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Feed-to-glass conversion during low activity waste vitrification

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985891%3A_____%2F20%3A00533117" target="_blank" >RIV/67985891:_____/20:00533117 - isvavai.cz</a>

  • Alternative codes found

    RIV/60461373:22310/20:43921260

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S0272884219337587?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0272884219337587?via%3Dihub</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.ceramint.2019.12.256" target="_blank" >10.1016/j.ceramint.2019.12.256</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Feed-to-glass conversion during low activity waste vitrification

  • Original language description

    The thermal history of the nuclear waste feed during melting has a strong effect on the rate of melting, thus strongly affecting the efficiency of the nuclear waste cleanup. Based on our previous work that addressed the high-level waste (HLW) cold-cap formation and structure, we studied the feed-to-glass conversion of low-activity waste (LAW) slurry, which has significantly different chemical composition and resultant physicochemical properties. To simulate the conditions during feed-to-glass conversion, samples were prepared by rapid water evaporation from the LAW slurry. The resulting cold-cap was more porous than a typical HLW cold-cap, and its heat conductivity was shown to be significantly lower. In addition, the presence of salts in the LAW, such as borax decahydrate, distinctly affected the slurry properties during boiling, possibly helping the LAW slurry spread across the melter and preventing build-ups of cold-cap leading to feeding interruptions.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20504 - Ceramics

Result continuities

  • Project

    <a href="/en/project/LTAUSA18075" target="_blank" >LTAUSA18075: ANALYSIS OF FOAMING – CRITICAL BATCH-TO-GLASS CONVERSION PROCESS</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Ceramics International

  • ISSN

    0272-8842

  • e-ISSN

  • Volume of the periodical

    46

  • Issue of the periodical within the volume

    7

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    8

  • Pages from-to

    9826-9833

  • UT code for WoS article

    000528340500159

  • EID of the result in the Scopus database

    2-s2.0-85077338961