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  4. Pore-scale modeling and simulation of flow, transport, and adsorptive or osmotic effects in membranes: The influence of membrane microstructure
 
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2015
Journal Article
Title

Pore-scale modeling and simulation of flow, transport, and adsorptive or osmotic effects in membranes: The influence of membrane microstructure

Abstract
The selection of an appropriate membrane for a particular application is a complex and expensive process. Computational modeling can significantly aid membrane researchers and manufacturers in this process. The membrane morphology is highly influential on its efficiency within several applications, but is often overlooked in simulation. Two such applications which are very important in the provision of clean water are forward osmosis and filtration using functionalized micro/ultra/nano-filtration membranes. Herein, we investigate the effect of the membrane morphology in these two applications. First we present results of the separation process using resolved finger- and sponge-like support layers. Second, we represent the functionalization of a typical microfiltration membrane using absorptive pore walls, and illustrate the effect of different microstructures on the reactive process. Such numerical modeling will aid manufacturers in optimizing operating conditions and designing efficient membranes.
Author(s)
Calo, Victor
KAUST, Saudi Arabia
Iliev, Oleg  
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
Lakdawala, Zahra
DHI-WASY GmbH, Germany
Leonard, Katherina
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
Printsypar, Galina
KAUST, Saudi Arabia
Journal
International journal of advances in engineering sciences and applied mathematics  
DOI
10.1007/s12572-015-0132-3
Language
English
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
Keyword(s)
  • modeling and simulation

  • functionalized membranes

  • pore scale

  • osmosis

  • reactive flow

  • adsorption

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