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Synthesis and sorption behavior of semicrystalline sodium titanate as a new cation exchanger

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Abstract

A new form of semicrystalline sodium titanate was synthesized at high temperature (1100-1150 °C) by a reaction of TiO2 with Na2CO3 in an equimolar ratio. The obtained product was characterized using IR, DTA-TG, X-ray diffraction and elemental analyses. According to X-ray patterns, H2Ti5O11 . nH2O with monoclinic structure has been formed on dehydration of semicrystalline sodium titanate. Kinetic studies of the order and activation energy of a new phase transformation have been determined from DTA-thermograms. The ion exchange behavior of semicrystalline sodium titanate was studied at different g-doses as well as at different drying temperatures. The laboratory-scale ion exchange capacity, distribution studies and exchange performance for some radionuclides of a thermally prepared material were investigated. It was found that the exchange capacity was not changed after 100 kGy irradiation.

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  1. Nuclear Fuel Technology Department, Hot Laboratories Center, Atomic Energy Authority, P.O. Box 13759, Cairo, Egypt

    I. M. Ali

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  1. I. M. Ali
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Ali, I.M. Synthesis and sorption behavior of semicrystalline sodium titanate as a new cation exchanger. Journal of Radioanalytical and Nuclear Chemistry 260, 149–157 (2004). https://doi.org/10.1023/B:JRNC.0000027074.36548.29

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  • DOI: https://doi.org/10.1023/B:JRNC.0000027074.36548.29

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