Abstract:
:Osmosis is the movement of solvent across a permselective membrane induced by a solute-concentration gradient. Now in 'Forward Osmosis' it is empirically observed that the diffusion of the solute is counter to that of the solvent i.e. there is so-called "reverse salt diffusion". However it has been recently suggested, in a theoretical paper, that if allowance is made for minor deviations from ideal semi-permeability then operation in an overlooked mode of "breakthrough" osmosis would be possible and importantly it would yield relatively large rates of osmosis. A consequential prediction was that in "breakthrough mode", Pressure-Retarded Osmosis (PRO) would generate very high power densities exceeding those in the conventional mode by one order of magnitude. The practicality of this suggestion was explored and necessarily questions were then raised regarding the foundation of the Spiegler-Kedem-Katchalsky model.Arising from: Yaroshchuk, A., Sci. Rep. 7, 45168 (2017); https://doi.org/10.1038/srep45168.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Wu JJ,Field RWdoi
10.1038/s41598-019-53417-6subject
Has Abstractpub_date
2019-11-11 00:00:00pages
16464issue
1issn
2045-2322pii
10.1038/s41598-019-53417-6journal_volume
9pub_type
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