A review of computational fluid dynamics applications in pressure-driven membrane filtration

Keir, Greg; Jegatheesan, Veeriah
June 2014
Reviews in Environmental Science & Biotechnology;Jun2014, Vol. 13 Issue 2, p183
Academic Journal
Ongoing advances in computational performance and numerics have led to computational fluid dynamics (CFD) becoming a ubiquitous modelling tool. However, CFD methods have only been adopted to simulate pressure-driven membrane filtration systems relatively recently. This paper reviews various approaches to describing the behaviour of these systems using CFD, beginning with the hydrodynamics of membrane channels, including discussion of laminar, turbulent, and transition flow regimes, with reference to the effects of osmotic pressure, concentration polarisation, and cake formation. The use of CFD in describing mass transfer through the membrane itself is then discussed, followed by some concluding comments on commercial membrane simulation packages and future research directions in membrane CFD.


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