Investigations on the feasibility of Romanian pine bark wastes conversion into a value-added sorbent for CU(II) and ZN(II) ions

13Citations
Citations of this article
13Readers
Mendeley users who have this article in their library.

Abstract

The batch sorption capability of Romanian pine bark for the removal of Cu(II) and Zn(II) ions from diluted aqueous solutions was investigated as a function of initial pH, contact time, and temperature. The metal sorption sequence is Cu > Zn. The experimental data for Cu(II) and Zn(II) ions retention on the tested bark of Pinus sylvestris L. showed a better compliance with the pseudo-second order kinetic model. The values of the maximum capacity of sorption, determined on the basis of the Langmuir isotherm model, are 14.7 mg g -1 and 13.01mg g -1 (at 20°C) for Cu(II) and Zn(II) ions, respectively. The computed thermodynamic parameters indicate the spontaneous and endothermic nature of Cu(II) and Zn(II) ions sorption process by pine bark. The obtained results suggest that Romanian pine bark is a promising material for the development of a low-cost sorption technology for the removal of Cu(II) and Zn(II) ions from aqueous streams.

Author supplied keywords

Cite

CITATION STYLE

APA

Amalinei, R. L. M., Miron, A., Volf, I., Paduraru, C., & Tofan, L. (2012). Investigations on the feasibility of Romanian pine bark wastes conversion into a value-added sorbent for CU(II) and ZN(II) ions. BioResources, 7(1), 148–160. https://doi.org/10.15376/biores.7.1.148-160

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free