Surface Treatment of Natural Zeolite by Dye and its Characterization

Ayao Takasaka, Setumi Yoshino, Hirohiko Kono, Yoshihiro Matsuda

研究成果: Article

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The adsorption of dyes (direct, acidic, basic, reactive and disperse) on Itaya zeolite consisting mainly of clinoptilolite and mordenite was investigated. The adsorption isotherms were found to be approximately expressed by the Freundlich equation. The order of adsorption selectivity was basic dye)>acidic dye)>other dyes. The Itaya zeolite surface-treated by the disperse dye and binder has less adsorbing power to nitrogen than the untreated zeolite, but has about the same hydrogen and ammonium ion exchange capacity. Therefore, it is useful for soil for gardening, an ornament rock for cleaning of water in an aquarium and for building materials (for example, breathing walls).

元の言語English
ページ(範囲)1181-1184
ページ数4
ジャーナルJournal of the Society of Materials Science, Japan
36
発行部数410
DOI
出版物ステータスPublished - 1987 1 1

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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