Crossflow Microfiltration Characteristics of Lard/Phosphate-Bufferd Saline Emulsion Containing PMMA Particles Using a Vibrating Membrane Filter

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  • Nakakura Hideo
    Department of Environmental Science and Engineering, Graduate School of Science and Engineering, Yamaguchi University
  • Nagata Hiroshi
    Tokuyama Corporation
  • Kawamura Asuka
    Department of Environmental Science and Engineering, Graduate School of Science and Engineering, Yamaguchi University

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  • 振動型フィルターによるPMMA粒子・ラード／リン酸緩衝液系エマルションのクロスフロー精密濾過特性
  • シンドウガタ フィルター ニ ヨル PMMA リュウシ ・ ラード/リンサン カンショウエキケイ エマルション ノ クロスフロー セイミツ ロカ トクセイ

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The crossflow microfiltration process with vibration was experimentally investigated with lard/phosphate- buffered saline emulsion containing PMMA particles. This emulsion was used as a model sample for filtration washing and concentrating mononuclear cells in bone marrow in the case of the regenerative liver therapy. The experimental results showed that the use of vibration on a filter was effective to maintain a high filtration flux of the oil in water emulsion containing solid particles. Excessive vibration resulted in a compact cake structure, leading to a decrease in filtration flux. For a quasi-steady state filtration rate, optimum operational conditions were found to exist in the range of this experiment.

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