Walnut shells as a potential biosorbent for Cu(II), Pb(II) and As(III)/(V) ions removal from river waters
In this study, the potential of the walnut shell as a biosorbent for biosorption of Cu(II), Pb(II), and As(III)/(V) ions from river water samples was investigated. The effects of various conditions of water samples such as the initial ion concentration, sample pH, and contact time at a cons...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Faculty of Technology, Novi Sad
2023-01-01
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| Series: | Acta Periodica Technologica |
| Subjects: | |
| Online Access: | https://doiserbia.nb.rs/img/doi/1450-7188/2023/1450-71882354187N.pdf |
| Summary: | In this study, the potential of the walnut shell as a biosorbent for
biosorption of Cu(II), Pb(II), and As(III)/(V) ions from river water samples
was investigated. The effects of various conditions of water samples such as
the initial ion concentration, sample pH, and contact time at a constant
temperature and biosorbent dosage, on biosorption of Cu(II), Pb(II), and
As(III)/(V) were investigated. Walnut shells, as the material with a high
potential for removal of investigated ions, have biosorption efficiency of
up to 99.6%, under the applied experimental conditions. The best adsorption
time was obtained at 4 h for Cu(II), Pb(II), and As(III)/(V) ions. The
maximum removal of 97.6% (Cu(II)), 82.9% (Pb(II)), and 99.6% (As(III)/(V))
was obtained at pH=4.43, pH=8.55, and pH=7.84, respectively. Hence, the
walnut shell shows potential of a cost-effective biosorbent that could be
used for the treatment of contaminated rivers. However, further
investigation is needed to fully explore this potential. |
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| ISSN: | 1450-7188 2406-095X |