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Mass transfer characteristics of cross-corrugated membranes

Lookup NU author(s): Emeritus Professor Keith Scott

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Abstract

It is known that the performance of membrane filtration depends on the coupling of mass transfer and fluid mechanics within membrane modules. The influence of cross corrugated membranes, and the orientation of flow to the angle of corrugation (90degrees, 45degrees, and 0degrees) on the mass transfer coefficients has been determined. Furthermore, the influence of viscosity, expressed in terms of Schmidt number, is also reported. It has been observed that the greatest mass transport improvement is reached with flow at an angle of 90 to the corrugated membrane. The correlation of the experimental data shows a flux enhancement, characteristic of a turbulent regime for Reynolds number conditions lower than 1500, rather than an equation for the laminar regime.

Publication metadata

Author(s): Scott K; Lobato J

Publication type: Article

Publication status: Published

Journal: Desalination

Year: 2002

Volume: 146

Issue: 1-3

Pages: 255-258

ISSN (print): 0011-9164

ISSN (electronic): 1873-4464

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/S0011-9164(02)00483-6

DOI: 10.1016/S0011-9164(02)00483-6

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