Abstract
This study deals with the uptake of uranyl ions from aqueous solution using bio-modified natural clinoptilolite. The biosorption experiments were carried out in a batch system. Cell immobilization process and sorption of uranyl ions were confirmed by scanning electron microscopy and inductively coupled plasma-optical emission spectroscopy techniques, respectively. The adsorption equilibrium was reached in 4 h, the optimum pH was 4.5 and the temperature had no significant effect on the uranyl biosorption. The experimental data were well fitted with Langmuir isotherm and pseudo-second-order kinetic models. The maximum sorption capacity of cell immobilized clinoptilolite was 0.148 mmol (\( {\text{UO}}_{2}^{2 + } \)) g−1 dry sorbent.
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Peyvandi, S., Faghihian, H. Biosorption of uranyl ions from aqueous solution by Saccharomyces cerevisiae cells immobilized on clinoptilolite. J Radioanal Nucl Chem 301, 537–543 (2014). https://doi.org/10.1007/s10967-014-3184-0
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DOI: https://doi.org/10.1007/s10967-014-3184-0