NDLI: Quantitative estimation of internal concentration polarization in a spiral wound forward osmosis membrane module compared to a flat sheet membrane module

Content Provider	Springer Nature Link
Author	Bae, Changseong Park, Kiho Heo, Hwan Yang, Dae Ryook
Copyright Year	2017
Abstract	Internal concentration polarization (ICP) within the forward osmosis (FO) membrane affects the reduction of driving force. The magnitude of ICP in the FO membrane was investigated experimentally by measuring water flux in both spiral wound (SW) and flat-sheet (FS) modules with different draw solutions (sodium chloride, sodium sulfate, and disodium phosphate). The FO SW module always shows inferior water flux performance to the FO FS module. The water flux in the FO SW module can be easily estimated by just changing structure parameter. The estimated structure parameter in the FO SW module is 9.1325×10$^{−4}$ m, which is quite higher than 4.2×10$^{−4}$ m in the FO FS module. The increase of the structure parameter is attributed to the bending of the FO membrane in the SW module. It can be concluded that a module design such like SW type is not suitable for the FO process.
Starting Page	844
Ending Page	853
Page Count	10
File Format	PDF
ISSN	02561115
Journal	Korean Journal of Chemical Engineering
Volume Number	34
Issue Number	3
e-ISSN	19757220
Language	English
Publisher	Springer US
Publisher Date	2016-12-09
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Forward Osmosis Internal Concentration Polarization Spiral Wound Membrane Module Parameter Estimation Desalination Industrial Chemistry/Chemical Engineering Catalysis Materials Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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