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Influence of Zirconium Hydrophosphate Nanoparticles on Porous Structure and Sorption Capacity of the Composites Based on Ion Exchange Resin

Yuliya Dzyazko1, Ludmila Ponomarova1, Yurii Volfkovich2, Valentina Tsirina3, Valentin Sosenkin2, Nadiya Nikolska2 аnd Volodimir Belyakov1
1V.I. Vernadskii Institute of General and Inorganic Chemistry of the NAS of Ukraine, 32/34, Acad. Palladin Ave., 03680 Кyiv, Ukraine; 2A.N. Frumkin Institute of Physical Chemistry and Electrochemistry of the RAS, 31, Leninskii Ave., 119071 Moscow, Russia 3L.V. Pisarzhevskii Institute of the Physical and Inorganic Chemistry of the NAS of Ukraine, 31, Nauka Ave., 03028 Кyiv, Ukraine
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Evolution of swelling of gel-like strongly acidic resin and organic-inorganic composites based on this ion-exchanger was investigated. Non-aggregated nanoparticles of zirconium hydrophosphate were found to provide size invariability of the polymer pores, which contain functional groups (up to 20 nm), the nanoparticle aggregates squeeze these pores (down to 3 nm). Owing to this, the nanocomposite shows higher break-through capacity during removal of Ni2+ from water, than the sample modified only with aggregates.

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