Photocatalytic decolorization of rhodamine B dye as a model of dissolved organic compounds: Influence of dissolved inorganic chloride salts in seawater of the Sea of Japan

Makoto Makita, Akira Harata

    研究成果: Contribution to journalArticle査読

    40 被引用数 (Scopus)

    抄録

    The effects of salinity on the photooxidative decolorization of rhodamine B in a variety of aqueous salt solutions were studied, aiming at the purification of seawater using a photocatalytic reaction. It was demonstrated that the photooxidative decolorization of rhodamine B in chloride salt solutions could proceed. It was found that the reaction was accelerated in the presence of a certain amount of salt and that a 2.0 wt% salt solution showed the fastest decolorization rate. Metal ions, Na+ and Mg2+, caused the enhancement of the photocatalytic activity at the same salt concentration as seawater. The reaction rate of photooxidative dye decolorization in seawater was slower than that in salt water although Na+ and Cl- are the major ions in seawater.

    本文言語英語
    ページ(範囲)859-863
    ページ数5
    ジャーナルChemical Engineering and Processing: Process Intensification
    47
    5
    DOI
    出版ステータス出版済み - 5 2008

    All Science Journal Classification (ASJC) codes

    • 化学 (全般)
    • 化学工学(全般)
    • エネルギー工学および電力技術
    • 産業および生産工学

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