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Lead Sorption by Chrysanthemum indicum: Equilibrium, Kinetic, and Desorption Studies

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Abstract

The research was aimed at checking the possibility of using the Chrysanthemum (Chrysanthemum indicum) as a sorbent for the removal of heavy metals. The chrysanthemum was divided into flower petals, stems, and leaves to check the affinity for the metals tested. In the work, equilibrium and kinetic modeling of the process was carried out by selecting nonlinear models with the best fit. The tested material was characterized by high sorption capacity in relation to lead ions, amounting to 87–89 mg/g. The equilibrium model that best describes the lead ion sorption process on Chrysanthemum indicum is the Langmuir model, while the kinetic model is the pseudo-second-order model. The performed tests of metal recovery from the surface of the tested material allowed for its recovery in the range of 43–55% with the use of acetic acid.

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Correspondence to Paweł Staroń.

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Staroń, P., Płecka, A. & Chwastowski, J. Lead Sorption by Chrysanthemum indicum: Equilibrium, Kinetic, and Desorption Studies. Water Air Soil Pollut 232, 22 (2021). https://doi.org/10.1007/s11270-020-04956-6

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  • DOI: https://doi.org/10.1007/s11270-020-04956-6

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