Secondary nucleation rate by growing crystals and oscillation phenomena in sodium borate decahydrate crystal suspension

    Research output: Contribution to journalArticle

    Abstract

    Crystal growth experiments were performed in a suspension system of sodium borate decahydrate crystals, to observe the surface status of crystals in the process of their growth, and to obtain the correlative equation of the factors ( degree of supercooling, linear velocity in the crystallizer and revolution rate of the agitator) affecting secondary nucleation rate. It is also made clear that the average secondary nucleation rate based on the operation time is affected by the surface status of the growing crystals, and its rate osccillates against the operation time. This oscillation phenomena are discussed, based on the qualitative model of two series processes consisted of a diffuison stage and a surface reaction stage.

    Original languageEnglish
    Pages (from-to)552-553
    Number of pages2
    JournalKagaku Kogaku Ronbunshu
    Volume25
    Issue number4
    Publication statusPublished - 1999 Jul

    Fingerprint

    Sodium borate
    Crystal growth
    Suspensions
    Nucleation
    Crystallizers
    Supercooling
    Crystals
    Surface reactions
    Crystallization
    Experiments
    borax

    Keywords

    • Crystallization
    • Oscillation
    • Secondary nucleation rate
    • Sodium borate decahydrate
    • Surface roughness

    ASJC Scopus subject areas

    • Materials Science (miscellaneous)

    Cite this

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    abstract = "Crystal growth experiments were performed in a suspension system of sodium borate decahydrate crystals, to observe the surface status of crystals in the process of their growth, and to obtain the correlative equation of the factors ( degree of supercooling, linear velocity in the crystallizer and revolution rate of the agitator) affecting secondary nucleation rate. It is also made clear that the average secondary nucleation rate based on the operation time is affected by the surface status of the growing crystals, and its rate osccillates against the operation time. This oscillation phenomena are discussed, based on the qualitative model of two series processes consisted of a diffuison stage and a surface reaction stage.",
    keywords = "Crystallization, Oscillation, Secondary nucleation rate, Sodium borate decahydrate, Surface roughness",
    author = "Izumi Hirasawa",
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    T1 - Secondary nucleation rate by growing crystals and oscillation phenomena in sodium borate decahydrate crystal suspension

    AU - Hirasawa, Izumi

    PY - 1999/7

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    N2 - Crystal growth experiments were performed in a suspension system of sodium borate decahydrate crystals, to observe the surface status of crystals in the process of their growth, and to obtain the correlative equation of the factors ( degree of supercooling, linear velocity in the crystallizer and revolution rate of the agitator) affecting secondary nucleation rate. It is also made clear that the average secondary nucleation rate based on the operation time is affected by the surface status of the growing crystals, and its rate osccillates against the operation time. This oscillation phenomena are discussed, based on the qualitative model of two series processes consisted of a diffuison stage and a surface reaction stage.

    AB - Crystal growth experiments were performed in a suspension system of sodium borate decahydrate crystals, to observe the surface status of crystals in the process of their growth, and to obtain the correlative equation of the factors ( degree of supercooling, linear velocity in the crystallizer and revolution rate of the agitator) affecting secondary nucleation rate. It is also made clear that the average secondary nucleation rate based on the operation time is affected by the surface status of the growing crystals, and its rate osccillates against the operation time. This oscillation phenomena are discussed, based on the qualitative model of two series processes consisted of a diffuison stage and a surface reaction stage.

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    KW - Oscillation

    KW - Secondary nucleation rate

    KW - Sodium borate decahydrate

    KW - Surface roughness

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