Issue 70, 2014

Separation of binary solvent mixtures with solvent resistant nanofiltration membranes part B: process modeling

Abstract

This part B of a two paper series develops an improved model derived from the classical solution-diffusion model, specifically for solvent separation process in SRNF. Important assumptions for this process from the first part of this work were adopted and only two parameters, i.e. the Hansen solubility parameter and dielectric constant, were integrated in this model. Separation factors of DuraMem™ 150, 200, 300 and MPF-44 fitted well with this new model and that of DuraMem™ 500 and DuraMem™ 900 had a poor correlation, which was consistent with the author's hypotheses. This model provides a new approach to understand solvent separation processes in SRNF, and offers a good breakthrough point for further work in this field.

Graphical abstract: Separation of binary solvent mixtures with solvent resistant nanofiltration membranes part B: process modeling

Article information

Article type
Paper
Submitted
13 May 2014
Accepted
06 Aug 2014
First published
22 Aug 2014

RSC Adv., 2014,4, 37375-37380

Author version available

Separation of binary solvent mixtures with solvent resistant nanofiltration membranes part B: process modeling

J. Li, M. Wang, Y. Huang, B. Luo, Y. Zhang and Q. Yuan, RSC Adv., 2014, 4, 37375 DOI: 10.1039/C4RA04224G

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