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Preparation of chitosan functionalized polyamidoamine for the separation of trivalent lanthanides from acidic waste solution

  • S. Pahan , S. Panja EMAIL logo , D. Banerjee , P. S. Dhami , J. S. Yadav und C. P. Kaushik EMAIL logo
Veröffentlicht/Copyright: 1. Mai 2019

Abstract

The manuscript deals with the sorption of Am(III) and Eu(III) from pH medium using chitosan functionalized with dendrimer like polyamidoamine (PAMAM) polymers up to third generation. The PAMAM polymers were introduced into chitosan by two step processes and were characterized by various instrumental techniques like FTIR, XRD, TG-DTA. The sorption process was highly pH dependent for both Am(III) and Eu(III) with increasing trend for higher pH of the solution. Kinetics of equilibration was found to be fast with equilibrium attained in 10 min for both the metal ions. Pseudo 2nd order kinetics mechanism was found to be followed for both Am(III) and Eu(III). The sorption process of Eu(III) was found to fit the Langmuir isotherm model with maximum sorption capacity of 6.01 mg/g. There was no effect on the generation of PAMAM Dendron on the efficiency, kinetics or sorption capacity for Am(III) as well as Eu(III). The synthesized different generation of PAMAM functionalized chitosan is a promising material for removal of actinides and lanthanides from waste water solution.

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Supplementary Material

The online version of this article offers supplementary material (https://doi.org/10.1515/ract-2018-3022).


Received: 2018-07-09
Accepted: 2019-02-13
Published Online: 2019-05-01
Published in Print: 2019-05-27

©2019 Walter de Gruyter GmbH, Berlin/Boston

Heruntergeladen am 16.12.2025 von https://www.degruyterbrill.com/document/doi/10.1515/ract-2018-3022/html
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