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Revista de la Sociedad Química de México
versión impresa ISSN 0583-7693
Resumen
ESPINOZA-GOMEZ, Heriberto; WAI LIN, Shui y ROGEL-HERNANDEZ, Eduardo. Nanofiltration Membrane Pore Diameter Determination. Rev. Soc. Quím. Méx [online]. 2004, vol.48, n.1, pp.15-20. ISSN 0583-7693.
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.
Palabras llave : Membrane pore diameter determination; oligosaccharides measurements; nominal molecular weight cut-off determination.