National Tsing Hua University Institutional Repository:ON The PREDICTION OF LIMITING FLUX IN LAMINAR ULTRAFILTRATION OF MACROMOLECULAR SOLUTIONS
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    National Tsing Hua University Institutional Repository > 歷任校長 > 沈君山 (1994-1997) > 期刊論文 >  ON The PREDICTION OF LIMITING FLUX IN LAMINAR ULTRAFILTRATION OF MACROMOLECULAR SOLUTIONS


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    题名: ON The PREDICTION OF LIMITING FLUX IN LAMINAR ULTRAFILTRATION OF MACROMOLECULAR SOLUTIONS
    作者: SHEN, J. J. S.;PROBSTEIN, R. F.
    教師: 沈君山
    日期: 1977
    出版者: American Chemical Society
    關聯: INDUSTRIAL & ENGINEERING CHEMISTRY FUNDAMENTALS, American Chemical Society, Volume 16, Issue 4, 1977, Pages 459-465
    关键词: LAMINAR
    MACROMOLECULAR
    摘要: The transport phenomenon of limiting flux in the steady, parallel plate laminar ultrafiltration of macromolecular solutions with concentration dependent transport properties is investigated. A semiempirical formula for limiting flux is developed that embodies the effect of variable diffusion coefficient in a correction, which modifies the widely used formula developed by Michaels and which is a function of the diffusion coefficient at the gel concentration. An exact numerical calculation is also carried out in which the variation in oth diffusion coefficient and viscosity with concentration is taken into account. The semiempirical formula and numerical calculation for limiting flux for a bovine serum albumin solution of known properties are shown to be in excellent agreement be tween themselves. In addition, the semiempirical formula requires minimum rheological knowledge of the solution, is easy to apply, and is demonstrated to provide a simple method for determining diffusion coefficient at the gel concentration. Predictions using the semiempirical formula are shown to be in good agreement with experimental ultrafiltration data in the literature for bovine serum albumin solutions.
    相関连結: http://pubs.acs.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/80836
    显示于类别:[沈君山 (1994-1997)] 期刊論文
    [物理系] 期刊論文

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