Crystal Growth Behavior of Zeolites Elucidated by Atomic Force Microscopy

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Seeded growths of faujasite and zeolite A were investigated by atomic force microscopy (AFM). For seeded growth, clear aluminosilicate solutions (90Na<SUB>2</SUB>O:<I>x</I>Al<SUB>2</SUB>O<SUB>3</SUB>:9SiO<SUB>2</SUB>:5760H<SUB>2</SUB>O, where <I>x</I> = 0.1–1.0), which are useful for faujasite or zeolite A growth on seeded faujasite or zeolite A, respectively, were prepared at 353 K. Changes at the same position were observed along with growth period, and it was revealed that crystal growth behaviors of faujasite and zeolite A were different in the same aluminosilicate solution. Corresponding aluminosilicate solutions were characterized by Raman spectroscopy. By combining the results of both AFM and Raman spectroscopy, the behavior of aluminosilicate species incorporating into the solid phase from the liquid one was discussed. Key precursors of crystal growth for faujasite and zeolite A were proposed to be six-membered and four-membered rings, respectively.

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  • Journal of chemical engineering of Japan

    Journal of chemical engineering of Japan 37(5), 669-674, 2004-05-01

    公益社団法人 化学工学会

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各種コード

  • NII論文ID(NAID)
    10013340574
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00219592
  • NDL 記事登録ID
    6944427
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z53-R395
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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