Journal
AIP ADVANCES
Volume 8, Issue 3, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.5009568
Keywords
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Funding
- Consejo Nacional de Ciencia y Tecnologia (CONACyT) [CB-2006-C01-60064, CB-2010-C01-156423, CB 134267/47410235]
- Programa de Mejoramiento del Profesorado (PROMEP-SEP) [UAM-PTC-140]
- Facultad de Ciencias Quimicas of the Universidad Autonoma de Chihuahua [12]
- Red Tematica de Nanociencias y Nanotecnologia
- Red Mexicana de Materia Condensada Blanda
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We present a computational model that describes the diffusion of a hard spheres colloidal fluid through a membrane. The membrane matrix is modeled as a series of flat parallel planes with circular pores of different sizes and random spatial distribution. This model was employed to determine how the size distribution of the colloidal filtrate depends on the size distributions of both, the particles in the feed and the pores of the membrane, as well as to describe the filtration kinetics. A Brownian dynamics simulation study considering normal distributions was developed in order to determine empirical correlations between the parameters that characterize these distributions. The model can also be extended to other distributions such as log-normal. This study could, therefore, facilitate the selection of membranes for industrial or scientific filtration processes once the size distribution of the feed is known and the expected characteristics in the filtrate have been defined. (C) 2018 Author(s).
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