Selective Recovery of Metal Ions Based on Selective Sinking of Zeolite Modified with Octadecyl and Diethylenetriamine Groups

  • Go Nishimura
    Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka UniversityToyonaka
  • Yasuhiro Shiraishi
    Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka UniversityToyonaka
  • Takayuki Hirai
    Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka UniversityToyonaka

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<jats:title>Abstract</jats:title> <jats:p>Zeolite modified with octadecyl and diethylenetriamine groups (ZOD), which floats on surface of water, sinks into the water via the formation of metal–ligand complex, owing to the increase in hydrophilicity. The degree of the sinking depends on the metal ions coordinated, allowing selective recovery of ZOD particles loading high concentration of specific metal ion.</jats:p>

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  • Chemistry Letters

    Chemistry Letters 32 (12), 1096-1097, 2003-11-03

    Oxford University Press (OUP)

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