Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/22230
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    請使用永久網址來引用或連結此文件: https://ir.cnu.edu.tw/handle/310902800/22230


    題名: Separation of nano-sized colloidal particles using cross-flow electro-filtration
    作者: Yao-Tung Lin
    Menghau Sung
    Paul F. Sanders
    Andrew Marinucci
    C.P. Huang
    貢獻者: 環境工程與科學系
    關鍵詞: Nano-particles
    SiO2
    Al2O3
    Cross-flow
    Electro-filtration
    日期: 2007-12
    上傳時間: 2010-01-15 11:17:53 (UTC+8)
    摘要: A prototype electrical cross-flow filtration system (ECFF) was designed and used to improve the separation of nano-sized particles from water. Model colloids, e.g., γ-Al2O3 and SiO2, and naturally occurring colloidal particles collected from well waters in the state of New Jersey were used to evaluate the performance of the ECFF module. Results indicated that the prototype ECFF unit functions properly without clogging and there is no need to backwash the membrane, under the experimental conditions of this study. It is possible to effectively separate the nano-sized colloidal particles by adjusting the electrostatic field strength. The removal efficiency increased with the applied electrostatic field strength. A simplified transport model was utilized to assess the effect of pertinent parameters, such as surface charge, filtration rate, and applied electric field strength, on the performance of the filter. The model results agreed well with those obtained experimentally.
    關聯: Separation and Purification Technology 58(1): p.138-147
    顯示於類別:[Dept. of Environmental Engineering and Science (including master's program)] Periodical Articles

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