Reevaluating the efficacy of moderate annealing in nuclear waste vitrification for sustainable high-level waste management
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2020.122155
Abstract: Abstract The reliable immobilization of nuclear waste, particularly high-level waste (HLW), is a key issue for sustainable utilization of nuclear energy. Annealing process is adopted in nuclear waste vitrification to improve mechanical properties of products;… read more here.
Keywords: high level; glass; waste; moderate annealing ... See more keywords
Nepheline crystallization behavior in simulated high-level waste glasses
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Non-Crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2018.11.018
Abstract: Abstract The U.S. Department of Energy immobilizes legacy nuclear high-level waste (HLW) in borosilicate glass. HLW glass with elevated Na2O and Al2O3 concentrations have a demonstrated propensity for precipitating nepheline (NaAlSiO4) during cooling, which adversely… read more here.
Keywords: level waste; waste; hlw glass; glass ... See more keywords
Predictive modeling of crystal accumulation in high-level waste glass melters processing radioactive waste
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DOI: 10.1016/j.jnucmat.2017.08.034
Abstract: Abstract The effectiveness of high-level waste vitrification at Hanford's Waste Treatment and Immobilization Plant may be limited by precipitation/accumulation of spinel crystals [(Fe, Ni, Mn, Zn)(Fe, Cr) 2 O 4 ] in the glass discharge… read more here.
Keywords: accumulation; high level; glass; waste ... See more keywords
Micron-sized spinel crystals in high level waste glass compositions: Determination of crystal size and crystal fraction
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2018.11.039
Abstract: Abstract The compositions utilized for immobilization of high-level nuclear wastes (HLW) are controlled using glass property models to avoid the deleterious effects of crystallization in the high-level waste (HLW) vitrification melters. The type and size… read more here.
Keywords: level waste; glass; high level; crystal size ... See more keywords
Solidification of high level waste using magnesium potassium phosphate compound
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DOI: 10.1016/j.net.2018.12.009
Abstract: Abstract Compound samples based on the mineral-like magnesium potassium phosphate matrix MgKPO4 × 6H2O were synthesized by solidification of high level waste surrogate. Phase composition and structure of synthesized samples were studied by XRD and SEM methods.… read more here.
Keywords: level waste; solidification high; magnesium potassium; potassium phosphate ... See more keywords
Developing 3D geological and hydrogeological models for the Low Level Waste Repository site, west Cumbria, UK
Sign Up to like & getrecommendations! Published in 2020 at "Quarterly Journal of Engineering Geology and Hydrogeology"
DOI: 10.1144/qjegh2020-026
Abstract: This case study presents the recent development of new 3D geological models for the Low Level Waste Repository in Cumbria through the review of historical and new datasets. The site is located in an area… read more here.
Keywords: geology; hydrogeology; waste repository; site ... See more keywords
The Influence of Zeolite (Sokyrnytsya Deposit) on the Physical and Chemical Resistance of a Magnesium Potassium Phosphate Compound for the Immobilization of High-Level Waste
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DOI: 10.3390/molecules24193421
Abstract: The manuscript presents the results of the development of new material for high-level waste (HLW) management: the magnesium potassium phosphate (MKP) compound. The possibility of using zeolite (Sokyrnytsya deposit) to increase the mechanical, thermal, and… read more here.
Keywords: high level; zeolite sokyrnytsya; potassium phosphate; level waste ... See more keywords