Determination of pore diameter from rejection measurements with a mixture of oligosaccharides |
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| Authors: | Heriberto Espinoza-Gómez Shui Wai Lin Eduardo Rogel-Hernández |
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| Institution: | (1) Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California-Tijuana, Calzada Tecnológico, 14418 Tijuana, BC, México;(2) Centro de Graduados e Investigación del Instituto Tecnológico de Tijuana, Apdo. Postal 1166, Tijuana, BC, México |
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| Abstract: | This paper present a method to determine pore diameters and effective transport through membranes using a mixture of oligosaccharides. The results are compared with the Maxwell–Stefan equations. The partition coefficients of the solutes are a function of the pore diameter according to the Ferry equation. Thus, with the pore diameter as the only unknown parameter, rejection is described and the pore diameter is obtained by a Marquardt–Levenberg optimization procedure. |
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