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Separation Science and Technology Volume 56, 2021 - Issue 12
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Adsorption

Decoration of maleic/acrylic acid onto CoFe2O4 as a high-performance nanosorbent for the removal of lead(II) and cadmium(II) from environmental samples

Hadi Habibia Phase Separation & FIA Lab., Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan, IranCorrespondence[email protected]
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,
Nasser Dalalia Phase Separation & FIA Lab., Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan, IranCorrespondence[email protected]
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&
Ali Ramazanib Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan, IranORCID Iconhttps://orcid.org/0000-0003-3072-7924View further author information
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Pages 2036-2046 | Received 14 Jan 2020, Accepted 10 Aug 2020, Published online: 20 Sep 2020
 
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ABSTRACT

In this research, CoFe2O4-SiO2-gly-P(AA-MA) so-called CFSP was synthesized and characterized successfully. The as made adsorbent was utilized for the removal of Pb(II) and Cd(II). Different experimental conditions on the adsorption process were optimized and evaluated, respectively. In the following, adsorption isotherms and kinetics of both ion metals were studied in a batch system. The best-fitting isotherm was found to be the Langmuir with correlation coefficients (R2) of 0.9994 for Cd2+and 0.9990 for Pb2+. Also, the results revealed that the experimental data were better fitted to pseudo second-order kinetic model for both Pb2+ and Cd2+than the other studied models.

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Funding

The authors would like to thank the University of Zanjan and Calcimin Research Center for their financial supports.

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