スラグウールによる超微粒シリカの分離 -界面特性を利用した超微粒子希薄懸濁液の迅速固液分離(第1報)- Separation of Ultrafine Silica Particles by Slag Wool -Rapid solid/liquid separation of ultrafine particles from diluted suspension using surface characteristics(1st Report)-

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著者

    • 林 浩志 HAYASHI Hiroshi
    • 早稲田大学大学院 理工学研究科 資源および材料工学 Graduate School of Science and Engineering, Waseda University

抄録

Rapid solid/liquid separation from dilute colloidal dispersions is one of the most difficult techniques and effective method has yet to be established so far. But by using the electro-interfacial properties of colloidal particles, effective fine particle removal from dilute suspensions was made possible in a simple way. In this experiment, rapid separation of ultra fine silica particles (mean diameter of 200 nm) crystallized from geothermal water were investigated by using a column bed method packed with ferro-nickel fibrous slag wool, which was made as waste material from Fe-Ni electrosmelting process. Collection efficiency of silica particles was highly dependent on chemical characteristics of suspension, that is, pH and ionic strength:better separation was attained in more acidic condition and higher KNO3 electrolyte concentration. These experimental results were generally in agreement with the heterocoagulation theory. It could be concluded that surface interactions between particle and collector virtually determined the total removal capacity of collector bed.

収録刊行物

  • 資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan  

    資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan 115(1), 17-23, 1999-01-25 

    The Mining and Materials Processing Institute of Japan

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各種コード

  • NII論文ID(NAID)
    10002468938
  • NII書誌ID(NCID)
    AN10062646
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09161740
  • NDL 記事登録ID
    4640267
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-315
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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