Polyelectrolyte-assisted reactive crystallization of SrSO4 to obtain monodispersed nano/micro-particles

Takashi Mikami, Izumi Hirasawa

    Research output: Contribution to journalArticle

    11 Citations (Scopus)

    Abstract

    Micronized SrSO4 crystals having monodispersed/narrow distributions were produced with a controlled double-jet reactive crystallizer. Polyethylenimine (PEI) had the role of a suitable controller of supersaturation and following crystallization phenomena, and then led to agglomeration-less homogeneous crystalline qualities. Especially, the PEI imines seemed to adjust the number of nucleates, and also physical gel networks seemed to contribute to the inhibition of further particulate agglomeration. The current paper mainly demonstrated the influence of PEI addition on the resulting properties, e.g. sizes and size distribution widths. Therefore the polyelectrolyte-assisted technique will develop as a build-up process contributing to provide high-value nano/micro-powders having the desired crystalline qualities.

    Original languageEnglish
    Pages (from-to)797-803
    Number of pages7
    JournalChemical Engineering and Technology
    Volume33
    Issue number5
    DOIs
    Publication statusPublished - 2010 May

    Fingerprint

    Polyethyleneimine
    Crystallization
    Polyelectrolytes
    Agglomeration
    Crystalline materials
    Crystallizers
    Supersaturation
    Imines
    Gels
    Powders
    Controllers
    Crystals

    Keywords

    • Double-jet reactive crystallization
    • Microcrystals
    • Monodispersed crystals
    • Polyelectrolyte additive

    ASJC Scopus subject areas

    • Chemical Engineering(all)
    • Chemistry(all)
    • Industrial and Manufacturing Engineering

    Cite this

    Polyelectrolyte-assisted reactive crystallization of SrSO4 to obtain monodispersed nano/micro-particles. / Mikami, Takashi; Hirasawa, Izumi.

    In: Chemical Engineering and Technology, Vol. 33, No. 5, 05.2010, p. 797-803.

    Research output: Contribution to journalArticle

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