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Adsorption of heavy metals from water using banana and orange peels
Abstract
Liquid-phase adsorption removal of Cu2+, Co2+, Ni2+, Zn2+, and Pb2+ in the concentration range of 5-25 mg/L using low-cost banana and orange peel wastes was examined at 30 oC. Under comparable conditions, the amount of adsorption decreased in the order Pb2+ > Ni2+ > Zn2+ > Cu2+ > Co2+ for both adsorbents. The adsorption isotherms could be better described by the Freundlich equation. The amount of adsorption increased with increasing pH and reached a plateau at pH > 7, which was confirmed by the variations of zeta potentials. The application potential of such cellulose-based wastes for metal removal (up to 7.97 mg Pb2+ per gram of banana peel at pH 5.5) at trace levels appeared to be promising.
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Citations
Cited by
Heavy metal adsorption onto agro-based waste materials: a review
Demirbas, A. (2008) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2008.01.024 · Cited by 1,566
Ibrahim, H. M. M. (2015) · Journal of Radiation Research and Applied Sciences · doi:10.1016/j.jrras.2015.01.007 · Cited by 926
Happi Emaga, T., Andrianaivo, R. H., Wathelet, B., Tchango, J. T., & Paquot, M. (2007) · Food Chemistry · doi:10.1016/j.foodchem.2006.09.006 · Cited by 502
Pereira, A., & Maraschin, M. (2015) · Journal of Ethnopharmacology · doi:10.1016/j.jep.2014.11.008 · Cited by 388
Happi Emaga, T., Robert, C., Ronkart, S. N., Wathelet, B., & Paquot, M. (2008) · Bioresource Technology · doi:10.1016/j.biortech.2007.08.030 · Cited by 318
Metadata
- Authors
- Annadurai, G., Juang, R. S., & Lee, D. J.
- Venue
- Water Science and Technology
- Publisher
- IWA Publishing
- Published
- 2003-01-01
- Volume
- 47
- Issue
- 1
- Pages
- 185-190
- ISSN
- 0273-1223 (ISSN-L)
- 1996-9732
- OpenAlex
- W2338185043
- Cited by
- 629
- References
- 0
- FWCI
- 6.94
- Type
- journal article
- Language
- en
- Open access
- closed
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