Raising the Efficiency of Antimony(III) Ion Extraction from Solutions by Modified Titanium(IV) Oxyhydroxyphosphate-Based Sorbents

A. M. Petrov; Петров А. М.; E. V. Tikhomirova; Тихомирова Е. В.; S. V. Aksenova; Аксенова С. В.; R. I. Korneikov; Корнейков Р. И.; V. I. Ivanenko; Иваненко В. И.

doi:10.31857/S0002337X23080134

Raising the Efficiency of Antimony(III) Ion Extraction from Solutions by Modified Titanium(IV) Oxyhydroxyphosphate-Based Sorbents

Authors: Petrov A.M.¹, Tikhomirova E.V.¹, Aksenova S.V.¹, Korneikov R.I.¹, Ivanenko V.I.²
Affiliations:
1. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials (separate subdivision), Kola Scientific Center (Federal Research Center), Russian Academy of Sciences
2. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Scientific Center, Russian Academy of Sciences
Issue: Vol 59, No 8 (2023)
Pages: 847-852
Section: Articles
URL: https://medjrf.com/0002-337X/article/view/668162
DOI: https://doi.org/10.31857/S0002337X23080134
EDN: https://elibrary.ru/SFGMQS
ID: 668162

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Abstract
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Abstract

We have proposed compositions of titanyl hydrogen phosphate-based sorption materials modified with zirconium(IV) cations and containing both cation and anion exchange functional centers, represented by НРО
and OH– groups, respectively. The synthesized materials were tested in sorption of antimony(III) cations and anions from high-salt solutions. Increasing the concentration of functional groups in ion exchange matrices has been shown to increase their affinity for antimony(III) ions. Such compositions can be regarded as promising ion exchange materials for efficient extraction of antimony radionuclides from multicomponent high-salt liquid radioactive waste.

Keywords

liquid radioactive waste, antimony radionuclides, sorbents, modification, zirconium(IV), titanium(IV) oxyhydroxyphosphates

References

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