Possibility of using by-products of the steelmaking industry for removing lead from aqueous solutions

Authors

  • M. I. Martín Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Química, Universidad Carlos III de Madrid
  • F. A. López Departamento de Metalurgia Primaria y Reciclado de Materiales, Centro Nacional de Investigaciones Metalúrgicas (CENIM)
  • F. J. Alguacil Departamento de Metalurgia Primaria y Reciclado de Materiales, Centro Nacional de Investigaciones Metalúrgicas (CENIM)

DOI:

https://doi.org/10.3989/revmetalm.2008.v44.i3.114

Keywords:

Rolling mill scale, Blast furnace sludge, Lead, Adsorption, Adsorption isotherms

Abstract


A study is made of the use of two steelmaking industry by-products (rolling mill scale and blast furnace sludge) as adsorbent materials for removing Pb2+ ions from aqueous solutions. The adsorption of Pb2+ on these materials has been studied by the determination of adsorption isotherms. Several variables that affect the process (contact time, initial lead ion concentration and temperature) were evaluated. The adsorption processes are analysed using the Langmuir theory. Desorption processes for the metal from loaded by-products were also studied under different experimental conditions. This paper shows that these industrial residues are effective adsorbents for lead ions in aqueous solutions within the range of working concentrations.

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References

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Published

2008-06-30

How to Cite

Martín, M. I., López, F. A., & Alguacil, F. J. (2008). Possibility of using by-products of the steelmaking industry for removing lead from aqueous solutions. Revista De Metalurgia, 44(3), 258–264. https://doi.org/10.3989/revmetalm.2008.v44.i3.114

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