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- W1981370864 abstract "The adsorption of heavy metals on biomaterials was investigated by studying the potential of alginate microcapsules containing an extractant (Cyanex 272) and magnetic nanoparticles (γ-Fe2O3) for the adsorption of nickel (II) from aqueous solutions. A two-stage kinetics behaviour was observed with 70% of the maximum sorption capacity achieved within 8 h. An increase in nickel removal with increase in pH occurred, the maximum uptake capacity being around 0.42 mmol g–1 at pH 8. The adsorption isotherm (pH about 5.3) was obtained in a wide range of initial nickel concentrations; the experimental data were fitted by a Langmuir model and the qmax value was estimated to be 0.52 mmol g–1. Moreover, including magnetic particles in the microcapsules allowed easy isolation of the beads from the aqueous solutions after the sorption process. Magnetic microcapsules are then suitable for the development of efficient biosorbents for removal and recovery of heavy metals from wastewater using magnetic separation." @default.
- W1981370864 created "2016-06-24" @default.
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- W1981370864 date "2006-05-01" @default.
- W1981370864 modified "2023-10-17" @default.
- W1981370864 title "Nickel adsorption by magnetic alginate microcapsules containing an extractant" @default.
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- W1981370864 doi "https://doi.org/10.1016/j.watres.2006.02.036" @default.
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