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Multistage membrane separation processes for the continuous fractionation of solutes having similar permeabilities
Author(s) -
Noda Isao,
Gryte Carl C.
Publication year - 1981
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690270605
Subject(s) - cascade , fractionation , chemistry , chromatography , concentration polarization , membrane , reverse osmosis , concentrator , membrane technology , analytical chemistry (journal) , biochemistry , physics , optics
A new cascade configuration for the continuous membrane fractionation of solutes having similar permeabilities is proposed. In this scheme, solute selectivity is amplified by combining a concentrator and several mass exchangers (e.g., a reverse osmosis unit and hollow fiber dialyzers) to achieve a desired degree of separation. Separation efficiency of the new cascade is compared with that of a conventional counter‐current cascade.

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