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Separation Science and Technology Volume 56, 2021 - Issue 8
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Adsorption

Sulfoethylated poly(allylamine) – a new highly selective sorbent for removal of silver(I) ions in the presence of copper(II) ions

Latifa M. K. Alifkhanovaa Institute of Natural Sciences and Mathematics, Ural Federal University Named after the First President of Russia B. N. Yeltsin, Yekaterinburg, RussiaCorrespondence[email protected]
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Kseniia Y. A. Lopunovaa Institute of Natural Sciences and Mathematics, Ural Federal University Named after the First President of Russia B. N. Yeltsin, Yekaterinburg, RussiaView further author information
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Alexandr V. Pestova Institute of Natural Sciences and Mathematics, Ural Federal University Named after the First President of Russia B. N. Yeltsin, Yekaterinburg, Russia;b Ural Division of Russian Academy of Sciences, I. Ya. Postovsky Institute of Organic Synthesis, Yekaterinburg, RussiaView further author information
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Ekaterina O. Zemlyakovab Ural Division of Russian Academy of Sciences, I. Ya. Postovsky Institute of Organic Synthesis, Yekaterinburg, RussiaView further author information
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Olga V. Kondratovicha Institute of Natural Sciences and Mathematics, Ural Federal University Named after the First President of Russia B. N. Yeltsin, Yekaterinburg, RussiaView further author information
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Yulia S. Petrovaa Institute of Natural Sciences and Mathematics, Ural Federal University Named after the First President of Russia B. N. Yeltsin, Yekaterinburg, RussiaView further author information
&
Ludmila K. Neudachinaa Institute of Natural Sciences and Mathematics, Ural Federal University Named after the First President of Russia B. N. Yeltsin, Yekaterinburg, RussiaView further author information
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Pages 1303-1311 | Received 03 Nov 2019, Accepted 05 Jun 2020, Published online: 22 Jun 2020
 
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ABSTRACT

This paper reports a method for preparation of functional derivative – poly(N-2-sulfoethyl)allylamine – obtained when treating poly(allylamine) with sodium vinylsulfonate, and allowing for the complete functionalization of the amino groups. The composition and the structure of the products of the polymer transformation were studied using the elemental analysis, FT-IR spectroscopy, and 1H NMR spectroscopy. In order to obtain the sorption material, it is necessary to use epichlorohydrin, which enables the effective cross-linking of the macromolecule, vs. glutaraldehyde. The sorbent based on the sulfoethylated poly(allylamine) selectively removes silver(I) from its ammonium acetate buffer solution having the рН value from 6.0 to 6.5 and containing some other transition and alkaline earth metal ions.

Acknowledgements

The work was supported by Act 211 Government of the Russian Federation, contract № 02.A03.21.0006.

Supplementary material

Supplemental data for this article can be accessed on the publisher’s website

Additional information

Funding

This work was supported by Act 211 Government of the Russian Federation [№ 02.A03.21.0006].

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