Acid-base properties of Lentinus edodes and Cadmium (II) biosorption kinetics
Main Article Content
Abstract
Cadmium biosorption by the edible mushroom, Lentinus edodes, was evaluated from two points of view: acid-base properties of the adsorbent and kinetics of the process. The number of acidic groups and the apparent ionization constant were potentiometrically determined. The ionization constant values completely agree with values typically associated with other carboxylated polysaccharides’ ionization, verifying their implication in the adsorption. Effects of pH, adsorbent dose and ionic strength were also studied, observing no impacts on the time required for reaching the equilibrium. Furthermore, a strong pH effect as well as a negative ionic strength input is observed in the metal removal. On the other hand, no proportionality between increasing adsorbent dose and metal adsorption was observed. The maximum metal elimination was reached experimentally at pH 4 with no ionic strength.
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How to Cite
Navarro, A. E. (2006). Acid-base properties of Lentinus edodes and Cadmium (II) biosorption kinetics. Revista Latinoamericana De Recursos Naturales, 2(2), 47-54. Retrieved from https://revista.itson.edu.mx/index.php/rlrn/article/view/79
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Original Article
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
References
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Ariff A., Mel M., Hasan M. y Karim M. 1999. The kinetics and mechanism of lead (II) biosorption by powderized Rhizopus oligosporus. World Journal of Microbiology and Biotechnology, 15: 291-298.
Blanco D., Llanos B., Cuizano N., Maldonado H. y Navarro AE. 2005. Optimización de la Adsorción de Cadmio divalente en Lessonia trabeculata mediante reticulación con CaCl2. Revista de la Sociedad Química del Perú, 71: 237-245.
Chen G., Zeng G., Tu X., Niu C., Huang G.,y Jiang W. 2006. Application of a by-product of Lentinus edodes to the bioremediation of chromate contaminated water. Journal of Hazardous Materials, 135: 249-255.
Flores J., Navarro AE., Ramos K., Chang L., Ale N.L.M. y Maldonado H. 2005. Adsorción de Cu (II) por quitosano en polvo y perlas de gel. Revista de la Sociedad Química del Perú, 71: 17-25.
Guibal E., Roulph C. y Le Cloirec P. 1995. Infrared Spectroscopic Study of Uranyl Biosorption by fungal biomass and materials of biological origin. Environmental Science and Technology, 29: 2496-2503.
Haug A. 1961. The affinity of some divalent metals to different types of alginates. Acta Chemica Scandinavica, 15, 8, 950.
Ho YS., Ng J. y McKay G. 2000. Kinetics of pollutant sorption by biosorbents. Review of Separations and Purification Methods, 29: 189-232.
Katchalsky A., Shavit N. y Eisenberg H. 1954. Dissociation of weak polymeric acids and bases. Journal of Polymer Science B, 13: 69-84.
Li Y., Di Z., Ding J., Wu D., Luan Z. y Zhu Y. 2005. Adsorption thermodynamic, kinetic and desorption studies of Pb2+ on carbon nanotubes. Water Research, 39: 605-609.
Loukidou M., Karapantsios T., Zouboulis A. y Matis K. 2005. Cadmium (II) Biosorption by Aeromonas caviae: Kinetic Modeling. Separation Science Technology, 40: 1293-1311.
Mathialagan T., Viraraghavan T. y Cullimore D. 2003. Adsorption of cadmium from aqueous solutions by edible mushrooms. Water Quality Research Journal of Canada, 38: 499-514.
Miretzky P., Saralegui A. y Cirelli A. 2006. Simultaneous heavy metal removal mechanism by dead macrophytes. Chemosphere, 62: 247-254.
Navarro AE., Blanco D., Llanos B., Flores J. y Maldonado H. 2004. Bioremoción de Cadmio (II) por desechos de algas marinas. Optimización del Equilibrio y Propuesta de Mecanismo. Revista de la Sociedad Química del Perú, 70: 147-157.
Navarro AE., Ramos K., Campos K., Llanos B. y Maldonado H. 2005. Contribución del pH en la remoción de iones tóxicos de soluciones acuosas. Revista de Química, PUCP. XIX: 53-59.
Nriagu J. 1996. A History of Global Metal Pollution. Science, 272: 222-225.
Ramos K. Navarro AE., Chang L. y Maldonado H. 2004, Evaluación de nuevos biosorbentes para la remoción de cadmio (II): Estructura vs. Capacidad de Adsorción. Revista de la Sociedad Química del Perú, 70: 137-146.
Rey-Castro C., Lodeiro P., Herrero R. y Sastre de Vicente M. 2003. Acid-base properties of brown seaweed biomass considered as a Donnan Gel. A model reflecting electrostatic effects and chemical heterogeneity. Environmental Science and Technology, 37: 5159-67.
Reyes E., Cerino F. y Suárez M. 2006, Remoción de metales pesados con carbón activado como soporte de biomasa. Ingenierías, IX: 59-64.
Rojas G., Silva J., Flores J., Rodriguez A., L.M. y Maldonado H. 2005. Adsorption of chromium onto cross-linked chitosan. Separation and Purification Technology, 44: 31-36.
WHO. 1992, Cadmium, Environmental Aspects. WHO, Finlandia.
Volesky B. 2001. Detoxification of metal-bearing effluents: biosorption for the next century. Hydrometallurgy, 59: 203-216.
Vieira R. y Volesky B. 2000. Biosorption: a solution to pollution? International Microbiology, 3: 17-24.