<b>Comparative study of the adsorption of cadmium and zinc on activated bone char

Autores

  • Pedro Henrique Rodrigues da Silva Universidade Federal de Goiás
  • Jéssica Gonçalves Barbosa Universidade Federal de Goiás
  • Rodrigo Augusto Barella Universidade Estadual do Oeste do Paraná
  • Anderson Barros Caixeta Araújo Universidade Federal de Goiás
  • Indianara Conceição Ostroski Universidade Federal de Goiás

DOI:

https://doi.org/10.4025/actascitechnol.v39i2.30188

Palavras-chave:

equilibrium data, heavy metals, mathematical model.

Resumo

The goal of this work was to study the adsorption equilibrium of ions Zn2+ and Cd2+ using bovine bone char in fixed bed columns. Dynamic tests were performed with upstream flow fixed bed column, at 30oC and average particle diameter of 0.08 mm. Initially, the optimal operating flow rate was determined, which was 4 mL min.-1 for both metals. The dynamic isotherms, obtained by mass balance in the breakthrough curves, were fitted to the Langmuir and Freundlich models. Simulations of the dynamics of ion adsorption provided satisfactory results, wherein the mass transfer coefficient was directly affected by the inflow concentration of ions, within the range of the study.

 

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Publicado

2017-05-15

Como Citar

Silva, P. H. R. da, Barbosa, J. G., Barella, R. A., Araújo, A. B. C., & Ostroski, I. C. (2017). <b>Comparative study of the adsorption of cadmium and zinc on activated bone char. Acta Scientiarum. Technology, 39(2), 215–222. https://doi.org/10.4025/actascitechnol.v39i2.30188

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Engenharia Quí­mica

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