Please use this identifier to cite or link to this item:
Title: Breaking the limitation of composition change during isothermal mass-transfer processes at the spinodal
Authors: Chung, T.S. 
Teoh, S.K. 
Keywords: Gravitational field
Mass transfer
Membrane formation
Phase inversion
Issue Date: 23-Jul-1997
Citation: Chung, T.S., Teoh, S.K. (1997-07-23). Breaking the limitation of composition change during isothermal mass-transfer processes at the spinodal. Journal of Membrane Science 130 (1-2) : 141-147. ScholarBank@NUS Repository.
Abstract: A governing equation describing the mass-transfer fluxes in practical membrane formation is derived using Markoffian and Onsager's thermodynamic systems. This equation unambiguously demonstrates that isothermal mass-transfer fluxes at the spinodal composition may not be zero for systems operated in the gravitational field. This study suggests that the mass transfer equations derived by Cheng and Gryte are a special case of the present study and are not fully capable of describing the mass transfer in practical membrane formation. Experimental results published in previous literature qualitatively support our assessment. The limitations of using Markoffian and Onsager's thermodynamic systems for membrane formation study are also reviewed. In conclusion, new thermodynamic theories for polymer solutions are needed to quantitatively describe the mass transfer fluxes in practical membrane formation.
Source Title: Journal of Membrane Science
ISSN: 03767388
DOI: 10.1016/S0376-7388(97)00019-7
Appears in Collections:Staff Publications

Show full item record
Files in This Item:
There are no files associated with this item.


checked on Sep 24, 2020


checked on Sep 17, 2020

Page view(s)

checked on Sep 21, 2020

Google ScholarTM



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.