Adsorption studies of cyanide onto activated carbon and γ-alumina impregnated with cooper ions
ABSTRACT
In this research, adsorption of cyanide onto cata- lyst synthesized with activated carbon and γ- alumina used supported and cooper has been studied by means of batch technique. Percentage adsorption was determined for this catalyst in function of pH, adsorbate concentration and temperature. Adsorption data has been interpret- ed in terms of Freundlich and Langmuir equa-tions. Thermodynamics parameters for the ad-sorption system have been determined at three different temperatures.
In this research, adsorption of cyanide onto cata- lyst synthesized with activated carbon and γ- alumina used supported and cooper has been studied by means of batch technique. Percentage adsorption was determined for this catalyst in function of pH, adsorbate concentration and temperature. Adsorption data has been interpret- ed in terms of Freundlich and Langmuir equa-tions. Thermodynamics parameters for the ad-sorption system have been determined at three different temperatures.
Cite this paper
Giraldo, L. and Moreno-Piraján, J. (2010) Adsorption studies of cyanide onto activated carbon and γ-alumina impregnated with cooper ions. Natural Science, 2, 1066-1072. doi: 10.4236/ns.2010.210132.
Giraldo, L. and Moreno-Piraján, J. (2010) Adsorption studies of cyanide onto activated carbon and γ-alumina impregnated with cooper ions. Natural Science, 2, 1066-1072. doi: 10.4236/ns.2010.210132.
References
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[1] Abell, M.L. and Barselton, P.J. (1974) The maple V handbook. AP Professional, New York. [2] Contescu, C., Jagiello, J. and Schwarz, J.A. (1995) Proton affinity distributions: A scientific basis for the design and construction of supported metal catalysts. Preparation of Catalysts VI, Scientific Bases for the Preparation of Heterogeneous Catalysts, Elsevier Science, New York. [3] Cooper, D. and Plane, A.R. (1966) Cyanide complexes of copper with ammonia and ethylenediamine. Inorganic Chemistry, 5, 1677-1681. [4] Gupta, A., Johnson, E.F. and Schlossel, R.H. (1987) Investigation into the ion exchange of the cyanide complexes of Zinc(II), Cadmium(II), and Copper(I) Ions. Industrial Engineering Chemistry Research, 26, 588-597. [5] Hogfeldt, E. (1982) Stability constants of metal-ion complexes: part A: inorganic ligands, Pergamon Press, Oxford. [6] Riley, T.C. and Semmens, J.M. (1994) Recovery of cadmium and cyanide using a combination of ion exchange and membrane extraction. Plating and Surface Finishing, 81, 46-54. [7] Tan, T.C. and Teo, W.K. (1987) Destruction of cyanides by thermal hydrolysis. Plating and Surface Finishing, 74, 70-76. [8] Tien, C. (1994) Adsorption calculations and modeling. Butterworth-heinemann series in chemical engineering, Butterworth Heinemann, Boston. [9] Wedl, A.G. and Fulk, J.D. (1991) Cyanide destruction in plating sludges by hot alkaline chlorination. Metal Finish, 89, 33-38. [10] Gupta, C.G. and Murkherjee, T.K. (2001) Hydrometallurgy in extraction process, CRC press, Florida. [11] Zhou, C.D. and Chin, D.T. (1994) Continuous electrolytic treatment of complex metal cyanides with a rotating barrel plater as the cathode and a packed bed as the anode. Plating and Surface Finishing, 81, 70-81. [12] Gill, J.B., Gans, P., Dougal, J.C. and Johnson, L.H. (1991) Cyano and thiocyano complexation in solutions of noble metals, Reviews in Inorganic Chemistry, 11, 177-182. [13] Bhakta, D., Shukla, S.S. and Margrave, L.J. (1992) A novel photocatalytic method for detoxification of cyanide wastes. Environmental Science & Technology, 26, 625- 634. [14] Bhargava, S., Tardío, J., Prasad, J., F?ger, K., Akolekar, D. and Grocott, S. (2006) Wet oxidation and catalytic wet oxidation. Industrial & Engineering Chemical Research, 45, 1221-1234. [15] Lei, L., Hu, X., Chen, G., Porter, J.F. and Yue, P.L. (2000) Wet air oxidation of desizing wastewater from textile industry. Industrial & Engineering Chemical Research, 39, 2896-2905. [16] Mantzavinos, D., Hellenbrand, R., Livingston, A.G. and Metcalfe, I.S. (1996) Catalytic wet air oxidation of pol- yethylene glycol. Applied Catalysis B: Environmental, 11, 99-107. [17] Kolaczkowski, S.T., Plucinski, P., Beltran, F.J., Rivas, F. J., and Mc Lurgh, D.B. (1999) Wet air oxidation: A review of process technologies and aspects in reactor design, Chemical Engineering Journal, 73, 143-152. [18] Luck, F. (1999) Wet air oxidation: Past, present and future. Catalysis Today, 53, 81-89. [19] Pintar, A. (2003) Catalytic process for the purification of drinking water and industrial effluents. Catalysis Today, 77, 451-462. [20] Fortuny, A., Bengoa, C., Font, J., Catells, F. and Fabregat, A. (1999) Water pollution abatement by catalytic wet air oxidation in a trickle bed reactor, Catalysis Today, 53, 107-112. [21] Deiana, A.C., Granados, D., Petkovic, L.M., Sardella, M. F. and Silva, H.S. (2004) Use of grape must binder to obtain activated carbon briquettes. Brazilian Journal of Chemical Engineering, 21, 585-592. [22] Moreno-Piraján, J.C. and Giraldo, L. (2010) Study of activated carbons by pyrolysis of cassava peel in the presence of chloride zinc. Journal of Analytical and Applied and Pyrolysis, 87(2), 288-290. [23] Moreno-Piraján, J.C. and Giraldo, L. (2010) Adsorption of copper from aqueous solution by activated carbons obtained by pyrolysis of cassava peel. Journal of Analytical Applied and Pyrolysis, 7(2), 188-193. [24] Rodríguez-Reinoso F. (1998) The role of carbon materials in heterogeneous catalysis, Carbon, 36, 159-164.