Dynamic optimization of batch diafiltration processes

Miroslav Fikar

doi:10.1016/j.memsci.2010.03.019

Dynamic optimization of batch diafiltration processes

2010-06-15

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DOI：10.1016/j.memsci.2010.03.019

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A comprehensive modeling approach is proposed for the dynamic simulation and operation optimization of batch diafiltration processes. We provide a unified technology for water utilization control that addresses generality versus special cases. A rigorous dynamical model of the diafiltration process with concentration-dependent rejections of solutes is developed. We determine the optimal time-dependent profile of the diluant flow for the entire process using dynamic optimization methods. The results show that optimal process operation needs not to be any of the conventional diafiltration concepts. The presented optimization technique is a useful tool for improving the performance of a membrane diafiltration process. (C) 2010 Elsevier B.V. All rights reserved.

Keyword:

Membrane filtration

Diafiltration

Mathematical modeling

Dynamic optimization

Dynamic optimization of batch diafiltration processes

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