Email this article Sorption-desorption properties of titanium phosphate towards heavy metal cations
- Authors: Maslova M.V.1, Evstropova P.E.1, Mudruk N.V.1, Semushina Y.P.1
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Affiliations:
- I. V. Tananaev Institute of Chemistry – Subdivision of the Federal Research Centre «Kola Science Centre of the Russian Academy of Sciences» (ICT KSC RAS)
- Issue: Vol 99, No 5 (2025)
- Pages: 752-758
- Section: PHYSICAL CHEMISTRY OF DISPERSED SYSTEMS AND SURFACE PHENOMENA
- Submitted: 22.09.2025
- Published: 15.12.2025
- URL: https://kazanmedjournal.ru/0044-4537/article/view/691147
- DOI: https://doi.org/10.31857/S0044453725050098
- EDN: https://elibrary.ru/hfbdqi
- ID: 691147
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Abstract
The sorption/desorption behavior of divalent ions (Cu2+, Mn2+,Co2+, Ni2+) on amorphous titanium phosphate is studied.The sorption/desorption equilibrium is shown to be largely determined bythe solvated state of heavy metal cations; selectivity series areconstructed. Regardless of the degree of saturation of the sorbentwith cations of the metals being studied, the desorption degreeexceeds 99.9% in all cases. With multi-stage use of thesorbent, the efficiency of sorption/desorption processes is established to decreasebecause of its dehydration due to hydrolysis of the sorbent,which is 2.6 10–3 mg g–1·h–1. The efficiencyof sorption/desorption of the ions from multicomponent solutions is shown.
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About the authors
M. V. Maslova
I. V. Tananaev Institute of Chemistry – Subdivision of the Federal Research Centre «Kola Science Centre of the Russian Academy of Sciences» (ICT KSC RAS)
Email: m.maslova@ksc.ru
Apatity, Murmansk region, Russia
P. E. Evstropova
I. V. Tananaev Institute of Chemistry – Subdivision of the Federal Research Centre «Kola Science Centre of the Russian Academy of Sciences» (ICT KSC RAS)
Email: m.maslova@ksc.ru
Apatity, Murmansk region, Russia
N. V. Mudruk
I. V. Tananaev Institute of Chemistry – Subdivision of the Federal Research Centre «Kola Science Centre of the Russian Academy of Sciences» (ICT KSC RAS)
Email: n.mudruk@ksc.ru
Apatity, Murmansk region, Russia
Yu. P. Semushina
I. V. Tananaev Institute of Chemistry – Subdivision of the Federal Research Centre «Kola Science Centre of the Russian Academy of Sciences» (ICT KSC RAS)
Author for correspondence.
Email: m.maslova@ksc.ru
Apatity, Murmansk region, Russia
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