kinetic studies and influence of pH in the biosorption of Pb (II) and Cu (II) in aqueous solutions with biomass of Zantedeschia aethiopica.

Authors

  • Jesús David Gelvez Ordoñez Universidad Pedagógica y Tecnológica de Colombia UPTC
  • Eduard Cáceres Osorio Universidad Pedagógica y Tecnológica de Colombia UPTC

Keywords:

Heavy metals Langergen kinetic model, kinetic model of Ho, Removal, linearized models

Abstract

Biosorption technology emerges as a favorable economic and environment employed for the removal of toxic contaminants such as heavy metals due to some functional groups present in the biomass that confer capabilities trap contaminants. The present study evaluated the influence of pH and biosorption kinetics of lead and copper in synthetic solutions Zantedeschia aethiopica biomass, Langergen models using first-order and pseudo-first order model and pseudo second order Ho. Values of pH tested, pH 3.0 was optimal for a lead biosorption 98.395 % and pH 4.0 for copper biosorption 51.85 % for an initial concentration of 25 mg / L of each metal. The mechanism was described by Ho kinetic model using pseudo second order correlation coefficients (R2 values higher than 0.99) and linearized models.

Author Biographies

Jesús David Gelvez Ordoñez, Universidad Pedagógica y Tecnológica de Colombia UPTC

Biólogo Estudiante Maestría en Ciencias Biológicas Universidad Pedagógica y Tecnológica de Colombia – UPTC

Eduard Cáceres Osorio, Universidad Pedagógica y Tecnológica de Colombia UPTC

Microbiólogo Estudiante Maestría en Ciencias Biológicas Universidad Pedagógica y Tecnológica de Colombia – UPTC

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How to Cite

Gelvez Ordoñez, J. D., & Cáceres Osorio, E. (2013). kinetic studies and influence of pH in the biosorption of Pb (II) and Cu (II) in aqueous solutions with biomass of Zantedeschia aethiopica. Cultura científica, (11), 117–122. Retrieved from https://revista.jdc.edu.co/index.php/Cult_cient/article/view/182

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Published

2013-10-28

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Article of scientific and technological research