Evaluation of sodium borate glasses for radioactive waste immobilization applications

Sema Akyil Erenturk; Murat Bengisu; Cem Erdogan

doi:10.1007/s10967-017-5536-z

Evaluation of sodium borate glasses for radioactive waste immobilization applications

Sema Akyil Erenturk^*, Murat Bengisu, Cem Erdogan

^*Corresponding author for this work

Energy Institute

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Properties of sodium borate glasses, including chemical durability, leaching rate, glass transformation temperature, and melting temperature were analyzed for waste immobilization applications. The lowest dissolution rate (1.6 × 10⁻⁸ g cm⁻² min⁻¹) among candidate sodium borate host glasses was achieved in 45Na₂O·5P₂O₅·5PbO·45B₂O₃. Similarly, the lowest dissolution rate (5.5 × 10⁻⁸ g cm⁻² min⁻¹) for simulated waste glass compositions was achieved in 20SrO·80(30Na₂O·60PbO·10B₂O₃). Clear vitrified waste products containing up to 35 mol% SrO and 25 mol% Cs₂O were obtained. Low melting temperatures ranging from 222 to 440 °C were achieved in simulated waste glasses.

Original language	English
Pages (from-to)	2069-2086
Number of pages	18
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	314
Issue number	3
DOIs	https://doi.org/10.1007/s10967-017-5536-z
Publication status	Published - 1 Dec 2017

Bibliographical note

Publisher Copyright:
© 2017, Akadémiai Kiadó, Budapest, Hungary.

Funding

Acknowledgements This work was supported by TÜBİTAK funds under project No. 109M294. We are thankful to Dr.S. Yusan and Z. Camtakan for their kind assistance during experimental studies.

Funders	Funder number
TÜBİTAK	109M294

Keywords

Borate glasses
Chemical durability
Radioactive waste
Structural characterization
Vitrified waste

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1007/s10967-017-5536-z

Cite this

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title = "Evaluation of sodium borate glasses for radioactive waste immobilization applications",

abstract = "Properties of sodium borate glasses, including chemical durability, leaching rate, glass transformation temperature, and melting temperature were analyzed for waste immobilization applications. The lowest dissolution rate (1.6 × 10−8 g cm−2 min−1) among candidate sodium borate host glasses was achieved in 45Na2O·5P2O5·5PbO·45B2O3. Similarly, the lowest dissolution rate (5.5 × 10−8 g cm−2 min−1) for simulated waste glass compositions was achieved in 20SrO·80(30Na2O·60PbO·10B2O3). Clear vitrified waste products containing up to 35 mol% SrO and 25 mol% Cs2O were obtained. Low melting temperatures ranging from 222 to 440 °C were achieved in simulated waste glasses.",

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author = "Erenturk, {Sema Akyil} and Murat Bengisu and Cem Erdogan",

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AU - Erenturk, Sema Akyil

AU - Bengisu, Murat

AU - Erdogan, Cem

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N2 - Properties of sodium borate glasses, including chemical durability, leaching rate, glass transformation temperature, and melting temperature were analyzed for waste immobilization applications. The lowest dissolution rate (1.6 × 10−8 g cm−2 min−1) among candidate sodium borate host glasses was achieved in 45Na2O·5P2O5·5PbO·45B2O3. Similarly, the lowest dissolution rate (5.5 × 10−8 g cm−2 min−1) for simulated waste glass compositions was achieved in 20SrO·80(30Na2O·60PbO·10B2O3). Clear vitrified waste products containing up to 35 mol% SrO and 25 mol% Cs2O were obtained. Low melting temperatures ranging from 222 to 440 °C were achieved in simulated waste glasses.

AB - Properties of sodium borate glasses, including chemical durability, leaching rate, glass transformation temperature, and melting temperature were analyzed for waste immobilization applications. The lowest dissolution rate (1.6 × 10−8 g cm−2 min−1) among candidate sodium borate host glasses was achieved in 45Na2O·5P2O5·5PbO·45B2O3. Similarly, the lowest dissolution rate (5.5 × 10−8 g cm−2 min−1) for simulated waste glass compositions was achieved in 20SrO·80(30Na2O·60PbO·10B2O3). Clear vitrified waste products containing up to 35 mol% SrO and 25 mol% Cs2O were obtained. Low melting temperatures ranging from 222 to 440 °C were achieved in simulated waste glasses.

KW - Borate glasses

KW - Chemical durability

KW - Radioactive waste

KW - Structural characterization

KW - Vitrified waste

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Evaluation of sodium borate glasses for radioactive waste immobilization applications

Abstract

Bibliographical note

Funding

Keywords

UN SDGs

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