Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14365/1303
Title: Chemical durability and structural analysis of PbO-B2O3 glasses and testing for simulated radioactive wastes
Authors: Erdogan, Cem
Bengisu, Murat
Erenturk, Sema Akyil
Keywords: Lithium-Borate Glasses
Liquid Waste
Lead-Borate
Borosilicate Glass
Silicate-Glasses
Vitrification
Stability
Viscosity
Behavior
Systems
Publisher: Elsevier Science Bv
Abstract: Lead borate based glass formulations with high chemical durability and lower melting temperatures compared to the currently used glasses were developed as candidates for the vitrification of radioactive waste. Properties including chemical durability, glass transformation temperature, and melting temperature were analyzed. The chemical durability of PbO-B2O3 glasses with PbO contents ranging from 30 to 80 mol% was determined. An average dissolution rate of 0.2 g m(-2) day(-1) was obtained for the composition 80PbO center dot 20B(2) O-3. These glasses were studied under simulation conditions and showed good potential as a vitrification matrix for radioactive waste management. Clear vitrified waste products containing up to 30 mol% SrO and 25 mol% Cs2O could be obtained. Leaching rates are about hundred times higher in low PbO glasses compared to high PbO glasses. These results are encouraging since they open up new horizons in the development of low melting temperature lead borate glass for waste immobilization applications. (C) 2013 Elsevier B.V. All rights reserved.
URI: https://doi.org/10.1016/j.jnucmat.2013.10.025
https://hdl.handle.net/20.500.14365/1303
ISSN: 0022-3115
1873-4820
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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