A comparative evaluation of LHT-9 layered titanates synthesized by reflux and microwave routes for waste treatment applications

Layered hydrazinium titanate (LHT-9) has been synthesized by reflux and microwave routes and evaluated for its potential application for sequestration of radionuclides from nuclear waste. Synthesized materials have been characterized using X-ray diffraction, scanning electron microscopy, X-ray absor...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2020-10, Vol.326 (1), p.209-214
Main Authors: Kamble, Priyanka, Sinharoy, Prithwish, Yevale, Pallavi, Ananthanarayanan, Arvind, Banerjee, Dayamoy, Sugilal, G., Yadav, Ashok, Bhattacharya, Dibyendu
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Diffraction
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Radioactive wastes
Radioisotopes
Refuse and refuse disposal
Synthesis
Titanates
Waste treatment
X ray absorption
X-rays
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Summary:Layered hydrazinium titanate (LHT-9) has been synthesized by reflux and microwave routes and evaluated for its potential application for sequestration of radionuclides from nuclear waste. Synthesized materials have been characterized using X-ray diffraction, scanning electron microscopy, X-ray absorption spectroscopy and uptake of radionuclides. The LHT-9 obtained by the microwave route appears more ordered than that obtained using the reflux process. However, both are comprised of TiO 6 octahedra. Post loading of species such as Sr, the octahedral ordering within the layers remains intact. Considering the uptake behaviour and the possibility of scale-up, LHT-9 synthesis using the microwave route may provide advantages in nuclear waste treatment applications.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-020-07345-9