Removal of Cu(II) from aqueous solutions by recycled tire rubber

F. Calisir; F. R. Roman; L. Alamo; O. Perales; M. A. Arocha; S. Akman

doi:10.1016/j.desal.2008.07.029

Removal of Cu(II) from aqueous solutions by recycled tire rubber

F. Calisir^*, F. R. Roman, L. Alamo, O. Perales, M. A. Arocha, S. Akman

^*Corresponding author for this work

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

A batch adsorption system was applied to study the adsorption of Cu(II) ions from aqueous solutions by crumb rubber. The effects of pH ranging from 1.5 to 7.0, contact time ranging from 6 to 96 h and initial metal concentration ranging from 1 mg L^{- 1} to 50 mg L^{- 1} on the removal of Cu(II) were studied. Results show that adsorption of Cu(II) is pH-dependent and the best results are obtained at pH = 6.0. Results also show that copper uptake is accompanied by displacement of zinc and therefore probably involves an ion exchange type mechanism. Langmuir and Freundlich adsorption models were applied to describe the isotherms and isotherm constants. Equilibrium data agreed very well with the Langmuir model. Results clearly show that crumb rubber is an effective adsorbent for the removal of Cu(II) from aqueous solutions.

Original language	English
Pages (from-to)	515-518
Number of pages	4
Journal	Desalination
Volume	249
Issue number	2
DOIs	https://doi.org/10.1016/j.desal.2008.07.029
Publication status	Published - 15 Dec 2009

Keywords

Adsorption isotherms
Copper
Crumb rubber
Metal adsorption

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10.1016/j.desal.2008.07.029

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title = "Removal of Cu(II) from aqueous solutions by recycled tire rubber",

abstract = "A batch adsorption system was applied to study the adsorption of Cu(II) ions from aqueous solutions by crumb rubber. The effects of pH ranging from 1.5 to 7.0, contact time ranging from 6 to 96 h and initial metal concentration ranging from 1 mg L- 1 to 50 mg L- 1 on the removal of Cu(II) were studied. Results show that adsorption of Cu(II) is pH-dependent and the best results are obtained at pH = 6.0. Results also show that copper uptake is accompanied by displacement of zinc and therefore probably involves an ion exchange type mechanism. Langmuir and Freundlich adsorption models were applied to describe the isotherms and isotherm constants. Equilibrium data agreed very well with the Langmuir model. Results clearly show that crumb rubber is an effective adsorbent for the removal of Cu(II) from aqueous solutions.",

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AU - Calisir, F.

AU - Roman, F. R.

AU - Alamo, L.

AU - Perales, O.

AU - Arocha, M. A.

AU - Akman, S.

PY - 2009/12/15

Y1 - 2009/12/15

N2 - A batch adsorption system was applied to study the adsorption of Cu(II) ions from aqueous solutions by crumb rubber. The effects of pH ranging from 1.5 to 7.0, contact time ranging from 6 to 96 h and initial metal concentration ranging from 1 mg L- 1 to 50 mg L- 1 on the removal of Cu(II) were studied. Results show that adsorption of Cu(II) is pH-dependent and the best results are obtained at pH = 6.0. Results also show that copper uptake is accompanied by displacement of zinc and therefore probably involves an ion exchange type mechanism. Langmuir and Freundlich adsorption models were applied to describe the isotherms and isotherm constants. Equilibrium data agreed very well with the Langmuir model. Results clearly show that crumb rubber is an effective adsorbent for the removal of Cu(II) from aqueous solutions.

AB - A batch adsorption system was applied to study the adsorption of Cu(II) ions from aqueous solutions by crumb rubber. The effects of pH ranging from 1.5 to 7.0, contact time ranging from 6 to 96 h and initial metal concentration ranging from 1 mg L- 1 to 50 mg L- 1 on the removal of Cu(II) were studied. Results show that adsorption of Cu(II) is pH-dependent and the best results are obtained at pH = 6.0. Results also show that copper uptake is accompanied by displacement of zinc and therefore probably involves an ion exchange type mechanism. Langmuir and Freundlich adsorption models were applied to describe the isotherms and isotherm constants. Equilibrium data agreed very well with the Langmuir model. Results clearly show that crumb rubber is an effective adsorbent for the removal of Cu(II) from aqueous solutions.

KW - Adsorption isotherms

KW - Copper

KW - Crumb rubber

KW - Metal adsorption

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Removal of Cu(II) from aqueous solutions by recycled tire rubber

Abstract

Keywords

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