous solutions", J. Hazard. Mater., vol 152, issue 1, pp. 276¬286, March 2008.
 Bulut, M. Ozacar and I. A. Sengil, "Adsorption of malachite green onto bentonite Equilibrium and kinetic studies and process design", Micropor. Mesopor. Mat., vol 115, issue 3, pp. 234-246, November 2008.
 M. Ozacar, E Bulut, and I. A. Sengil, "Equilibrium and kinetic data and process design for adsorption of Congo Red onto Bentonite", J. Hazard. Mater., vol. 154, issue 1-3, pp. 613-622, June 2008.
 A. Khenifi, Z. Bouberka, F. Sekrane, M. Kameche and Z. Derriche, "Adsorption study of an industrial dye by an organic clay", Adsorption, vol. 13, no 2, pp. 149-158, April 2007.
 M. Ozacar and I. A Sengil, "Adsorption of metal complex dyes from aqueous solutions by pine sawdust", Bioresour. Technol., vol 96, issue 7, pp. 791-795, May 2005.
 L. D'Ilario, I. Francolini, A. Martinelli and A. Piozzi, "Insight into the Heparin-Toluidine Blue (C.I. Basic Blue 17) interaction", Dyes Pigments, vol. 80, issue 3, pp. 343-348, March 2009.
 G. K. Nagda and V. S. Ghole, "Utilization of Lignocellulosic Waste from Bidi Industry for Removal of Dye from Aqueous Solution", Int. J. Environ. Res., vol 2, no 4, pp. 385-390, 2008.
 S. Venkata Mohan, N. C. Rao and J. Karthikeyan, "Adsorptive removal of direct azo dye from aqueous phase onto coal based sorbents: a kinetic and mechanistic study", J. Hazard. Mater., vol. 90, issue 2, pp. 189-204, March 2002.